MhkWave¶

Wave marine hydrokinetic system

PySAM.MhkWave.default(config) → MhkWave¶

Load defaults for the configuration config. Available configurations are:

“MEwaveBatterySingleOwner”

“MEwaveLCOECalculator”

“MEwaveNone”

“MEwaveSingleOwner”

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.MhkWave.from_existing(data, optional config) → MhkWave¶: Share data with an existing PySAM class. If optional config is a valid configuration name, load the module’s defaults for that configuration.

PySAM.MhkWave.new() → MhkWave¶

PySAM.MhkWave.wrap(ssc_data_t) → MhkWave¶: Load data from a PySSC object.

Warning

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

MhkWave is a wrapper for the SSC compute module cmod_mhk_wave.cpp

Interdependent Variables¶

The variables listed below are interdependent with other variables. If you change the value of one of these variables, you may need to change values of other variables. The SAM user interface manages these interdependent variables, but in PySAM, it is up to you change the value of all interdependent variables so they are consistent. See Interdependent Variables for examples and details.

device_rated_power

number_devices

system_capacity

wave_power_matrix

Functions¶

class PySAM.MhkWave.MhkWave¶

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

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

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

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

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.

MHKWave Group¶

class PySAM.MhkWave.MhkWave.MHKWave¶

assign(dict) → None¶

Assign attributes from dictionary, overwriting but not removing values.

MHKWave_vals = { var: val, ...}

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

replace(dict) → None¶

Replace attributes from dictionary, unassigning values not present in input dict.

MHKWave_vals = { var: val, ...}

balance_of_system_cost_total¶

BOS costs [$]

Required: False. Automatically set to 1 if not assigned explicitly or loaded from defaults.

Type:	float

day¶

Day [dy]

Info: 1-365

Type:	sequence

device_costs_total¶

Device costs [$]

Required: False. Automatically set to 1 if not assigned explicitly or loaded from defaults.

Type:	float

device_rated_power¶

Rated capacity of device [kW]

Required: True

The value of the following variables depends on device_rated_power:

number_devices

system_capacity

The value of device_rated_power depends on the following variables:

wave_power_matrix

Type:	float

energy_period¶

Wave period time series data [s]

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

financial_cost_total¶

Financial costs [$]

Required: False. Automatically set to 1 if not assigned explicitly or loaded from defaults.

Type:	float

fixed_charge_rate¶

FCR from LCOE Cost page

Required: False. Automatically set to 1 if not assigned explicitly or loaded from defaults.

Type:	float

hour¶

Hour [hr]

Info: 0-23

Type:	sequence

loss_additional¶

Additional losses [%]

Required: True

Type:	float

loss_array_spacing¶

Array spacing loss [%]

Required: True

Type:	float

loss_downtime¶

Array/WEC downtime loss [%]

Required: True

Type:	float

loss_resource_overprediction¶

Resource overprediction loss [%]

Required: True

Type:	float

loss_transmission¶

Transmission losses [%]

Required: True

Type:	float

minute¶

Minute [min]

Info: 0-59

Type:	sequence

month¶

Month [mn]

Info: 1-12

Type:	sequence

number_devices¶

Number of wave devices in the system

Constraints: INTEGER

Required: False. Automatically set to 1 if not assigned explicitly or loaded from defaults.

The value of the following variables depends on number_devices:

system_capacity

The value of number_devices depends on the following variables:

device_rated_power

wave_power_matrix

Type:	float

number_hours¶

Number of hours in wave time series

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:	float

number_records¶

Number of records in wave time series

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:	float

significant_wave_height¶

Significant wave height time series data [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

system_capacity¶

System Nameplate Capacity [kW]

Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.

The value of system_capacity depends on the following variables:

device_rated_power

number_devices

wave_power_matrix

Type:	float

total_operating_cost¶

O&M costs [$]

Required: False. Automatically set to 1 if not assigned explicitly or loaded from defaults.

Type:	float

wave_power_matrix¶

Wave Power Matrix

Required: True

The value of the following variables depends on wave_power_matrix:

device_rated_power

number_devices

system_capacity

Type:	sequence[sequence]

wave_resource_data¶

Array input of wave_resource_matrix (JPD) or time series (significant_wave_height and energy_period) data

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

wave_resource_matrix¶

Frequency distribution of wave resource as a function of Hs and Te

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]

wave_resource_model_choice¶

Hourly or JPD wave resource data [0/1]

Constraints: INTEGER

Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.

Type:	float

year¶

Year [yr]

Type:	sequence

AdjustmentFactors Group¶

class PySAM.MhkWave.MhkWave.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 [%]

Lifetime Group¶

class PySAM.MhkWave.MhkWave.Lifetime¶

assign(dict) → None¶

Assign attributes from dictionary, overwriting but not removing values.

Lifetime_vals = { var: val, ...}

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

replace(dict) → None¶

Replace attributes from dictionary, unassigning values not present in input dict.

Lifetime_vals = { var: val, ...}

analysis_period¶

Lifetime analysis period [years]

Required: Required if system_use_lifetime_output=1

Type:	float

generic_degradation¶

Annual AC degradation [%/year]

Required: Required if system_use_lifetime_output=1

Type:	sequence

system_use_lifetime_output¶

Generic lifetime simulation [0/1]

Constraints: INTEGER,MIN=0,MAX=1

Required: False. Automatically set to 0 if not assigned explicitly or loaded from defaults.

Type:	float

Outputs Group¶

class PySAM.MhkWave.MhkWave.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, ...}

annual_energy¶

Annual energy production of array [kWh]

Type:	float

annual_energy_distribution¶

Annual energy production as function of Hs and Te [kWh]

Type:	sequence[sequence]

annual_energy_distribution_time¶

Annual energy production as function of Time [kWh]

Type:	sequence[sequence]

capacity_factor¶

Capacity factor [%]

Type:	float

device_average_power¶

Average power production of a single device [kW]

Type:	float

energy_hourly_kW¶

Power output of array [kW]

Type:	sequence

energy_hourly_kWh¶

Energy production of array [kWh]

Type:	sequence

energy_period_data¶

Energy period time series data [s]

Type:	sequence

energy_period_index_mat¶

Wave period index locations for time series [s]

Type:	sequence

gen¶

System power generated [kW]

Type:	sequence

numberHours¶

Number of Hours

Type:	float

numberRecords¶

Number of Records

Type:	float

sig_wave_height_data¶

Significant wave height time series data [m]

Type:	sequence

sig_wave_height_index_mat¶

Wave height index locations for time series [m]

Type:	sequence

total_bos_cost_kwh¶

Balance of system costs per unit annual energy [$/kWh]

Type:	float

total_bos_cost_lcoe¶

BOS cost [%]

Type:	float

total_bos_cost_per_kw¶

Balance of Systems cost per kW [$/kW]

Type:	float

total_capital_cost_kwh¶

Capital costs per unit annual energy [$/kWh]

Type:	float

total_capital_cost_lcoe¶

Capital cost as percentage of overall LCOE [%]

Type:	float

total_capital_cost_per_kw¶

Capital cost per kW [$/kW]

Type:	float

total_device_cost_kwh¶

Device costs per unit annual energy [$/kWh]

Type:	float

total_device_cost_lcoe¶

Device cost [%]

Type:	float

total_device_cost_per_kw¶

Device cost per kW [$/kW]

Type:	float

total_financial_cost_kwh¶

Financial costs per unit annual energy [$/kWh]

Type:	float

total_financial_cost_lcoe¶

Financial cost [%]

Type:	float

total_financial_cost_per_kw¶

Financial cost per kW [$/kW]

Type:	float

total_om_cost_kwh¶

O&M costs per unit annual energy [$/kWh]

Type:	float

total_om_cost_lcoe¶

O&M cost (annual) [%]

Type:	float

total_operations_cost_per_kw¶

O&M cost per kW [$/kW]

Type:	float

wave_power_end_height¶

Wave height at which last non-zero WEC power output occurs (m)

Type:	float

wave_power_end_period¶

Wave period at which last non-zero WEC power output occurs (s)

Type:	float

wave_power_index_mat¶

Wave power for time series [kW]

Type:	sequence

wave_power_start_height¶

Wave height at which first non-zero WEC power output occurs (m)

Type:	float

wave_power_start_period¶

Wave period at which first non-zero WEC power output occurs (s)

Type:	float

wave_resource_end_height¶

Wave height at which last non-zero wave resource value occurs (m)

Type:	float

wave_resource_end_period¶

Wave period at which last non-zero wave resource value occurs (s)

Type:	float

wave_resource_start_height¶

Wave height at which first non-zero wave resource value occurs (m)

Type:	float

wave_resource_start_period¶

Wave period at which first non-zero wave resource value occurs (s)

Type:	float