TcsmoltenSalt
CSP molten salt power tower for power generation
- PySAM.TcsmoltenSalt.default(config) TcsmoltenSalt
Load defaults for the configuration
config. Available configurations are:“MSPTAllEquityPartnershipFlip”
“MSPTLeveragedPartnershipFlip”
“MSPTMerchantPlant”
“MSPTNone”
“MSPTSaleLeaseback”
“MSPTSingleOwner”
Note
Some inputs do not have default values and may be assigned a value from the variable’s Required attribute. See variable attribute descriptions below.
- PySAM.TcsmoltenSalt.from_existing(data, optional config) TcsmoltenSalt
Share data with an existing PySAM class. If
optional configis a valid configuration name, load the module’s defaults for that configuration.
- PySAM.TcsmoltenSalt.new() TcsmoltenSalt
- PySAM.TcsmoltenSalt.wrap(ssc_data_t) TcsmoltenSalt
Load data from a PySSC object.
Warning
Do not call PySSC.data_free on the ssc_data_t provided to
wrap()
TcsmoltenSalt is a wrapper for the SSC compute module cmod_tcsmolten_salt.cpp
Functions
- class PySAM.TcsmoltenSalt.TcsmoltenSalt
This class contains all the variable information for running a simulation. Variables are grouped together in the subclasses as properties. If property assignments are the wrong type, an error is thrown.
- assign(dict) None
Assign attributes from nested dictionary, except for Outputs
nested_dict = { 'Solar Resource': { var: val, ...}, ...}
- execute(int verbosity) None
Execute simulation with verbosity level 0 (default) or 1
- export() dict
Export attributes into nested dictionary
- get_data_ptr() Pointer
Get ssc_data_t pointer
- replace(dict) None
Replace attributes from nested dictionary, except for Outputs. Unassigns all values in each Group then assigns from the input dict.
nested_dict = { 'Solar Resource': { var: val, ...}, ...}
- unassign(name) None
Unassign a value in any of the variable groups.
- value(name, optional value) None | float | dict | sequence | str
Get or set by name a value in any of the variable groups.
SolarResource Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.SolarResource
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
SolarResource_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.SolarResource_vals = { var: val, ...}
- solar_resource_data
Weather resource data in memory
Required: False for configuration with default inputs. May be required if a variable dependent on its value changes. Example: For the Detailed PV - Single Owner configuration, only Subarray 1 is enabled in the configuration defaults, so Subarray 2 inputs would not be required; if Subarray 2 is enabled, then Subarray 2 inputs is required.
- Type:
dict
- solar_resource_file
Local weather file path
Constraints: LOCAL_FILE
Required: False for configuration with default inputs. May be required if a variable dependent on its value changes. Example: For the Detailed PV - Single Owner configuration, only Subarray 1 is enabled in the configuration defaults, so Subarray 2 inputs would not be required; if Subarray 2 is enabled, then Subarray 2 inputs is required.
- Type:
str
SystemControl Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.SystemControl
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
SystemControl_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.SystemControl_vals = { var: val, ...}
- F_wc
TOU array of fractions indicating wet cooling share for hybrid cooling
Required: Required if pc_config=0
- Type:
sequence
- T_tank_cold_init
Initial cold tank temp [C]
- Type:
float
- T_tank_hot_init
Initial hot tank temp [C]
- Type:
float
- anc_elec_output
Ancillary electrical generation (PV) [kWe]
Required: False for configuration with default inputs. May be required if a variable dependent on its value changes. Example: For the Detailed PV - Single Owner configuration, only Subarray 1 is enabled in the configuration defaults, so Subarray 2 inputs would not be required; if Subarray 2 is enabled, then Subarray 2 inputs is required.
- Type:
sequence
- aux_par
Aux heater, boiler parasitic [MWe/MWcap]
Required: True
- Type:
float
- aux_par_0
Aux heater, boiler parasitic - constant coefficient
Required: True
- Type:
float
- aux_par_1
Aux heater, boiler parasitic - linear coefficient
Required: True
- Type:
float
- aux_par_2
Aux heater, boiler parasitic - quadratic coefficient
Required: True
- Type:
float
- aux_par_f
Aux heater, boiler parasitic - multiplying fraction
Required: True
- Type:
float
- bop_par
Balance of plant parasitic power fraction [MWe/MWcap]
Required: True
- Type:
float
- bop_par_0
Balance of plant parasitic power fraction - const coeff
Required: True
- Type:
float
- bop_par_1
Balance of plant parasitic power fraction - linear coeff
Required: True
- Type:
float
- bop_par_2
Balance of plant parasitic power fraction - quadratic coeff
Required: True
- Type:
float
- bop_par_f
Balance of plant parasitic power fraction - mult frac
Required: True
- Type:
float
- can_cycle_use_standby
Can the cycle use standby operation?
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- disp_csu_cost_rel
Cycle startup cost [$/MWe-cycle/start]
- Type:
float
- disp_frequency
Frequency for dispatch optimization calculations [hour]
Required: Required if is_dispatch=1
- Type:
float
- disp_horizon
Time horizon for dispatch optimization [hour]
Required: Required if is_dispatch=1
- Type:
float
- disp_hsu_cost_rel
Heater startup cost [$/MWt/start]
Required: Required if is_dispatch=1&is_parallel_htr=1
- Type:
float
- disp_inventory_incentive
Dispatch storage terminal inventory incentive multiplier
Required: False. Automatically set to 0.0 if not assigned explicitly or loaded from defaults.
- Type:
float
- disp_max_iter
Max number of dispatch optimization iterations
Required: Required if is_dispatch=1
- Type:
float
- disp_mip_gap
Dispatch optimization solution tolerance
Required: Required if is_dispatch=1
- Type:
float
- disp_pen_ramping
Dispatch cycle production change penalty [$/MWe-change]
- Type:
float
- disp_reporting
Dispatch optimization reporting level
Required: False. Automatically set to -1 if not assigned explicitly or loaded from defaults.
- Type:
float
- disp_rsu_cost_rel
Receiver startup cost [$/MWt/start]
- Type:
float
- disp_spec_bb
Dispatch optimization B&B heuristic
Required: False. Automatically set to -1 if not assigned explicitly or loaded from defaults.
- Type:
float
- disp_spec_presolve
Dispatch optimization pre-solve heuristic
Required: False. Automatically set to -1 if not assigned explicitly or loaded from defaults.
- Type:
float
- disp_spec_scaling
Dispatch optimization scaling heuristic
Required: False. Automatically set to -1 if not assigned explicitly or loaded from defaults.
- Type:
float
- disp_steps_per_hour
Time steps per hour for dispatch optimization calculations
Required: False. Automatically set to 1 if not assigned explicitly or loaded from defaults.
- Type:
float
- disp_time_weighting
Dispatch optimization future time discounting factor
Required: False. Automatically set to 0.99 if not assigned explicitly or loaded from defaults.
- Type:
float
- disp_timeout
Max dispatch optimization solve duration [s]
Required: Required if is_dispatch=1
- Type:
float
- f_turb_tou_periods
Dispatch logic for turbine load fraction
Required: True
- Type:
sequence
- is_PAR_HTR_allowed_in
User-provided is electrical heater operation allowed? [-]
Required: Required if is_dispatch_targets=1&is_parallel_htr=1
- Type:
sequence
- is_control_target_elec
control targets heat into cycle
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- Type:
0 (default)
- is_dispatch
Allow dispatch optimization?
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- is_dispatch_targets
Run solution from user-specified dispatch targets? [-]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- is_field_tracking_init
Is heliostat field tracking? (1 = true) [-]
- Type:
float
- is_hybrid
Is the system hybrid [0-1]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- is_parallel_htr
Does plant include a HTF heater parallel to solar field?
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- is_pc_sb_allowed_in
User-provided is power cycle standby allowed? [-]
Required: Required if is_dispatch_targets=1
- Type:
sequence
- is_pc_su_allowed_in
User-provided is power cycle startup allowed? [-]
Required: Required if is_dispatch_targets=1
- Type:
sequence
- is_rec_su_allowed_in
User-provided is receiver startup allowed? [-]
Required: Required if is_dispatch_targets=1
- Type:
sequence
- is_tod_pc_target_also_pc_max
Is the TOD target cycle heat input also the max cycle heat input?
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- pb_fixed_par
Fixed parasitic load - runs at all times [MWe/MWcap]
Required: True
- Type:
float
- pc_op_mode_initial
startup, 1:on, 2:standby, 3:off, 4:startup_controlled [-]
- Type:
float
- Type:
Initial cycle operation mode 0
- pc_startup_energy_remain_initial
Initial cycle startup energy remaining [kwh]
- Type:
float
- pc_startup_time_remain_init
Initial cycle startup time remaining [hr]
- Type:
float
- pv_generation_profile
Co-located PV generation for CSP to dispatch around. [kWe]
- Type:
sequence
- pv_total_installed_cost
Total installed cost of co-located PV system [$]
Required: False. Automatically set to 0.0 if not assigned explicitly or loaded from defaults.
- Type:
float
- q_dot_elec_to_PAR_HTR_in
User-provided electrical power to parallel heater [-]
Required: Required if is_dispatch_targets=1&is_parallel_htr=1
- Type:
sequence
- q_pc_max_in
User-provided max thermal power to PC [MWt]
Required: Required if is_dispatch_targets=1
- Type:
sequence
- q_pc_target_on_in
User-provided target thermal power to PC [MWt]
Required: Required if is_dispatch_targets=1
- Type:
sequence
- q_pc_target_su_in
User-provided target thermal power to PC [MWt]
Required: Required if is_dispatch_targets=1
- Type:
sequence
- q_rec_heattrace
Receiver heat trace energy consumption during startup [kWhe]
Required: False. Automatically set to 0.0 if not assigned explicitly or loaded from defaults.
- Type:
float
- q_rec_standby
Receiver standby energy consumption [kWt]
Required: False. Automatically set to 9e99 if not assigned explicitly or loaded from defaults.
- Type:
float
- rec_op_mode_initial
off, 1: startup, 2: on [-]
- Type:
float
- Type:
Initial receiver operating mode 0
- rec_startup_energy_remain_init
Initial receiver startup energy remaining [Wh]
- Type:
float
- rec_startup_time_remain_init
Initial receiver startup time remaining [hr]
- Type:
float
- sim_type
timeseries, 2: design only
Required: False. Automatically set to 1 if not assigned explicitly or loaded from defaults.
- Type:
float
- Type:
1 (default)
- time_start
Simulation start time [s]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- time_steps_per_hour
Number of simulation time steps per hour
Required: False. Automatically set to -1 if not assigned explicitly or loaded from defaults.
- Type:
float
- time_stop
Simulation stop time [s]
Required: False. Automatically set to 31536000 if not assigned explicitly or loaded from defaults.
- Type:
float
- timestep_load_fractions
Turbine load fraction for each timestep, alternative to block dispatch
- Type:
sequence
- vacuum_arrays
Allocate arrays for only the required number of steps
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- weekday_schedule
12x24 CSP operation Time-of-Use Weekday schedule
Required: True
- Type:
sequence[sequence]
- weekend_schedule
12x24 CSP operation Time-of-Use Weekend schedule
Required: True
- Type:
sequence[sequence]
FinancialModel Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.FinancialModel
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
FinancialModel_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.FinancialModel_vals = { var: val, ...}
- csp_financial_model
[1-8]
Constraints: INTEGER,MIN=0
Required: False. Automatically set to 1 if not assigned explicitly or loaded from defaults.
- Type:
float
SystemDesign Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.SystemDesign
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
SystemDesign_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.SystemDesign_vals = { var: val, ...}
- P_ref
Reference output electric power at design condition [MW]
Required: True
- Type:
float
- T_htf_cold_des
Cold HTF inlet temperature at design conditions [C]
Required: True
- Type:
float
- T_htf_hot_des
Hot HTF outlet temperature at design conditions [C]
Required: True
- Type:
float
- design_eff
Power cycle efficiency at design [none]
Required: True
- Type:
float
- dni_des
Design-point DNI [W/m2]
Required: True
- Type:
float
- sf_excess
Heliostat field multiple
Required: False. Automatically set to 1.0 if not assigned explicitly or loaded from defaults.
- Type:
float
- solarm
Solar multiple [-]
Required: True
- Type:
float
- tshours
Equivalent full-load thermal storage hours [hr]
Required: True
- Type:
float
TowerAndReceiver Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.TowerAndReceiver
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
TowerAndReceiver_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.TowerAndReceiver_vals = { var: val, ...}
- D_rec
The overall outer diameter of the receiver - in [m]
Required: True
- Type:
float
- Flow_type
see figure on SAM Receiver page
Required: True
- Type:
float
- Type:
Receiver flow pattern
- N_panels
Number of individual panels on the receiver
Constraints: INTEGER
Required: True
- Type:
float
- W_dot_pb_pump_target
Target HTF pumping power loss through cycle primary heat exchanger [MWe]
Required: Required if is_calc_pb_pump_coef=1
- Type:
float
- W_dot_rec_target
Target pumping power loss through receiver (not including riser/downcomer) [MWe]
Required: Required if is_calc_od_tube=1
- Type:
float
- cav_rec_height
Cavity receiver height - in [m]
Required: Required if receiver_type=1
- Type:
float
- cav_rec_passive_abs
Cavity receiver passive surface solar absorptance
Required: Required if receiver_type=1
- Type:
float
- cav_rec_passive_eps
Cavity receiver passive surface thermal emissivity
Required: Required if receiver_type=1
- Type:
float
- cav_rec_span
Cavity receiver span angle [deg]
Required: Required if receiver_type=1
- Type:
float
- cav_rec_width
Cavity receiver aperture width - in [m]
Required: Required if receiver_type=1
- Type:
float
- crossover_shift
Number of panels shift in receiver crossover position
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- csp_pt_rec_max_oper_frac
Maximum receiver mass flow rate fraction
Required: True
- Type:
float
- d_tube_out
The outer diameter of an individual receiver tube [mm]
Required: True
- Type:
float
- delta_flux_hrs
Hourly frequency in flux map lookup
Required: False. Automatically set to 1 if not assigned explicitly or loaded from defaults.
- Type:
float
- downc_tm_mult
Downcomer thermal mass multiplier
Required: False. Automatically set to 1.0 if not assigned explicitly or loaded from defaults.
- Type:
float
- epsilon
The emissivity of the receiver surface coating
Required: True
- Type:
float
- eta_pump
Receiver HTF pump efficiency
Required: True
- Type:
float
- f_rec_min
Minimum receiver mass flow rate turn down fraction
Required: True
- Type:
float
- field_fl_props
User defined field fluid property data [-]
Required: True
- Type:
sequence[sequence]
- flux_max
Maximum allowable flux
Required: False. Automatically set to 1000 if not assigned explicitly or loaded from defaults.
- Type:
float
- h_tower
Tower height - in [m]
Required: True
- Type:
float
- heat_trace_power
Riser/downcomer heat trace power during startup [kW/m]
Required: False. Automatically set to 500.0 if not assigned explicitly or loaded from defaults.
- Type:
float
- hl_ffact
The heat loss factor (thermal loss fudge factor)
Required: True
- Type:
float
- is_calc_od_tube
use input d_tube_output, True: calc OD tube to achieve W_dot_rec_target
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- Type:
False (default)
- is_calc_pb_pump_coef
use input pb_pump_coef, True: calc pb_pump_coef to achieve W_dot_pb_pump_target
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- Type:
False (default)
- is_calc_sm
use input solarm, True: calc solar multiple to achieve q_dot_rec_des_target
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- Type:
False (default)
- is_rec_enforce_min_startup
Always enforce minimum startup time
Required: False. Automatically set to 1 if not assigned explicitly or loaded from defaults.
- Type:
float
- is_rec_model_trans
Formulate receiver model as transient?
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- is_rec_startup_from_T_soln
Begin receiver startup from solved temperature profiles?
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- is_rec_startup_trans
Formulate receiver startup model as transient?
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- mat_tube
Receiver tube material, 2=Stainless AISI316
Required: True
- Type:
float
- min_fill_time
Startup time delay for filling the receiver/piping [hr]
Required: False. Automatically set to 0.1333 if not assigned explicitly or loaded from defaults.
- Type:
float
- min_preheat_time
Minimum time required in preheat startup stage [hr]
Required: False. Automatically set to 0.0 if not assigned explicitly or loaded from defaults.
- Type:
float
- n_cav_rec_panels
Cavity receiver number of panels
Required: Required if receiver_type=1
- Type:
float
- n_flux_days
Number of days in flux map lookup
Required: False. Automatically set to 8 if not assigned explicitly or loaded from defaults.
- Type:
float
- piping_length_const
Piping constant length [m]
Required: True
- Type:
float
- piping_length_mult
Piping length multiplier
Required: True
- Type:
float
- piping_loss_coefficient
Thermal loss per meter of piping [Wt/m2-K]
Required: True
- Type:
float
- preheat_flux
Tube absorbed solar flux during preheat [kW/m2]
Required: False. Automatically set to 50.0 if not assigned explicitly or loaded from defaults.
- Type:
float
- q_dot_rec_des_target
Target design receiver thermal power [MWe]
Required: Required if is_calc_sm=1
- Type:
float
- rec_absorptance
Receiver absorptance
Required: True
- Type:
float
- rec_clearsky_dni
User-defined clear-sky DNI [W/m2]
Required: Required if rec_clearsky_model=0
- Type:
sequence
- rec_clearsky_fraction
Weighting fraction on clear-sky DNI for receiver flow control
Required: False. Automatically set to 0.0 if not assigned explicitly or loaded from defaults.
- Type:
float
- rec_clearsky_model
None = -1, User-defined data = 0, Meinel = 1; Hottel = 2; Allen = 3; Moon = 4
Required: False. Automatically set to -1 if not assigned explicitly or loaded from defaults.
- Type:
float
- Type:
Clearsky model
- rec_height
Receiver height - in [m]
Required: True
- Type:
float
- rec_hl_perm2
Receiver design heatloss [kW/m2]
Required: True
- Type:
float
- rec_htf
Receiver HTF, 17=Salt (60% NaNO3, 40% KNO3) 10=Salt (46.5% LiF 11.5% NaF 42% KF) 50=Lookup tables
Required: True
- Type:
float
- rec_qf_delay
Energy-based receiver startup delay (fraction of rated thermal power)
Required: True
- Type:
float
- rec_su_delay
Fixed startup delay time for the receiver [hr]
Required: True
- Type:
float
- rec_tm_mult
Receiver thermal mass multiplier
Required: False. Automatically set to 1.0 if not assigned explicitly or loaded from defaults.
- Type:
float
- riser_tm_mult
Riser thermal mass multiplier
Required: False. Automatically set to 1.0 if not assigned explicitly or loaded from defaults.
- Type:
float
- startup_ramp_time
Time required to reach full flux during receiver startup [hr]
Required: False. Automatically set to 0.1333 if not assigned explicitly or loaded from defaults.
- Type:
float
- startup_target_Tdiff
Target HTF T at end of startup - steady state hot HTF temperature [C]
Required: False. Automatically set to -5.0 if not assigned explicitly or loaded from defaults.
- Type:
float
- th_riser
Riser or downcomer tube wall thickness [mm]
Required: False. Automatically set to 15.0 if not assigned explicitly or loaded from defaults.
- Type:
float
- th_tube
The wall thickness of a single receiver tube [mm]
Required: True
- Type:
float
- u_riser
Design point HTF velocity in riser [m/s]
Required: False. Automatically set to 4.0 if not assigned explicitly or loaded from defaults.
- Type:
float
HeliostatField Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.HeliostatField
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
HeliostatField_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.HeliostatField_vals = { var: val, ...}
- A_sf_in
Solar field area [m^2]
Required: field_model_type>3
- Type:
float
- N_hel
Number of heliostats - in
Required: field_model_type>3
- Type:
float
- c_atm_0
Attenuation coefficient 0
Required: False. Automatically set to 0.006789 if not assigned explicitly or loaded from defaults.
- Type:
float
- c_atm_1
Attenuation coefficient 1
Required: False. Automatically set to 0.1046 if not assigned explicitly or loaded from defaults.
- Type:
float
- c_atm_2
Attenuation coefficient 2
Required: False. Automatically set to -0.0107 if not assigned explicitly or loaded from defaults.
- Type:
float
- c_atm_3
Attenuation coefficient 3
Required: False. Automatically set to 0.002845 if not assigned explicitly or loaded from defaults.
- Type:
float
- cant_type
Heliostat canting method
Required: True
- Type:
float
- check_max_flux
Check max flux at design point
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- csp_pt_sf_fixed_land_area
Fixed land area [acre]
Required: True
- Type:
float
- csp_pt_sf_land_overhead_factor
Land overhead factor
Required: True
- Type:
float
- dens_mirror
Ratio of heliostat reflective area to profile
Required: field_model_type<4
- Type:
float
- eta_map
Field efficiency array
Required: field_model_type>2
- Type:
sequence[sequence]
- eta_map_aod_format
Use 3D AOD format field efficiency array
Info: heliostat
Required: field_model_type>2
- Type:
float
- field_model_type
0=design field and tower/receiver geometry, 1=design field, 2=user specified field, 3=user flux and eta map, pass heliostat_positions to SolarPILOT for layout, 4=user flux and eta maps, no SolarPILOT, input A_sf_in, total_land_area_before_rad_cooling_in, and N_hel
Required: True
- Type:
float
- flux_maps
Flux map intensities
Required: field_model_type>2
- Type:
sequence[sequence]
- focus_type
Heliostat focus method
Required: True
- Type:
float
- hel_stow_deploy
Stow/deploy elevation angle [deg]
Required: True
- Type:
float
- helio_active_fraction
Heliostat active fraction
Required: True
- Type:
float
- helio_aim_points
Heliostat aim point table [m]
Required: False for configuration with default inputs. May be required if a variable dependent on its value changes. Example: For the Detailed PV - Single Owner configuration, only Subarray 1 is enabled in the configuration defaults, so Subarray 2 inputs would not be required; if Subarray 2 is enabled, then Subarray 2 inputs is required.
- Type:
sequence[sequence]
- helio_height
Heliostat height [m]
Required: field_model_type<4
- Type:
float
- helio_optical_error_mrad
Heliostat optical error [mrad]
Required: True
- Type:
float
- helio_positions
Heliostat position table - in
Required: Required if field_model_type=2|field_model_type=3
- Type:
sequence[sequence]
- helio_reflectance
Heliostat reflectance
Required: True
- Type:
float
- helio_width
Heliostat width [m]
Required: field_model_type<4
- Type:
float
- interp_beta
Interpolation beta coef. [-]
Required: False. Automatically set to 1.99 if not assigned explicitly or loaded from defaults.
- Type:
float
- interp_nug
Interpolation nugget [-]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- land_bound_list
Land boundary table listing
Required: False for configuration with default inputs. May be required if a variable dependent on its value changes. Example: For the Detailed PV - Single Owner configuration, only Subarray 1 is enabled in the configuration defaults, so Subarray 2 inputs would not be required; if Subarray 2 is enabled, then Subarray 2 inputs is required.
- Type:
sequence
- land_bound_table
Land boundary table [m]
Required: False for configuration with default inputs. May be required if a variable dependent on its value changes. Example: For the Detailed PV - Single Owner configuration, only Subarray 1 is enabled in the configuration defaults, so Subarray 2 inputs would not be required; if Subarray 2 is enabled, then Subarray 2 inputs is required.
- Type:
sequence[sequence]
- land_max
Land max boundary [-ORm]
Required: False. Automatically set to 7.5 if not assigned explicitly or loaded from defaults.
- Type:
float
- land_min
Land min boundary [-ORm]
Required: False. Automatically set to 0.75 if not assigned explicitly or loaded from defaults.
- Type:
float
- n_facet_x
Number of heliostat facets - X
Required: True
- Type:
float
- n_facet_y
Number of heliostat facets - Y
Required: True
- Type:
float
- opt_algorithm
Optimization algorithm
Required: False. Automatically set to 1 if not assigned explicitly or loaded from defaults.
- Type:
float
- opt_conv_tol
Optimization convergence tolerance
Required: False. Automatically set to 0.001 if not assigned explicitly or loaded from defaults.
- Type:
float
- opt_flux_penalty
Optimization flux overage penalty
Required: True
- Type:
float
- opt_init_step
Optimization initial step size
Required: False. Automatically set to 0.05 if not assigned explicitly or loaded from defaults.
- Type:
float
- opt_max_iter
Max number iteration steps
Required: False. Automatically set to 200 if not assigned explicitly or loaded from defaults.
- Type:
float
- p_start
Heliostat startup energy [kWhe]
Required: True
- Type:
float
- p_track
Heliostat tracking energy [kWe]
Required: True
- Type:
float
- receiver_type
external (default), 1; cavity
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- Type:
0
- total_land_area_before_rad_cooling_in
Total land area not including radiative cooling - in [acre]
Required: field_model_type>3
- Type:
float
- v_wind_max
Heliostat max wind velocity [m/s]
Required: True
- Type:
float
- washing_frequency
Mirror washing frequency [none]
Required: True
- Type:
float
- water_usage_per_wash
Water usage per wash [L/m2_aper]
Required: True
- Type:
float
ParallelHeater Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.ParallelHeater
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
ParallelHeater_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.ParallelHeater_vals = { var: val, ...}
- f_q_dot_des_allowable_su
Fraction of design power allowed during startup [-]
Required: Required if is_parallel_htr=1
- Type:
float
- f_q_dot_heater_min
Minimum allowable heater output as fraction of design
Required: Required if is_parallel_htr=1
- Type:
float
- heater_efficiency
Heater electric to thermal efficiency [%]
Required: Required if is_parallel_htr=1
- Type:
float
- heater_mult
Heater multiple relative to design cycle thermal power [-]
Required: Required if is_parallel_htr=1
- Type:
float
- hrs_startup_at_max_rate
Duration of startup at max startup power [hr]
Required: Required if is_parallel_htr=1
- Type:
float
SystemCosts Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.SystemCosts
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
SystemCosts_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.SystemCosts_vals = { var: val, ...}
- allow_heater_no_dispatch_opt
Allow heater with no dispatch optimization? SAM UI relies on cmod default
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- bop_spec_cost
BOS specific cost [$/kWe]
Required: True
- Type:
float
- contingency_rate
Contingency for cost overrun [%]
Required: True
- Type:
float
- cost_sf_fixed
Solar field fixed cost [$]
Required: True
- Type:
float
- csp_pt_cost_epc_fixed
EPC fixed [$]
Required: True
- Type:
float
- csp_pt_cost_epc_per_acre
EPC cost per acre [$/acre]
Required: True
- Type:
float
- csp_pt_cost_epc_per_watt
EPC cost per watt [$/W]
Required: True
- Type:
float
- csp_pt_cost_epc_percent
EPC cost percent of direct [%]
Required: True
- Type:
float
- csp_pt_cost_plm_fixed
PLM fixed [$]
Required: True
- Type:
float
- csp_pt_cost_plm_per_watt
PLM cost per watt [$/W]
Required: True
- Type:
float
- csp_pt_cost_plm_percent
PLM cost percent of direct [%]
Required: True
- Type:
float
- fossil_spec_cost
Fossil system specific cost [$/kWe]
Required: True
- Type:
float
- heater_spec_cost
Heater specific cost [$/kWht]
Required: Required if is_parallel_htr=1
- Type:
float
- heliostat_spec_cost
Heliostat field cost [$/m2]
Required: True
- Type:
float
- land_spec_cost
Total land area cost [$/acre]
Required: True
- Type:
float
- plant_spec_cost
Power cycle specific cost [$/kWe]
Required: True
- Type:
float
- rec_cost_exp
Receiver cost scaling exponent
Required: True
- Type:
float
- rec_ref_area
Receiver reference area for cost scale
Required: True
- Type:
float
- rec_ref_cost
Receiver reference cost [$]
Required: True
- Type:
float
- sales_tax_frac
Percent of cost to which sales tax applies [%]
Required: True
- Type:
float
- site_spec_cost
Site improvement cost [$/m2]
Required: True
- Type:
float
- tes_spec_cost
Thermal energy storage cost [$/kWht]
Required: True
- Type:
float
- tower_exp
Tower cost scaling exponent
Required: True
- Type:
float
- tower_fixed_cost
Tower fixed cost [$]
Required: True
- Type:
float
ThermalStorage Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.ThermalStorage
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
ThermalStorage_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.ThermalStorage_vals = { var: val, ...}
- cold_tank_Thtr
Minimum allowable cold tank HTF temperature [C]
Required: True
- Type:
float
- cold_tank_max_heat
Rated heater capacity for cold tank heating [MW]
Required: True
- Type:
float
- h_tank
Total height of tank (height of HTF when tank is full) [m]
Required: True
- Type:
float
- h_tank_min
Minimum allowable HTF height in storage tank [m]
Required: True
- Type:
float
- hot_tank_Thtr
Minimum allowable hot tank HTF temperature [C]
Required: True
- Type:
float
- hot_tank_max_heat
Rated heater capacity for hot tank heating [MW]
Required: True
- Type:
float
- tank_pairs
Number of equivalent tank pairs
Constraints: INTEGER
Required: True
- Type:
float
- tanks_in_parallel
Tanks are in parallel, not in series, with solar field [-]
Required: True
- Type:
float
- tes_init_hot_htf_percent
Initial fraction of available volume that is hot [%]
Required: True
- Type:
float
- u_tank
Loss coefficient from the tank [W/m2-K]
Required: True
- Type:
float
RADCOOL Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.RADCOOL
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
RADCOOL_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.RADCOOL_vals = { var: val, ...}
- D_rad_tubes
Inner diameter of tubes in radiator panel [m]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- L_rad
Length of radiator panel row [m]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- L_rad_sections
Length of individual radiator panel [m]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- T_ctes_cold_design
Design value of cooled water to power block [C]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- T_ctes_cold_ini
Initial value of cold tank [C]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- T_ctes_warm_design
Design value of warm water returning from power block [C]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- T_ctes_warm_ini
Initial value of warm tank [C]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- W_rad_tubes
Center-to-center distance between tubes in radiator panel [m]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- ctes_cost
Cost of cold storage construction [$/L]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- ctes_field_fl
Fluid in radiator field. 3=liquid water. Other = Glycol. [-]
Required: False. Automatically set to 3 if not assigned explicitly or loaded from defaults.
- Type:
float
- ctes_tankpairs
Number of equivalent tank pairs [-]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- ctes_tshours
Equivalent full load storage hours [hr]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- ctes_type
Type of cold storage (2=two tank, 3= three node) [-]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- epsilon_radHX
Effectiveness of HX between radiative field and cold storage [-]
Required: False. Automatically set to .8 if not assigned explicitly or loaded from defaults.
- Type:
float
- epsilon_radbot
Emissivity of top of radiator panel bottom (facing ground) [-]
Required: False. Automatically set to .07 if not assigned explicitly or loaded from defaults.
- Type:
float
- epsilon_radgrnd
Emissivity of ground underneath radiator panel [-]
Required: False. Automatically set to .90 if not assigned explicitly or loaded from defaults.
- Type:
float
- epsilon_radtop
Emissivity of top of radiator panel [-]
Required: False. Automatically set to .95 if not assigned explicitly or loaded from defaults.
- Type:
float
- f_ctes_warm_ini
Initial fraction of avail. volume that is warm [-]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- h_ctes_tank
Total height of cold storage tank when full [m]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- h_ctes_tank_min
Minimum allowable water height in storage tank [m]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- k_panel
Thermal conductivity of radiator panel material [W/m-K]
Required: False. Automatically set to 235 if not assigned explicitly or loaded from defaults.
- Type:
float
- m_dot_radpanel
Mass flow rate through single radiator panel [kg/sec]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- n_rad_tubes
Number of parallel tubes in single radiator panel [-]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- rad_multiplier
Ratio of radiator field area to solar aperture area [-]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- rad_pressuredrop
Average pressure drop through a radiative panel & distribution [kPa]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- radfluid_vol_ratio
Ratio of fluid in distribution to fluid in panels [-]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- radiator_fluidcost
Cost of circulating fluid in radiative panels [$/L]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- radiator_installcost
Installation cost of radiative panels [$/m^2]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- radiator_unitcost
Cost of radiative panels [$/m^2]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- th_rad_panel
Thickness of radiator panel [m]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- u_ctes_tank
Loss coefficient from cold storage tank [W/m2-K]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
PowerCycle Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.PowerCycle
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
PowerCycle_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.PowerCycle_vals = { var: val, ...}
- cycle_cutoff_frac
Minimum turbine operation fraction before shutdown
Required: True
- Type:
float
- cycle_max_frac
Maximum turbine over design operation fraction
Required: True
- Type:
float
- pb_pump_coef
Pumping power to move 1kg of HTF through PB loop [kW/kg]
Required: True
- Type:
float
- pc_config
PC configuration 0=Steam Rankine (224), 1=user defined
Constraints: INTEGER
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- q_sby_frac
Fraction of thermal power required for standby
Required: True
- Type:
float
- startup_frac
Fraction of design thermal power needed for startup [none]
Required: True
- Type:
float
- startup_time
Time needed for power block startup [hr]
Required: True
- Type:
float
RankineCycle Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.RankineCycle
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
RankineCycle_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.RankineCycle_vals = { var: val, ...}
- CT
1=evaporative, 2=air, 3=hybrid
Required: Required if pc_config=0
- Type:
float
- Type:
Condenser type
- P_cond_min
Minimum condenser pressure [inHg]
Required: Required if pc_config=0
- Type:
float
- P_cond_ratio
Condenser pressure ratio
Required: Required if pc_config=0
- Type:
float
- T_ITD_des
ITD at design for dry system [C]
Required: Required if pc_config=0
- Type:
float
- T_amb_des
Reference ambient temperature at design point [C]
Required: Required if pc_config=0
- Type:
float
- T_approach
Cooling tower approach temperature [C]
Required: Required if pc_config=0
- Type:
float
- dT_cw_ref
Reference condenser cooling water inlet/outlet temperature difference [C]
Required: Required if pc_config=0
- Type:
float
- n_pl_inc
Number of part-load increments for the heat rejection system [none]
Constraints: INTEGER
Required: Required if pc_config=0
- Type:
float
- pb_bd_frac
Power block blowdown steam fraction
Required: Required if pc_config=0
- Type:
float
- tech_type
Turbine inlet pressure control 1=Fixed, 3=Sliding
Required: Required if pc_config=0
- Type:
float
UserDefinedPowerCycle Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.UserDefinedPowerCycle
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
UserDefinedPowerCycle_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.UserDefinedPowerCycle_vals = { var: val, ...}
- ud_f_W_dot_cool_des
Percent of user-defined power cycle design gross output consumed by cooling [%]
Required: Required if pc_config=1
- Type:
float
- ud_ind_od
Off design user-defined power cycle performance as function of T_htf, m_dot_htf [ND], and T_amb
Required: Required if pc_config=1
- Type:
sequence[sequence]
- ud_is_sco2_regr
(default) simple max htf mass flow correction; 1: sco2 heuristic regression; 2: no correction
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- Type:
0
- ud_m_dot_water_cool_des
Mass flow rate of water required at user-defined power cycle design point [kg/s]
Required: Required if pc_config=1
- Type:
float
- use_net_cycle_output_as_capacity
default, use net calculation including system parasitic, True: for UDPC only, set as cycle output less cooling power
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- Type:
False
TimeOfDeliveryFactors Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.TimeOfDeliveryFactors
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
TimeOfDeliveryFactors_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.TimeOfDeliveryFactors_vals = { var: val, ...}
- dispatch_factors_ts
Dispatch payment factor array
Required: Required if ppa_multiplier_model=1&csp_financial_model<5&is_dispatch=1&sim_type=1
- Type:
sequence
- dispatch_sched_weekday
PPA pricing weekday schedule, 12x24
Required: Required if ppa_multiplier_model=0&csp_financial_model<5&is_dispatch=1&sim_type=1
- Type:
sequence[sequence]
- dispatch_sched_weekend
PPA pricing weekend schedule, 12x24
Required: Required if ppa_multiplier_model=0&csp_financial_model<5&is_dispatch=1&sim_type=1
- Type:
sequence[sequence]
- dispatch_tod_factors
TOD factors for periods 1 through 9
Info: We added this array input after SAM 2022.12.21 to replace the functionality of former single value inputs dispatch_factor1 through dispatch_factor9
Required: Required if ppa_multiplier_model=0&csp_financial_model<5&is_dispatch=1&sim_type=1
- Type:
sequence
- is_timestep_load_fractions
Use turbine load fraction for each timestep instead of block dispatch?
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- ppa_multiplier_model
dispatch factors dispatch_factorX, 1: hourly multipliers dispatch_factors_ts [0/1]
Options: 0=diurnal,1=timestep
Constraints: INTEGER,MIN=0
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- Type:
PPA multiplier model 0
- start_day_of_year
Start day of year for TOD periods [0..6]
Options: 0=Monday, 6=Sunday
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
FinancialSolutionMode Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.FinancialSolutionMode
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
FinancialSolutionMode_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.FinancialSolutionMode_vals = { var: val, ...}
- ppa_soln_mode
PPA solution mode (0=Specify IRR target, 1=Specify PPA price)
Required: Required if sim_type=1&ppa_multiplier_model=0&csp_financial_model<5&is_dispatch=1&sim_type=1
- Type:
float
ElectricityRates Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.ElectricityRates
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
ElectricityRates_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.ElectricityRates_vals = { var: val, ...}
- en_electricity_rates
Enable electricity rates for grid purchase [0/1]
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
Revenue Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.Revenue
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
Revenue_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.Revenue_vals = { var: val, ...}
- mp_energy_market_revenue
Energy market revenue input
Info: Lifetime x 2[Cleared Capacity(MW),Price($/MWh)]
Required: Required if csp_financial_model=6&is_dispatch=1&sim_type=1
- Type:
sequence[sequence]
- ppa_price_input
PPA prices - yearly [$/kWh]
Required: Required if ppa_multiplier_model=0&csp_financial_model<5&is_dispatch=1&sim_type=1
- Type:
sequence
FinancialParameters Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.FinancialParameters
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
FinancialParameters_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.FinancialParameters_vals = { var: val, ...}
- const_per_interest_rate1
Interest rate, loan 1 [%]
Required: Required if is_hybrid=0
- Type:
float
- const_per_interest_rate2
Interest rate, loan 2 [%]
Required: Required if is_hybrid=0
- Type:
float
- const_per_interest_rate3
Interest rate, loan 3 [%]
Required: Required if is_hybrid=0
- Type:
float
- const_per_interest_rate4
Interest rate, loan 4 [%]
Required: Required if is_hybrid=0
- Type:
float
- const_per_interest_rate5
Interest rate, loan 5 [%]
Required: Required if is_hybrid=0
- Type:
float
- const_per_months1
Months prior to operation, loan 1
Required: Required if is_hybrid=0
- Type:
float
- const_per_months2
Months prior to operation, loan 2
Required: Required if is_hybrid=0
- Type:
float
- const_per_months3
Months prior to operation, loan 3
Required: Required if is_hybrid=0
- Type:
float
- const_per_months4
Months prior to operation, loan 4
Required: Required if is_hybrid=0
- Type:
float
- const_per_months5
Months prior to operation, loan 5
Required: Required if is_hybrid=0
- Type:
float
- const_per_percent1
Percent of total installed cost, loan 1 [%]
Required: Required if is_hybrid=0
- Type:
float
- const_per_percent2
Percent of total installed cost, loan 2 [%]
Required: Required if is_hybrid=0
- Type:
float
- const_per_percent3
Percent of total installed cost, loan 3 [%]
Required: Required if is_hybrid=0
- Type:
float
- const_per_percent4
Percent of total installed cost, loan 4 [%]
Required: Required if is_hybrid=0
- Type:
float
- const_per_percent5
Percent of total installed cost, loan 5 [%]
Required: Required if is_hybrid=0
- Type:
float
- const_per_upfront_rate1
Upfront fee on principal, loan 1 [%]
Required: Required if is_hybrid=0
- Type:
float
- const_per_upfront_rate2
Upfront fee on principal, loan 2 [%]
Required: Required if is_hybrid=0
- Type:
float
- const_per_upfront_rate3
Upfront fee on principal, loan 3 [%]
Required: Required if is_hybrid=0
- Type:
float
- const_per_upfront_rate4
Upfront fee on principal, loan 4 [%]
Required: Required if is_hybrid=0
- Type:
float
- const_per_upfront_rate5
Upfront fee on principal, loan 5 [%]
Required: Required if is_hybrid=0
- Type:
float
- sales_tax_rate
Sales tax rate [%]
Required: True
- Type:
float
Deprecated Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.Deprecated
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
Deprecated_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.Deprecated_vals = { var: val, ...}
- P_boil
Boiler operating pressure [bar]
- Type:
float
- csp_pt_tes_init_hot_htf_percent
Initial fraction of available volume that is hot [%]
- Type:
float
- disp_csu_cost
Cycle startup cost [$]
- Type:
float
- disp_pen_delta_w
Dispatch cycle production change penalty [$/kWe-change]
- Type:
float
- disp_rsu_cost
Receiver startup cost [$]
- Type:
float
- piping_loss
Thermal loss per meter of piping [Wt/m]
- Type:
float
AdjustmentFactors Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.AdjustmentFactors
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
AdjustmentFactors_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.AdjustmentFactors_vals = { var: val, ...}
- adjust_constant
Constant loss adjustment [%]
Info: ‘adjust’ and ‘constant’ separated by _ instead of : after SAM 2022.12.21
Constraints: MAX=100
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- adjust_en_periods
Enable period-based adjustment factors [0/1]
Info: ‘adjust’ and ‘en_periods’ separated by _ instead of : after SAM 2022.12.21
Constraints: BOOLEAN
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- adjust_en_timeindex
Enable lifetime adjustment factors [0/1]
Info: ‘adjust’ and ‘en_timeindex’ separated by _ instead of : after SAM 2022.12.21
Constraints: BOOLEAN
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- adjust_periods
Period-based adjustment factors [%]
Info: Syntax: n x 3 matrix [ start, end, loss ]; Version upgrade: ‘adjust’ and ‘periods’ separated by _ instead of : after SAM 2022.12.21
Constraints: COLS=3
Required: Required if adjust_en_periods=1
- Type:
sequence[sequence]
- adjust_timeindex
Lifetime adjustment factors [%]
Info: ‘adjust’ and ‘timeindex’ separated by _ instead of : after SAM 2022.12.21
Required: Required if adjust_en_timeindex=1
- Type:
sequence
- sf_adjust_constant
SF Constant loss adjustment [%]
Info: ‘sf_adjust’ and ‘constant’ separated by _ instead of : after SAM 2022.12.21
Constraints: MAX=100
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- sf_adjust_en_periods
Enable period-based adjustment factors [0/1]
Constraints: BOOLEAN
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- sf_adjust_en_timeindex
Enable lifetime adjustment factors [0/1]
Constraints: BOOLEAN
Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.
- Type:
float
- sf_adjust_periods
SF Period-based Adjustment Factors [%]
Info: n x 3 matrix [ start, end, loss ]
Constraints: COLS=3
Required: Required if sf_adjust_en_periods=1
- Type:
sequence[sequence]
- sf_adjust_timeindex
SF Lifetime Adjustment Factors [%]
Required: Required if sf_adjust_en_timeindex=1
- Type:
sequence
Outputs Group
- class PySAM.TcsmoltenSalt.TcsmoltenSalt.Outputs
- assign(dict) None
Assign attributes from dictionary, overwriting but not removing values.
Outputs_vals = { var: val, ...}
- export() dict
Export attributes into dictionary.
- replace(dict) None
Replace attributes from dictionary, unassigning values not present in input
dict.Outputs_vals = { var: val, ...}
- A_radfield
Radiator field surface area [m^2]
- Type:
float
- A_rec
Receiver area - planar [m2]
- Type:
float
- A_sf
Solar field area [m^2]
- Type:
float
- D_rec_calc
The overall outer diameter of the receiver - out [m]
- Type:
float
- E_heater_su_des
Heater startup energy [MWht]
- Type:
float
- L_tower_piping_calc
Tower piping length [m]
- Type:
float
- N_hel_calc
Number of heliostats - out
- Type:
float
- P_cond
PC condensing pressure [Pa]
- Type:
sequence
- P_cond_iter_err
PC condenser pressure iteration error
- Type:
sequence
- P_cooling_tower_tot
Parasitic power condenser operation [MWe]
- Type:
sequence
- P_cycle
PC electrical power output, gross [MWe]
- Type:
sequence
- P_fixed
Parasitic power fixed load [MWe]
- Type:
sequence
- P_out_net
System net electrical power [MWe]
- Type:
sequence
- P_plant_balance_tot
Parasitic power generation-dependent load [MWe]
- Type:
sequence
- P_rec_heattrace
Receiver heat trace parasitic load [MWe]
- Type:
sequence
- P_tower_pump
Receiver and tower HTF pumping power [MWe]
- Type:
sequence
- Q_dot_HTF_ND_des_calc
UDPC calculated normalized heat input at design
- Type:
float
- Q_tes_des
TES design capacity [MWht]
- Type:
float
- Q_thermal
Receiver thermal power to HTF less piping loss [MWt]
- Type:
sequence
- Q_thermal_ss
Receiver thermal power to HTF less piping loss (steady state) [MWt]
- Type:
sequence
- Q_thermal_ss_csky
Receiver thermal power to HTF less piping loss under clear-sky conditions (steady state) [MWt]
- Type:
sequence
- T_amb_high_calc
UDPC high level ambient temperature [C]
- Type:
float
- T_amb_low_calc
UDPC low level ambient temperature [C]
- Type:
float
- T_amb_ref_calc
UDPC reference ambient temperature [C]
- Type:
float
- T_cold
Cold storage cold temperature [C]
- Type:
sequence
- T_cond_out
PC condenser water outlet temperature [C]
- Type:
sequence
- T_htf_heater_in
Parallel heater HTF inlet temperature [C]
- Type:
sequence
- T_htf_heater_out
Parallel heater HTF outlet temperature [C]
- Type:
sequence
- T_htf_high_calc
UDPC high level HTF temperature [C]
- Type:
float
- T_htf_low_calc
UDPC low level HTF temperature [C]
- Type:
float
- T_htf_ref_calc
UDPC reference HTF temperature [C]
- Type:
float
- T_panel_out_max
Receiver panel maximum HTF outlet temperature during timestep [C]
- Type:
sequence
- T_pc_in
PC HTF inlet temperature [C]
- Type:
sequence
- T_pc_out
PC HTF outlet temperature [C]
- Type:
sequence
- T_rad_out
Radiator outlet temperature [C]
- Type:
sequence
- T_rec_in
Receiver HTF inlet temperature [C]
- Type:
sequence
- T_rec_out
Receiver HTF outlet temperature [C]
- Type:
sequence
- T_rec_out_end
Receiver HTF outlet temperature at end of timestep [C]
- Type:
sequence
- T_rec_out_max
Receiver maximum HTF outlet temperature during timestep [C]
- Type:
sequence
- T_tes_cold
TES cold temperature [C]
- Type:
sequence
- T_tes_hot
TES hot temperature [C]
- Type:
sequence
- T_wall_downcomer
Receiver downcomer wall temperature at end of timestep [C]
- Type:
sequence
- T_wall_rec_inlet
Receiver inlet panel wall temperature at end of timestep [C]
- Type:
sequence
- T_wall_rec_outlet
Receiver outlet panel wall temperature at end of timestep [C]
- Type:
sequence
- T_wall_riser
Receiver riser wall temperature at end of timestep [C]
- Type:
sequence
- T_warm
Cold storage warm tank temperature [C]
- Type:
sequence
- V_tes_htf_avail_des
TES volume of HTF available for heat transfer [m3]
- Type:
float
- V_tes_htf_total_des
TES total HTF volume [m3]
- Type:
float
- W_dot_bop_design
BOP parasitic at design [MWe]
- Type:
float
- W_dot_col_tracking_des
Collector tracking power at design [MWe]
- Type:
float
- W_dot_cooling_ND_des_calc
UPPC calculated normalized cooling power at design
- Type:
float
- W_dot_cycle_cooling_des
PC cooling power at design [MWe]
- Type:
float
- W_dot_cycle_pump_des
PC HTF pump power at design [MWe]
- Type:
float
- W_dot_fixed
Fixed parasitic at design [MWe]
- Type:
float
- W_dot_gross_ND_des_calc
UDPC calculated normalized gross power at design
- Type:
float
- W_dot_heater
Parallel heater electricity consumption [MWe]
- Type:
sequence
- W_dot_heater_des
Heater electricity consumption at design [MWe]
- Type:
float
- W_dot_rec_pump_des
Receiver estimated pump power at design [MWe]
- Type:
float
Receiver estimated pump power due to rec tubes at design [MWe]
- Type:
float
Receiver estimated pump power due to tower height at design [MWe]
- Type:
float
- all_hours_electricity_sales
Electricity sales [$]
- Type:
float
- all_hours_revenue_fraction
Fraction of potential annual revenue (based on system capacity) [-]
- Type:
float
- annual_E_tower_pump
Annual tower pumping power [MWhe]
- Type:
float
- annual_W_cooling_tower
Total of condenser operation parasitic [kWhe]
- Type:
float
- annual_W_cycle_gross
Electrical source - power cycle gross output [kWhe]
- Type:
float
- annual_energy
Annual net electrical energy w/ avail. derate [kWhe]
- Type:
float
- annual_energy_distribution_time
Annual energy production as function of time [kW]
- Type:
sequence[sequence]
- annual_eta_rec_th
Annual receiver thermal efficiency ignoring rec reflective loss
- Type:
float
- annual_eta_rec_th_incl_refl
Annual receiver thermal efficiency including reflective loss
- Type:
float
- annual_q_defocus_est
Annual defocus loss estimate [MWht]
- Type:
float
- annual_q_piping_loss
Annual tower piping losses [MWht]
- Type:
float
- annual_q_rec_htf
Annual receiver power delivered to HTF [MWht]
- Type:
float
- annual_q_rec_inc
Annual receiver incident thermal power after reflective and defocus losses [MWht]
- Type:
float
- annual_q_rec_loss
Annual receiver convective and radiative losses [MWht]
- Type:
float
- annual_q_rec_startup
Annual receiver startup energy [MWht]
- Type:
float
- annual_total_water_use
Total annual water usage, cycle + mirror washing [m3]
- Type:
float
- average_attenuation
Average solar field attenuation [%]
- Type:
float
- avg_suboptimal_rel_mip_gap
Average suboptimal relative MIP gap [%]
- Type:
float
- beam
Resource beam normal irradiance [W/m2]
- Type:
sequence
- capacity_factor
Capacity factor [%]
- Type:
float
- capacity_factor_highest_1000_ppas
Capacity factor at 1000 highest ppa timesteps [-]
- Type:
float
- capacity_factor_highest_2000_ppas
Capacity factor at 2000 highest ppa timesteps [-]
- Type:
float
- capacity_factor_warmest_100_Tambs
Capacity factor at 100 warmest ambient temperatures [-]
- Type:
float
- cav_panel_width
Cavity panel width [m]
- Type:
float
- cav_radius
Cavity radius [m]
- Type:
float
- cav_rec_area
Cavity receiver area [m2]
- Type:
float
- cav_rec_height_calc
Cavity receiver height - out [m]
- Type:
float
- cav_rec_width_calc
Cavity receiver aperture width - out [m]
- Type:
float
- clearsky
Predicted clear-sky beam normal irradiance [W/m2]
- Type:
sequence
- const_per_interest1
Interest cost, loan 1 [$]
- Type:
float
- const_per_interest2
Interest cost, loan 2 [$]
- Type:
float
- const_per_interest3
Interest cost, loan 3 [$]
- Type:
float
- const_per_interest4
Interest cost, loan 4 [$]
- Type:
float
- const_per_interest5
Interest cost, loan 5 [$]
- Type:
float
- const_per_interest_total
Total interest costs, all loans [$]
- Type:
float
- const_per_percent_total
Total percent of installed costs, all loans [%]
- Type:
float
- const_per_principal1
Principal, loan 1 [$]
- Type:
float
- const_per_principal2
Principal, loan 2 [$]
- Type:
float
- const_per_principal3
Principal, loan 3 [$]
- Type:
float
- const_per_principal4
Principal, loan 4 [$]
- Type:
float
- const_per_principal5
Principal, loan 5 [$]
- Type:
float
- const_per_principal_total
Total principal, all loans [$]
- Type:
float
- const_per_total1
Total financing cost, loan 1 [$]
- Type:
float
- const_per_total2
Total financing cost, loan 2 [$]
- Type:
float
- const_per_total3
Total financing cost, loan 3 [$]
- Type:
float
- const_per_total4
Total financing cost, loan 4 [$]
- Type:
float
- const_per_total5
Total financing cost, loan 5 [$]
- Type:
float
- construction_financing_cost
Total construction financing cost [$]
- Type:
float
- conversion_factor
Gross to net conversion factor [%]
- Type:
float
- cp_battery_nameplate
Battery nameplate [MWe]
- Type:
float
- cp_system_nameplate
System capacity for capacity payments [MWe]
- Type:
float
- csp_pt_cost_bop
BOP cost [$]
- Type:
float
- csp_pt_cost_contingency
Contingency cost [$]
- Type:
float
- csp_pt_cost_epc_total
EPC and owner cost [$]
- Type:
float
- csp_pt_cost_fossil
Fossil backup cost [$]
- Type:
float
- csp_pt_cost_heliostats
Heliostat cost [$]
- Type:
float
- csp_pt_cost_installed_per_capacity
Estimated installed cost per cap [$]
- Type:
float
- csp_pt_cost_plm_total
Total land cost [$]
- Type:
float
- csp_pt_cost_power_block
Power cycle cost [$]
- Type:
float
- csp_pt_cost_rad_field
Radiative field cost$
- Type:
float
- csp_pt_cost_rad_fluid
Radiative fluid cost$
- Type:
float
- csp_pt_cost_rad_storage
Cold storage cost$
- Type:
float
- csp_pt_cost_receiver
Receiver cost [$]
- Type:
float
- csp_pt_cost_sales_tax_total
Sales tax cost [$]
- Type:
float
- csp_pt_cost_site_improvements
Site improvement cost [$]
- Type:
float
- csp_pt_cost_storage
TES cost [$]
- Type:
float
- csp_pt_cost_tower
Tower cost [$]
- Type:
float
- cycle_Tdb_table
Normalized cycle efficiency and condenser power vs. ambient temperature
- Type:
sequence[sequence]
- cycle_eff_load_table
Cycle efficiency vs. thermal load
- Type:
sequence[sequence]
- cycle_htf_pump_power
Cycle HTF pump power [MWe]
- Type:
sequence
- d_tank_tes
TES tank diameter [m]
- Type:
float
- defocus
Field optical focus fraction
- Type:
sequence
- dens_store_htf_at_T_ave
TES density of HTF at avg temps [kg/m3]
- Type:
float
- disp_iter_ann
Annual sum of dispatch solver iterations
- Type:
float
- disp_obj_relax
Dispatch objective function - relaxed max
- Type:
sequence
- disp_objective
Dispatch objective function value
- Type:
sequence
- disp_objective_ann
Annual sum of dispatch objective function value
- Type:
float
- disp_pceff_expected
Dispatch expected power cycle efficiency adj.
- Type:
sequence
- disp_presolve_nconstr
Dispatch number of constraints in problem
- Type:
sequence
- disp_presolve_nconstr_ann
Annual sum of dispatch problem constraint count
- Type:
float
- disp_presolve_nvar
Dispatch number of variables in problem
- Type:
sequence
- disp_presolve_nvar_ann
Annual sum of dispatch problem variable count
- Type:
float
- disp_pv_expected
Dispatch expected PV generation [MWe]
- Type:
sequence
- disp_qeh_expected
Dispatch expected electric heater thermal power [MWt]
- Type:
sequence
- disp_qpbsu_expected
Dispatch expected power cycle startup energy [MWht]
- Type:
sequence
- disp_qsf_expected
Dispatch expected solar field available energy [MWt]
- Type:
sequence
- disp_qsfprod_expected
Dispatch expected solar field generation [MWt]
- Type:
sequence
- disp_qsfsu_expected
Dispatch expected solar field startup energy [MWt]
- Type:
sequence
- disp_rel_mip_gap
Dispatch relative MIP gap
- Type:
sequence
- disp_rev_expected
Dispatch expected revenue factor
- Type:
sequence
- disp_solve_iter
Dispatch iterations count
- Type:
sequence
- disp_solve_state
Dispatch solver state
- Type:
sequence
- disp_solve_state_ann
Annual sum of dispatch solve state
- Type:
float
- disp_solve_time
Dispatch solver time [sec]
- Type:
sequence
- disp_solve_time_ann
Annual sum of dispatch solver time
- Type:
float
- disp_subopt_flag
Dispatch suboptimal solution flag
- Type:
sequence
- disp_tes_expected
Dispatch expected TES charge level [MWht]
- Type:
sequence
- disp_thermeff_expected
Dispatch expected SF thermal efficiency adj.
- Type:
sequence
- disp_wparasitic_expected
Dispatch expected parasitic power generation [MWe]
- Type:
sequence
- disp_wpb_expected
Dispatch expected power generation [MWe]
- Type:
sequence
- e_ch_tes
TES charge state [MWht]
- Type:
sequence
- eta
PC efficiency, gross
- Type:
sequence
- eta_field
Field optical efficiency
- Type:
sequence
- eta_map_out
Solar field optical efficiencies
- Type:
sequence[sequence]
- eta_rec_thermal_des
Receiver estimated thermal efficiency at design
- Type:
float
- eta_therm
Receiver thermal efficiency
- Type:
sequence
- ext_rec_area
External receiver area - out [m2]
- Type:
float
- ext_rec_aspect
External receiver aspect ratio - out
- Type:
float
- flux_maps_for_import
Flux map for import
- Type:
sequence[sequence]
- flux_maps_out
Flux map intensities
- Type:
sequence[sequence]
- gen
System net electrical power w/ avail. derate [kWe]
- Type:
sequence
- h_rec_input_to_cost_model
Receiver height for cost model selected from receiver type [m]
- Type:
float
- h_tower_calc
Tower height - out [m]
- Type:
float
- heater_cost
Heater cost [$]
- Type:
float
- helio_positions_calc
Heliostat position table - out
- Type:
sequence[sequence]
- heliostat_area
Active area of heliostat [m^2]
- Type:
float
- hot_hours_electricity_sales
Electricity sales during hours hotter than 33 C [$]
- Type:
float
- hot_hours_revenue_fraction
Fraction of potential revenue (based on system capacity) earned during hours hotter than 33 C [-]
- Type:
float
- hot_tank_htf_percent_final
Final percent fill of available hot tank mass [%]
- Type:
sequence
- is_PAR_HTR_allowed
Is parallel electric heater operation allowed
- Type:
sequence
- is_field_tracking_final
Final heliostat field operation is tracking? (1 = true) [-]
- Type:
sequence
- is_pc_sb_allowed
Is power cycle standby allowed
- Type:
sequence
- is_pc_su_allowed
Is power cycle startup allowed
- Type:
sequence
- is_rec_su_allowed
Is receiver startup allowed
- Type:
sequence
- kwh_per_kw
First year kWh/kW [kWh/kW]
- Type:
float
- land_area_base_calc
Land area occupied by heliostats [acre]
- Type:
float
- land_max_abs
Max distance from tower to heliostat [m]
- Type:
float
- land_min_abs
Min distance from tower to heliostat [m]
- Type:
float
- m_cold
Cold storage cold tank mass [kg]
- Type:
sequence
- m_dot_balance
Relative mass flow balance error
- Type:
sequence
- m_dot_cr_to_tes_hot
field to hot TES [kg/s]
- Type:
sequence
- Type:
Mass flow
- m_dot_cycle_to_field
cycle to field [kg/s]
- Type:
sequence
- Type:
Mass flow
- m_dot_field_to_cycle
field to cycle [kg/s]
- Type:
sequence
- Type:
Mass flow
- m_dot_htf_ND_high_calc
UDPC high level normalized mass flow rate
- Type:
float
- m_dot_htf_ND_low_calc
UDPC low level normalized mass flow rate
- Type:
float
- m_dot_htf_ND_ref_calc
UDPC reference normalized mass flow rate
- Type:
float
- m_dot_htf_cycle_des
PC HTF mass flow rate at design [kg/s]
- Type:
float
- m_dot_htf_heater
Parallel heater HTF mass flow rate [kg/s]
- Type:
sequence
- m_dot_htf_rec_des
Receiver HTF mass flow rate at design [kg/s]
- Type:
float
- m_dot_htf_rec_max
Receiver max HTF mass flow rate [kg/s]
- Type:
float
- m_dot_pc
PC HTF mass flow rate [kg/s]
- Type:
sequence
- m_dot_pc_to_tes_cold
cycle to cold TES [kg/s]
- Type:
sequence
- Type:
Mass flow
- m_dot_rec
Receiver mass flow rate [kg/s]
- Type:
sequence
- m_dot_tes_cold_out
TES cold out [kg/s]
- Type:
sequence
- Type:
Mass flow
- m_dot_tes_hot_out
TES hot out [kg/s]
- Type:
sequence
- Type:
Mass flow
- m_dot_water_ND_des_calc
UDPC calculated water use at design
- Type:
float
- m_dot_water_pc
PC water consumption, makeup + cooling [kg/s]
- Type:
sequence
- m_warm
Cold storage warm tank mass [kg]
- Type:
sequence
- mass_tes_cold
TES cold tank mass (end) [kg]
- Type:
sequence
- mass_tes_hot
TES hot tank mass (end) [kg]
- Type:
sequence
- n_T_amb_pars_calc
UDPC number of ambient temp parametric values
- Type:
float
- n_T_htf_pars_calc
UDPC number of HTF parametric values
- Type:
float
- n_m_dot_pars_calc
UDPC number of mass flow parametric values
- Type:
float
- n_op_modes
Operating modes in reporting timestep
- Type:
sequence
- nameplate
Nameplate capacity [MWe]
- Type:
float
- od_tube_calc
Receiver tube outer diameter - out [mm]
- Type:
float
- op_mode_1
1st operating mode
- Type:
sequence
- op_mode_2
2nd operating mode, if applicable
- Type:
sequence
- op_mode_3
3rd operating mode, if applicable
- Type:
sequence
- operating_modes_a
First 3 operating modes tried
- Type:
sequence
- operating_modes_b
Next 3 operating modes tried
- Type:
sequence
- operating_modes_c
Final 3 operating modes tried
- Type:
sequence
- pc_op_mode_final
startup, 1:on, 2:standby, 3:off, 4:startup_controlled [-]
- Type:
sequence
- Type:
Final cycle operation mode 0
- pc_startup_energy_remain_final
Final cycle startup energy remaining [kwh]
- Type:
sequence
- pc_startup_time_remain_final
Final cycle startup time remaining [hr]
- Type:
sequence
- pparasi
Field tracking power [MWe]
- Type:
sequence
- pricing_mult
PPA price multiplier
- Type:
sequence
- q_balance
Relative energy balance error
- Type:
sequence
- q_ch_tes
TES charge thermal power [MWt]
- Type:
sequence
- q_dc_tes
TES discharge thermal power [MWt]
- Type:
sequence
- q_dot_cycle_des
PC thermal input at design [MWt]
- Type:
float
- q_dot_elec_to_PAR_HTR
Electric heater thermal power target [MWt]
- Type:
sequence
- q_dot_est_cr_on
Estimated receiver thermal power TO HTF [MWt]
- Type:
sequence
- q_dot_est_cr_su
Estimated receiver startup thermal power [MWt]
- Type:
sequence
- q_dot_est_tes_ch
Estimated max TES charge thermal power [MWt]
- Type:
sequence
- q_dot_est_tes_dc
Estimated max TES discharge thermal power [MWt]
- Type:
sequence
- q_dot_heater_des
Heater design thermal power [MWt]
- Type:
float
- q_dot_heater_startup
Parallel heater thermal power consumed during startup [MWt]
- Type:
sequence
- q_dot_heater_to_htf
Parallel heater thermal power to HTF [MWt]
- Type:
sequence
- q_dot_loss_tes_des
TES thermal loss at design [MWt]
- Type:
float
- q_dot_pc_max
Max thermal power to PC [MWt]
- Type:
sequence
- q_dot_pc_min
Thermal power for PC min operation [MWt]
- Type:
sequence
- q_dot_pc_sb
Thermal power for PC standby [MWt]
- Type:
sequence
- q_dot_pc_startup
PC startup thermal power [MWt]
- Type:
sequence
- q_dot_pc_target
Target thermal power to PC [MWt]
- Type:
sequence
- q_dot_piping_loss_des
Receiver estimated piping loss at design [MWt]
- Type:
float
- q_dot_rec_abs_from_sf_est_des
Estimated receiver thermal power based on field area and guessed optical efficiency [MWt]
- Type:
float
- q_dot_rec_des
Receiver thermal output at design [MWt]
- Type:
float
- q_dot_rec_inc
Receiver incident power after refl and defocus [MWt]
- Type:
sequence
- q_dot_reflection_loss
Receiver reflection losses [MWt]
- Type:
sequence
- q_heater
TES freeze protection power [MWe]
- Type:
sequence
- q_pb
PC input energy [MWt]
- Type:
sequence
- q_pc_startup
PC startup thermal energy [MWht]
- Type:
sequence
- q_piping_losses
Receiver header/tower piping losses [MWt]
- Type:
sequence
- q_sf_inc
Field incident thermal power [MWt]
- Type:
sequence
- q_startup
Receiver startup thermal energy consumed [MWt]
- Type:
sequence
- q_thermal_loss
Receiver convection and emission losses [MWt]
- Type:
sequence
- radcool_control
Radiative cooling status code [-]
- Type:
sequence
- rec_defocus
Receiver component defocus
- Type:
sequence
- rec_height_calc
Receiver height - out [m]
- Type:
float
- rec_op_mode_final
off, 1: startup, 2: on [-]
- Type:
sequence
- Type:
Final receiver operating mode 0
- rec_sm_from_sf_est_des
Estimated receiver solar mult based on field area and guessed optical efficiency [-]
- Type:
float
- rec_startup_energy_remain_final
Final receiver startup energy remaining [Wh]
- Type:
sequence
- rec_startup_time_remain_final
Final receiver startup time remaining [hr]
- Type:
sequence
- refl_image_error
Reflected image error [mrad]
- Type:
float
- rh
Resource relative humidity [%]
- Type:
sequence
- sales_energy_capacity_factor
Capacity factor considering only positive net generation periods [%]
- Type:
float
- sf_adjust_out
Field availability adjustment factor
- Type:
sequence
- sim_cpu_run_time
Simulation duration clock time [s]
- Type:
float
- solar_mult_calc
Receiver solar multiple - out
- Type:
float
- solaz
Resource solar azimuth [deg]
- Type:
sequence
- solzen
Resource solar zenith [deg]
- Type:
sequence
- system_capacity
System capacity [kWe]
- Type:
float
- tank_losses
TES thermal losses [MWt]
- Type:
sequence
- tdry
Resource dry Bulb temperature [C]
- Type:
sequence
- tes_htf_pump_power
TES HTF pump power [MWe]
- Type:
sequence
- time_hr
Time at end of timestep [hr]
- Type:
sequence
- total_direct_cost
Total direct cost [$]
- Type:
float
- total_indirect_cost
Total indirect cost [$]
- Type:
float
- total_installed_cost
Total installed cost [$]
- Type:
float
- total_land_area
Total land area [acre]
- Type:
float
- total_land_area_before_rad_cooling_calc
Total land area not including radiative cooling - out [acre]
- Type:
float
- tou_value
CSP operating time-of-use period
- Type:
sequence
- tshours_heater
TES duration at heater design output [hr]
- Type:
float
- tshours_rec
TES duration at receiver design output [hr]
- Type:
float
- twet
Resource wet Bulb temperature [C]
- Type:
sequence
- ui_direct_subtotal
Direct capital pre-contingency cost [$]
- Type:
float
- vel_rec_htf_des
Receiver estimated tube HTF velocity at design [m/s]
- Type:
float
- w_dot_net_pc_max
Max PC net electric power [MWe]
- Type:
sequence
- w_dot_net_pc_target
Target PC net electric power [MWe]
- Type:
sequence
- wspd
Resource wind velocity [m/s]
- Type:
sequence