TcsMSLF¶

Wrapper for SAM Simulation Core model: cmod_tcsMSLF.cpp

Input Consistency Warning¶

As described in Possible Problems, some input parameters are interdependent but the equations that enforce consistency are not available in this PySAM module. Therefore, the onus is on the PySAM user to check that interdependencies are correctly handled. The variables which may require additional logic include:

A_aperture

Dirt_mirror

Error

Fluid

GeomEffects

I_bn_des

L_mod

P_ref

T_amb_sf_des

T_field_in_des

T_field_out_des

T_htf_cold_ref

T_htf_hot_ref

T_loop_in_des

T_loop_out

T_tank_cold_ini

T_tank_hot_ini

TrackingError

V_tank_hot_ini

W_pb_design

dt_cold

dt_hot

eta_ref

field_fluid

fthr_ok

fthrok

is_hx

nLoops

nMod

nSCA

pb_rated_cap

q_max_aux

q_pb_design

reflectivity

solar_mult

solarm

store_fl_props

store_fluid

system_capacity

tes_temp

tshours

vol_tank

Provided for each of these inputs is a list of other inputs that are potentially interdependent.

Creating an Instance¶

Refer to the Initializing a Model page for details on the different ways to create an instance of a PySAM class.

TcsMSLF model description

CSP linear Fresnel with molten salt heat transfer fluid for power generation

PySAM.TcsMSLF.default(config) → TcsMSLF¶

Use default attributes config options:

“MSLFAllEquityPartnershipFlip”
“MSLFCommercial”
“MSLFLCOECalculator”
“MSLFLeveragedPartnershipFlip”
“MSLFMerchantPlant”
“MSLFNone”
“MSLFSaleLeaseback”
“MSLFSingleOwner”

PySAM.TcsMSLF.from_existing(data, optional config) → TcsMSLF¶: Share underlying data with an existing PySAM class. If config provided, default attributes are loaded otherwise.

PySAM.TcsMSLF.new() → TcsMSLF¶

PySAM.TcsMSLF.wrap(ssc_data_t) → TcsMSLF¶: Use existing PySSC data

Warning

Do not call PySSC.data_free on the ssc_data_t provided to wrap

Functions¶

class PySAM.TcsMSLF.TcsMSLF¶

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 = { 'Weather': { var: val, ...}, ...}

execute(int verbosity) → None¶: Execute simulation with verbosity level 0 (default) or 1

export() → dict¶: Export attributes into nested dictionary

unassign(name) → None¶: Unassign a value in any of the variable groups.

value(name, optional value) → Union[None, float, dict, sequence, str]¶: Get or set by name a value in any of the variable groups.

Weather Group¶

class PySAM.TcsMSLF.TcsMSLF.Weather¶

assign() → None¶

Assign attributes from dictionary

Weather_vals = { var: val, ...}

export() → dict¶: Export attributes into dictionary

azimuth¶

Azimuth angle of surface/axis

Required: True

Type:	float

file_name¶

local weather file path

Constraints: LOCAL_FILE

Required: True

Type:	str

tilt¶

Tilt angle of surface/axis

Required: True

Type:	float

track_mode¶

Tracking mode

Required: True

Type:	float

Mslf Group¶

class PySAM.TcsMSLF.TcsMSLF.Mslf¶

assign() → None¶

Assign attributes from dictionary

Mslf_vals = { var: val, ...}

export() → dict¶: Export attributes into dictionary

system_capacity¶

Nameplate capacity [kW]

Required: True

This variable may need to be updated if the values of the following have changed:

P_ref

Type:	float

TouTranslator Group¶

class PySAM.TcsMSLF.TcsMSLF.TouTranslator¶

assign() → None¶

Assign attributes from dictionary

TouTranslator_vals = { var: val, ...}

export() → dict¶: Export attributes into dictionary

weekday_schedule¶

12x24 Time of Use Values for week days

Required: True

Type:	sequence[sequence]

weekend_schedule¶

12x24 Time of Use Values for week end days

Required: True

Type:	sequence[sequence]

Controller Group¶

class PySAM.TcsMSLF.TcsMSLF.Controller¶

assign() → None¶

Assign attributes from dictionary

Controller_vals = { var: val, ...}

export() → dict¶: Export attributes into dictionary

A_aperture¶

Reflective aperture area of the collector [m2]

Required: True

Changes to this variable may require updating the values of the following:

nLoops
q_max_aux
solar_mult
solarm

Type:	float

AbsorberMaterial¶

Absorber material type

Required: True

Type:	sequence

AnnulusGas¶

Annulus gas type (1=air; 26=Ar; 27=H2)

Required: True

Type:	sequence

ColAz¶

Collector azimuth angle [deg]

Required: True

Type:	float

DP_SGS¶

Pressure drop within the steam generator [bar]

Required: True

Type:	float

DP_coefs¶

Pressure drop mass flow based part-load curve

Required: True

Type:	sequence

DP_nominal¶

Pressure drop across a single collector assembly at design [bar]

Required: True

Type:	float

D_abs_in¶

The inner absorber tube diameter [m]

Required: True

Type:	sequence

D_abs_out¶

The outer absorber tube diameter [m]

Required: True

Type:	sequence

D_glass_in¶

The inner glass envelope diameter [m]

Required: True

Type:	sequence

D_glass_out¶

The outer glass envelope diameter [m]

Required: True

Type:	sequence

D_plug¶

The diameter of the absorber flow plug (optional) [m]

Required: True

Type:	sequence

Design_loss¶

Receiver heat loss at design [W/m]

Required: True

Type:	sequence

Dirt_mirror¶

User-defined dirt on mirror derate

Required: True

Changes to this variable may require updating the values of the following:

nLoops
q_max_aux
solar_mult
solarm

Type:	float

Error¶

User-defined general optical error derate

Required: True

Changes to this variable may require updating the values of the following:

nLoops
q_max_aux
solar_mult
solarm

Type:	float

FieldConfig¶

Number of subfield headers

Required: True

Type:	float

Flow_type¶

The flow type through the absorber

Required: True

Type:	sequence

Fluid¶

Field HTF fluid number

Constraints: INTEGER

Required: True

Changes to this variable may require updating the values of the following:

field_fluid
is_hx

Type:	float

GeomEffects¶

Geometry effects derate

Required: True

Changes to this variable may require updating the values of the following:

nLoops
q_max_aux
solar_mult
solarm

Type:	float

GlazingIntactIn¶

The glazing intact flag

Required: True

Type:	sequence

HCE_FieldFrac¶

The fraction of the field occupied by this HCE type

Required: True

Type:	sequence

HDR_rough¶

Header pipe roughness [m]

Required: True

Type:	float

HL_T_coefs¶

HTF temperature-dependent heat loss coefficients [W/m-K]

Required: True

Type:	sequence

HL_w_coefs¶

Wind-speed-dependent heat loss coefficients [W/m-(m/s)]

Required: True

Type:	sequence

IAM_L_coefs¶

Incidence angle modifier coefficients - longitudinal plane

Required: True

Type:	sequence

IAM_T_coefs¶

Incidence angle modifier coefficients - transversal plane

Required: True

Type:	sequence

I_b¶

Direct normal incident solar irradiation [kJ/m2-hr]

Required: True

Type:	float

I_bn_des¶

Solar irradiation at design [W/m2]

Required: True

Changes to this variable may require updating the values of the following:

nLoops
q_max_aux
solar_mult
solarm

Type:	float

L_crossover¶

Length of crossover piping in a loop [m]

Required: True

Type:	float

L_mod¶

The length of the collector module [m]

Required: True

Changes to this variable may require updating the values of the following:

nLoops
q_max_aux
solar_mult
solarm

Type:	float

L_mod_spacing¶

Piping distance between sequential modules in a loop [m]

Required: True

Type:	float

OpticalTable¶

Values of the optical efficiency table

Required: True

Type:	sequence[sequence]

P_a¶

Annulus gas pressure [torr]

Required: True

Type:	sequence

P_amb¶

Ambient pressure [atm]

Required: True

Type:	float

Pipe_hl_coef¶

Loss coefficient from the header - runner pipe - and non-HCE piping [W/m2-K]

Required: True

Type:	float

Rough¶

Roughness of the internal surface [m]

Required: True

Type:	sequence

SCA_drives_elec¶

Tracking power in Watts per SCA drive [W/module]

Required: True

Type:	float

Shadowing¶

Receiver bellows shadowing loss factor

Required: True

Type:	sequence

T_amb_sf_des¶

Ambient design-point temperature for the solar field [C]

Required: True

Changes to this variable may require updating the values of the following:

nLoops
q_max_aux
solar_mult
solarm

Type:	float

T_cold_in¶

HTF return temperature [C]

Required: True

Type:	float

T_db¶

Dry bulb air temperature [C]

Required: True

Type:	float

T_dp¶

The dewpoint temperature [C]

Required: True

Type:	float

T_field_in_des¶

Label

Required: True

This variable may need to be updated if the values of the following have changed:

T_loop_in_des

Type:	float

T_field_ini¶

Initial field temperature [C]

Required: True

Type:	float

T_field_out_des¶

Label

Required: True

This variable may need to be updated if the values of the following have changed:

T_loop_out

Type:	float

T_fp¶

Freeze protection temperature (heat trace activation temperature) [C]

Required: True

Type:	float

T_loop_in_des¶

Design loop inlet temperature [C]

Required: True

Changes to this variable may require updating the values of the following:

T_field_in_des
T_htf_cold_ref
T_tank_cold_ini
V_tank_hot_ini
nLoops
q_max_aux
solar_mult
solarm
tes_temp
vol_tank

Type:	float

T_loop_out¶

Target loop outlet temperature [C]

Required: True

Changes to this variable may require updating the values of the following:

T_field_out_des
T_htf_hot_ref
T_tank_hot_ini
V_tank_hot_ini
nLoops
q_max_aux
solar_mult
solarm
tes_temp
vol_tank

Type:	float

T_set_aux¶

Label

Required: True

Type:	float

T_startup¶

Power block startup temperature [C]

Required: True

Type:	float

T_tank_cold_ini¶

Label

Required: True

This variable may need to be updated if the values of the following have changed:

T_loop_in_des

Type:	float

T_tank_hot_ini¶

Label

Required: True

This variable may need to be updated if the values of the following have changed:

T_loop_out

Type:	float

T_tank_hot_inlet_min¶

Minimum hot tank htf inlet temperature [C]

Required: True

Type:	float

Tau_envelope¶

Envelope transmittance

Required: True

Type:	sequence

TrackingError¶

Tracking error derate

Required: True

Changes to this variable may require updating the values of the following:

nLoops
q_max_aux
solar_mult
solarm

Type:	float

V_hdr_max¶

Maximum HTF velocity in the header at design [m/s]

Required: True

Type:	float

V_hdr_min¶

Minimum HTF velocity in the header at design [m/s]

Required: True

Type:	float

V_tank_hot_ini¶

Label

Required: True

This variable may need to be updated if the values of the following have changed:

P_ref
T_loop_in_des
T_loop_out
dt_cold
dt_hot
eta_ref
store_fl_props
tes_temp
tshours
vol_tank

Type:	float

V_tes_des¶

Design-point velocity to size the TES pipe diameters [m/s]

Required: True

Type:	float

V_wind¶

Ambient windspeed [m/s]

Required: True

Type:	float

V_wind_des¶

Design-point wind velocity [m/s]

Required: True

Type:	float

W_pb_design¶

Label

Required: True

This variable may need to be updated if the values of the following have changed:

P_ref

Type:	float

alpha_abs¶

Absorber absorptance

Required: True

Type:	sequence

alpha_env¶

Envelope absorptance

Required: True

Type:	sequence

aux_array¶

Label

Required: True

Type:	sequence

bop_array¶

Label

Required: True

Type:	sequence

calc_design_pipe_vals¶

Calculate temps and pressures at design conditions for runners and headers [-]

Required: True

Type:	float

cold_tank_Thtr¶

Label

Required: True

Type:	float

custom_sgs_pipe_sizes¶

Use custom SGS pipe diams, wallthks, and lengths [-]

Required: True

Type:	float

custom_tes_p_loss¶

TES pipe losses are based on custom lengths and coeffs [-]

Required: True

Type:	float

cycle_cutoff_frac¶

Label

Required: True

Type:	float

cycle_max_frac¶

Label

Required: True

Type:	float

defocus¶

Defocus control

Required: True

Type:	float

dirt_env¶

Loss due to dirt on the receiver envelope

Required: True

Type:	sequence

dt_cold¶

Label

Required: True

Changes to this variable may require updating the values of the following:

V_tank_hot_ini
vol_tank

This variable may need to be updated if the values of the following have changed:

dt_hot

Type:	float

dt_hot¶

Label

Required: True

Changes to this variable may require updating the values of the following:

V_tank_hot_ini
dt_cold
vol_tank

Type:	float

epsilon_abs_1¶

Absorber emittance - HCE variation 1

Required: True

Type:	sequence[sequence]

epsilon_abs_2¶

Absorber emittance - HCE variation 2

Required: True

Type:	sequence[sequence]

epsilon_abs_3¶

Absorber emittance - HCE variation 3

Required: True

Type:	sequence[sequence]

epsilon_abs_4¶

Absorber emittance - HCE variation 4

Required: True

Type:	sequence[sequence]

epsilon_glass¶

Glass envelope emissivity

Required: True

Type:	sequence

eta_pump¶

HTF pump efficiency

Required: True

Type:	float

f_tc_cold¶

Label

Required: True

Type:	float

fc_on¶

Label

Required: True

Type:	float

ffrac¶

Label

Required: True

Type:	sequence

field_fl_props¶

Fluid property data

Required: True

Type:	sequence[sequence]

field_fluid¶

Label

Required: True

This variable may need to be updated if the values of the following have changed:

Fluid

Type:	float

fossil_mode¶

Label

Constraints: INTEGER

Required: True

Type:	float

fthr_ok¶

Label

Constraints: INTEGER

Required: True

This variable may need to be updated if the values of the following have changed:

fthrok

Type:	float

fthrctrl¶

Defocusing strategy

Constraints: INTEGER

Required: True

Type:	float

fthrok¶

Flag to allow partial defocusing of the collectors

Constraints: INTEGER

Required: True

Changes to this variable may require updating the values of the following:

fthr_ok

Type:	float

h_tank¶

Label

Required: True

Type:	float

h_tank_min¶

Label

Required: True

Type:	float

has_hot_tank_bypass¶

Bypass valve connects field outlet to cold tank [-]

Required: True

Type:	float

hot_tank_Thtr¶

Label

Required: True

Type:	float

hx_config¶

Label

Required: True

Type:	float

is_hx¶

Label

Required: True

This variable may need to be updated if the values of the following have changed:

Fluid
store_fluid

Type:	float

k_tes_loss_coeffs¶

Minor loss coeffs for the coll, gen, and bypass loops [-]

Required: True

Type:	sequence

m_dot_htfmax¶

Maximum loop HTF flow rate [kg/s]

Required: True

Type:	float

m_dot_htfmin¶

Minimum loop HTF flow rate [kg/s]

Required: True

Type:	float

mc_bal_cold¶

The heat capacity of the balance of plant on the cold side [kWht/K-MWt]

Required: True

Type:	float

mc_bal_hot¶

The heat capacity of the balance of plant on the hot side [kWht/K-MWt]

Required: True

Type:	float

mc_bal_sca¶

Non-HTF heat capacity associated with each SCA - per meter basis [Wht/K-m]

Required: True

Type:	float

nLoops¶

Number of loops in the field

Required: True

Changes to this variable may require updating the values of the following:

q_max_aux
solar_mult
solarm

This variable may need to be updated if the values of the following have changed:

A_aperture
Dirt_mirror
Error
GeomEffects
I_bn_des
L_mod
P_ref
T_amb_sf_des
T_loop_in_des
T_loop_out
TrackingError
eta_ref
nMod
reflectivity

Type:	float

nMod¶

Number of collector modules in a loop

Constraints: INTEGER

Required: True

Changes to this variable may require updating the values of the following:

nLoops
nSCA
q_max_aux
solar_mult
solarm

Type:	float

nRecVar¶

Number of receiver variantions

Constraints: INTEGER

Required: If not provided, assumed to be 4

Type:	float

nSCA¶

Label

Required: True

This variable may need to be updated if the values of the following have changed:

nMod

Type:	float

nodes¶

Label

Required: True

Type:	float

opt_model¶

The optical model

Constraints: INTEGER

Required: True

Type:	float

pb_fixed_par¶

Label

Required: True

Type:	float

pb_pump_coef¶

Label

Required: True

Type:	float

pb_rated_cap¶

Rated plant capacity [MWe]

Required: True

This variable may need to be updated if the values of the following have changed:

P_ref

Type:	float

q_max_aux¶

Label

Required: True

This variable may need to be updated if the values of the following have changed:

A_aperture
Dirt_mirror
Error
GeomEffects
I_bn_des
L_mod
P_ref
T_amb_sf_des
T_loop_in_des
T_loop_out
TrackingError
eta_ref
nLoops
nMod
reflectivity
solar_mult

Type:	float

q_pb_design¶

Label

Required: True

This variable may need to be updated if the values of the following have changed:

P_ref
eta_ref

Type:	float

rec_htf_vol¶

Volume of HTF in a single collector unit per unit aperture area [L/m2-ap]

Required: True

Type:	float

rec_model¶

Receiver model type (1=Polynomial ; 2=Evac tube)

Constraints: INTEGER

Required: True

Type:	float

reflectivity¶

Solar-weighted mirror reflectivity value

Required: True

Changes to this variable may require updating the values of the following:

nLoops
q_max_aux
solar_mult
solarm

Type:	float

sgs_diams¶

Custom SGS diameters [m]

Required: True

Type:	sequence

sgs_lengths¶

Custom SGS lengths [m]

Required: True

Type:	sequence

sgs_wallthicks¶

Custom SGS wall thicknesses [m]

Required: True

Type:	sequence

solar_mult¶

Solar multiple

Required: True

Changes to this variable may require updating the values of the following:

q_max_aux
solarm

This variable may need to be updated if the values of the following have changed:

A_aperture
Dirt_mirror
Error
GeomEffects
I_bn_des
L_mod
P_ref
T_amb_sf_des
T_loop_in_des
T_loop_out
TrackingError
eta_ref
nLoops
nMod
reflectivity

Type:	float

solarm¶

Label

Required: True

This variable may need to be updated if the values of the following have changed:

A_aperture
Dirt_mirror
Error
GeomEffects
I_bn_des
L_mod
P_ref
T_amb_sf_des
T_loop_in_des
T_loop_out
TrackingError
eta_ref
nLoops
nMod
reflectivity
solar_mult

Type:	float

store_fl_props¶

Label

Required: True

Changes to this variable may require updating the values of the following:

V_tank_hot_ini
vol_tank

Type:	sequence[sequence]

store_fluid¶

Label

Required: True

Changes to this variable may require updating the values of the following:

is_hx

Type:	float

t_ch_out_max¶

Label

Required: True

Type:	float

t_dis_out_min¶

Label

Required: True

Type:	float

t_standby_reset¶

Label

Required: True

Type:	float

tank_max_heat¶

Label

Required: True

Type:	float

tank_pairs¶

Label

Constraints: INTEGER

Required: True

Type:	float

tanks_in_parallel¶

Tanks are in parallel, not in series, with solar field [-]

Required: True

Type:	float

tc_fill¶

Label

Required: True

Type:	float

tc_void¶

Label

Required: True

Type:	float

tes_pump_coef¶

Label

Required: True

Type:	float

tes_temp¶

Label

Required: True

Changes to this variable may require updating the values of the following:

V_tank_hot_ini
vol_tank

This variable may need to be updated if the values of the following have changed:

T_loop_in_des
T_loop_out

Type:	float

tes_type¶

Label

Required: True

Type:	float

theta_dep¶

deploy angle [deg]

Required: True

Type:	float

theta_stow¶

stow angle [deg]

Required: True

Type:	float

tshours¶

Label

Required: True

Changes to this variable may require updating the values of the following:

V_tank_hot_ini
vol_tank

Type:	float

tslogic_a¶

Label

Required: True

Type:	sequence

tslogic_b¶

Label

Required: True

Type:	sequence

tslogic_c¶

Label

Required: True

Type:	sequence

u_tank¶

Label

Required: True

Type:	float

vol_tank¶

Label

Required: True

Changes to this variable may require updating the values of the following:

V_tank_hot_ini

This variable may need to be updated if the values of the following have changed:

P_ref
T_loop_in_des
T_loop_out
dt_cold
dt_hot
eta_ref
store_fl_props
tes_temp
tshours

Type:	float

SolarField Group¶

class PySAM.TcsMSLF.TcsMSLF.SolarField¶

assign() → None¶

Assign attributes from dictionary

SolarField_vals = { var: val, ...}

export() → dict¶: Export attributes into dictionary

washes_per_year¶

Mirror washing frequency [none]

Required: True

Type:	float

water_per_wash¶

Water usage per wash [L/m2_aper]

Required: True

Type:	float

Powerblock Group¶

class PySAM.TcsMSLF.TcsMSLF.Powerblock¶

assign() → None¶

Assign attributes from dictionary

Powerblock_vals = { var: val, ...}

export() → dict¶: Export attributes into dictionary

CT¶

Flag for using dry cooling or wet cooling system [none]

Required: True if pc_config=0

Type:	float

F_wc¶

Fraction indicating wet cooling use for hybrid system [none]

Options: constant=[0,0,0,0,0,0,0,0,0]

Required: True if pc_config=0

Type:	sequence

P_boil¶

Boiler operating pressure [bar]

Required: True if pc_config=0

Type:	float

P_cond_min¶

Minimum condenser pressure [inHg]

Required: True if pc_config=0

Type:	float

P_cond_ratio¶

Condenser pressure ratio [none]

Required: True if pc_config=0

Type:	float

P_ref¶

Label [-]

Required: True

Changes to this variable may require updating the values of the following:

V_tank_hot_ini
W_pb_design
nLoops
pb_rated_cap
q_max_aux
q_pb_design
solar_mult
solarm
system_capacity
vol_tank

Type:	float

T_ITD_des¶

ITD at design for dry system [C]

Required: True if pc_config=0

Type:	float

T_amb_des¶

Reference ambient temperature at design point [C]

Required: True if pc_config=0

Type:	float

T_approach¶

Cooling tower approach temperature [C]

Required: True if pc_config=0

Type:	float

T_htf_cold_ref¶

Label [-]

Required: True

This variable may need to be updated if the values of the following have changed:

T_loop_in_des

Type:	float

T_htf_hot_ref¶

Label [-]

Required: True

This variable may need to be updated if the values of the following have changed:

T_loop_out

Type:	float

dT_cw_ref¶

Reference condenser cooling water inlet/outlet T diff [C]

Required: True if pc_config=0

Type:	float

eta_ref¶

Cycle thermal efficiency at design point [-]

Required: True

Changes to this variable may require updating the values of the following:

V_tank_hot_ini
nLoops
q_max_aux
q_pb_design
solar_mult
solarm
vol_tank

Type:	float

n_pl_inc¶

Number of part-load increments for the heat rejection system [none]

Required: True if pc_config=0

Type:	float

pb_bd_frac¶

Power block blowdown steam fraction [none]

Required: True if pc_config=0

Type:	float

pc_config¶

Steam Rankine (224), 1: user defined [-]

Constraints: INTEGER

Required: If not provided, assumed to be 0

Type:	float
Type:	0

q_sby_frac¶

Fraction of thermal power required for standby mode [none]

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

tech_type¶

Turbine inlet pressure control flag (sliding=user, fixed=trough) [1/2/3]

Info: tower/trough/user

Required: True if pc_config=0

Type:	float

UserDefinedPC Group¶

class PySAM.TcsMSLF.TcsMSLF.UserDefinedPC¶

assign() → None¶

Assign attributes from dictionary

UserDefinedPC_vals = { var: val, ...}

export() → dict¶: Export attributes into dictionary

ud_f_W_dot_cool_des¶

Percent of user-defined power cycle design gross output consumed by cooling [%]

Required: True 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: True if pc_config=1

Type:	sequence[sequence]

ud_m_dot_water_cool_des¶

Mass flow rate of water required at user-defined power cycle design point [kg/s]

Required: True if pc_config=1

Type:	float

Enet Group¶

class PySAM.TcsMSLF.TcsMSLF.Enet¶

assign() → None¶

Assign attributes from dictionary

Enet_vals = { var: val, ...}

export() → dict¶: Export attributes into dictionary

eta_lhv¶

Label [-]

Required: True

Type:	float

eta_tes_htr¶

Label [-]

Required: True

Type:	float

fp_mode¶

Label [-]

Required: True

Type:	float

AdjustmentFactors Group¶

class PySAM.TcsMSLF.TcsMSLF.AdjustmentFactors¶

assign() → None¶: Assign attributes from dictionary

export() → Dict¶: Export attributes into dictionary

constant¶

float

Type:	type

dc_constant¶: DC Constant loss adjustment [%]

dc_hourly¶: DC Hourly Adjustment Factors [%]

dc_periods¶: DC Period-based Adjustment Factors [%]

hourly¶: AC Hourly Adjustment Factors [%]

periods¶: AC Period-based Adjustment Factors [%]

sf_constant¶: DC Constant loss adjustment [%]

sf_hourly¶: DC Hourly Adjustment Factors [%]

sf_periods¶: DC Period-based Adjustment Factors [%]

Outputs Group¶

class PySAM.TcsMSLF.TcsMSLF.Outputs¶

assign() → None¶

Assign attributes from dictionary

Outputs_vals = { var: val, ...}

export() → dict¶: Export attributes into dictionary

DP_tot¶

Field HTF pressure drop total [bar]

Type:	sequence

E_bal_startup¶

Field HTF energy inertial (consumed) [MWht]

Type:	sequence

EqOptEff¶

Field collector and receiver optical efficiency

Type:	sequence

P_cycle¶

Cycle electrical power output (gross) [MWe]

Type:	sequence

Pipe_hl¶

Field thermal power header pipe losses [MWt]

Type:	sequence

Q_par_sf_fp¶

Parasitic thermal field freeze protection [MWt]

Type:	sequence

Q_par_tes_fp¶

Parasitic thermal TES freeze protection [MWt]

Type:	sequence

T_pb_in¶

Cycle HTF temperature in (hot) [C]

Type:	sequence

T_pb_out¶

Cycle HTF temperature out (cold) [C]

Type:	sequence

T_sys_c¶

Field HTF temperature cold header inlet [C]

Type:	sequence

T_sys_h¶

Field HTF temperature hot header outlet [C]

Type:	sequence

T_tank_cold_fin¶

TES HTF temperature in cold tank [C]

Type:	sequence

T_tank_cold_in¶

TES HTF temperature cold tank inlet [C]

Type:	sequence

T_tank_hot_fin¶

TES HTF temperature in hot tank [C]

Type:	sequence

T_tank_hot_in¶

TES HTF temperature hot tank inlet [C]

Type:	sequence

Ts_cold¶

TES HTF temperature HX field side cold [C]

Type:	sequence

Ts_hot¶

TES HTF temperature HX field side hot [C]

Type:	sequence

W_cool_par¶

Parasitic power condenser operation [MWe]

Type:	sequence

W_dot_pump¶

Parasitic power solar field HTF pump [MWe]

Type:	sequence

W_net¶

Cycle electrical power output (net) [MWe]

Type:	sequence

W_par_BOP¶

Parasitic power generation-dependent load [MWe]

Type:	sequence

W_par_aux_boiler¶

Parasitic power auxiliary heater operation [MWe]

Type:	sequence

annual_W_cycle_gross¶

Electrical source - Power cycle gross output [kWh]

Type:	float

annual_energy¶

Annual Energy [kWh]

Type:	float

annual_fuel_usage¶

Annual fuel usage [kWh]

Type:	float

annual_total_water_use¶

cycle + mirror washing [m3]

Type:	float
Type:	Total Annual Water Usage

beam¶

Resource Beam normal irradiance [W/m2]

Type:	sequence

capacity_factor¶

Capacity factor [%]

Type:	float

conversion_factor¶

Gross to Net Conversion Factor [%]

Type:	float

eta¶

Cycle efficiency (gross)

Type:	sequence

eta_optical¶

Field collector optical efficiency

Type:	sequence

eta_thermal¶

Field thermal efficiency

Type:	sequence

fixed_par¶

Parasitic power fixed load [MWe]

Type:	sequence

gen¶

System power generated [kW]

Type:	sequence

hour¶

Resource Hour of Day

Type:	sequence

htf_pump_power¶

Parasitic power TES and Cycle HTF pump [MWe]

Type:	sequence

kwh_per_kw¶

First year kWh/kW [kWh/kW]

Type:	float

m_dot_avail¶

Field HTF mass flow rate total [kg/hr]

Type:	sequence

m_dot_charge_field¶

TES HTF mass flow rate - field side of HX [kg/hr]

Type:	sequence

m_dot_discharge_tank¶

TES HTF mass flow rate - storage side of HX [kg/hr]

Type:	sequence

m_dot_htf2¶

Field HTF mass flow rate loop [kg/s]

Type:	sequence

m_dot_makeup¶

Cycle cooling water mass flow rate - makeup [kg/hr]

Type:	sequence

m_dot_pb¶

Cycle HTF mass flow rate [kg/hr]

Type:	sequence

mass_tank_cold¶

TES HTF mass in cold tank [kg]

Type:	sequence

mass_tank_hot¶

TES HTF mass in hot tank [kg]

Type:	sequence

month¶

Resource Month

Type:	sequence

monthly_energy¶

Monthly Energy [kWh]

Type:	sequence

phi_t¶

Field collector incidence angle - transversal [deg]

Type:	sequence

pipe_sgs_P_dsn¶

Pressure in SGS pipes at design conditions [bar]

Type:	sequence

pipe_sgs_T_dsn¶

Temperature in SGS pipes at design conditions [C]

Type:	sequence

pipe_sgs_diams¶

Pipe diameters in SGS [m]

Type:	sequence

pipe_sgs_mdot_dsn¶

Mass flow SGS pipes at design conditions [kg/s]

Type:	sequence

pipe_sgs_vel_dsn¶

Velocity in SGS pipes at design conditions [m/s]

Type:	sequence

pipe_sgs_wallthk¶

Pipe wall thickness in SGS [m]

Type:	sequence

pres¶

Resource Pressure [mbar]

Type:	sequence

q_abs_tot¶

Field thermal power absorbed [MWt]

Type:	sequence

q_aux_fuel¶

Fossil fuel usage (all subsystems) [MMBTU]

Type:	sequence

q_avail¶

Field thermal power produced [MWt]

Type:	sequence

q_dump¶

Field thermal power dumped [MWt]

Type:	sequence

q_inc_sf_tot¶

Field thermal power incident [MWt]

Type:	sequence

q_loss_spec_tot¶

Field thermal power avg. receiver loss [W/m]

Type:	sequence

q_loss_tot¶

Field thermal power receiver loss [MWt]

Type:	sequence

q_pb¶

Cycle thermal power input [MWt]

Type:	sequence

q_to_tes¶

TES thermal energy into storage [MWt]

Type:	sequence

sf_def¶

Field collector focus fraction

Type:	sequence

solazi¶

Resource Solar Azimuth [deg]

Type:	sequence

solzen¶

Resource Solar Zenith [deg]

Type:	sequence

system_heat_rate¶

System heat rate [MMBtu/MWh]

Type:	float

t_loop_outlet¶

Field HTF temperature loop outlet [C]

Type:	sequence

tank_losses¶

TES thermal losses from tank(s) [MWt]

Type:	sequence

tdry¶

Resource Dry bulb temperature [C]

Type:	sequence

theta_L¶

Field collector incidence angle - longitudinal [deg]

Type:	sequence

tou_value¶

Resource Time-of-use value

Type:	sequence

track_par_tot¶

Parasitic power field collector drives [MWe]

Type:	sequence

twet¶

Resource Wet bulb temperature [C]

Type:	sequence

vol_tank_cold_fin¶

TES HTF volume in cold tank [m3]

Type:	sequence

vol_tank_hot_fin¶

TES HTF volume in hot tank [m3]

Type:	sequence

vol_tank_total¶

TES HTF volume total [m3]

Type:	sequence

wspd¶

Resource Wind Speed [m/s]

Type:	sequence

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TcsMSLF¶

Input Consistency Warning¶

Creating an Instance¶

Functions¶

Weather Group¶

Mslf Group¶

TouTranslator Group¶

Controller Group¶

SolarField Group¶

Powerblock Group¶

UserDefinedPC Group¶

Enet Group¶

AdjustmentFactors Group¶

Outputs Group¶