hydesign.pv.pv_hybridization

Classes

pvp_with_degradation	PV degradation model providing the PV degradation time series throughout the lifetime of the plant
existing_pvp	PV power plant model : It computes the solar power output during the lifetime of the plant using data from the datasheet
pvp_degradation_linear	PV degradation model providing the PV degradation time series throughout the lifetime of the plant,
shadow	pv loss model due to shadows of wt

Functions

get_solar_time_series(surface_tilt, surface_azimuth, ...)	Computing the output power time series of the PV plant
get_solar_time_series_existing_pv(surface_tilt, ...[, ...])	Computing the output power time series of the existing PV plant
get_linear_solar_degradation(pv_deg_per_year, life_h)	Computes the PV degradation

Module Contents

class hydesign.pv.pv_hybridization.pvp_with_degradation(N_limit, life_y, life_h, pv_deg=[0, 25 * 1 / 100])

Bases: openmdao.api.ExplicitComponent

PV degradation model providing the PV degradation time series throughout the lifetime of the plant

N_limit

life_y

life_h

pv_deg

setup()

Declare inputs and outputs.

Available attributes:

name pathname comm options

compute(inputs, outputs)

Compute outputs given inputs. The model is assumed to be in an unscaled state.

An inherited component may choose to either override this function or to define a compute_primal function.

Parameters:

• inputs (Vector) – Unscaled, dimensional input variables read via inputs[key].

• outputs (Vector) – Unscaled, dimensional output variables read via outputs[key].

• discrete_inputs (dict-like or None) – If not None, dict-like object containing discrete input values.

• discrete_outputs (dict-like or None) – If not None, dict-like object containing discrete output values.

class hydesign.pv.pv_hybridization.existing_pvp(weather_fn, N_time, latitude, longitude, altitude, inverter_eff_curve, pdc0, v_mp, i_mp, v_oc, i_sc, alpha_sc_spec, beta_voc_spec, gamma_pdc, cells_in_series, temp_ref, celltype, panel, tracking, pac0_inv, eta_max, eta_euro, modules_per_string, strings_per_inverter, number_of_inverters, soiling, shading, snow, mismatch, wiring, connections, lid, nameplate_rating, age, availability)

Bases: openmdao.api.ExplicitComponent

PV power plant model : It computes the solar power output during the lifetime of the plant using data from the datasheet

Parameters:

• N_time (Number of time-steps in weather simulation)

• inverter_eff_curve (inverter efficiency curve that is imported.)

• pdc0 (Module nominal power)

• v_mp (Module maximum power voltage)

• i_mp (Module maximum power current)

• v_oc (Module open circuit voltage)

• i_sc (Module short circuit current)

• alpha_sc_spec (short circuit temperature coefficient)

• beta_voc_spec (open circuit temperature coefficient)

• gamma_pdc (power temperature coefficient)

• cells_in_series (number of cells in series)

• temp_ref (reference temperature (25°))

• celltype (type of cell (mono/poly Si))

• panel (type of panel (monofacial/bifacial))

• tracking (fixed/single-axis)

• pac0_inv (Inverter AC nominal power)

• eta_max (maximum inverter efficiency)

• eta_euro (european inverter efficiency)

• modules_per_string (number of modules per string)

• strings_per_inverter (number of strings per inverter)

• number_of_inverters (number of inverters)

• soiling (losses due to soiling (%))

• shading (losses due to shading (%))

• snow (losses due to snow (%))

• mismatch (lossesdue to mismatch (%))

• wiring (losses due to wiring (%))

• connections (losses due to connections (%))

• lid (losses due to lid (%))

• nameplate_rating (losses due to nameplate rating (%))

• age (losses due to age)

• availability (losses due to availability (%))

weather_fn

N_time

latitude

longitude

altitude

inverter_eff_curve

pdc0

v_mp

i_mp

i_sc

v_oc

alpha_sc_spec

beta_voc_spec

gamma_pdc

cells_in_series

temp_ref

celltype

panel

tracking

pac0_inv

eta_max

eta_euro

modules_per_string

strings_per_inverter

number_of_inverters

soiling

shading

snow

mismatch

wiring

connections

lid

nameplate_rating

age

availability

weather = None

pvloc

setup()

Declare inputs and outputs.

Available attributes:

name pathname comm options

compute(inputs, outputs)

Compute outputs given inputs. The model is assumed to be in an unscaled state.

An inherited component may choose to either override this function or to define a compute_primal function.

Parameters:

• inputs (Vector) – Unscaled, dimensional input variables read via inputs[key].

• outputs (Vector) – Unscaled, dimensional output variables read via outputs[key].

• discrete_inputs (dict-like or None) – If not None, dict-like object containing discrete input values.

• discrete_outputs (dict-like or None) – If not None, dict-like object containing discrete output values.

class hydesign.pv.pv_hybridization.pvp_degradation_linear(life_h)

Bases: openmdao.api.ExplicitComponent

PV degradation model providing the PV degradation time series throughout the lifetime of the plant, considering a fixed linear degradation of the PV panels

life_h

setup()

Declare inputs and outputs.

Available attributes:

name pathname comm options

compute(inputs, outputs)

Compute outputs given inputs. The model is assumed to be in an unscaled state.

An inherited component may choose to either override this function or to define a compute_primal function.

Parameters:

• inputs (Vector) – Unscaled, dimensional input variables read via inputs[key].

• outputs (Vector) – Unscaled, dimensional output variables read via outputs[key].

• discrete_inputs (dict-like or None) – If not None, dict-like object containing discrete input values.

• discrete_outputs (dict-like or None) – If not None, dict-like object containing discrete output values.

class hydesign.pv.pv_hybridization.shadow(N_time)

Bases: openmdao.api.ExplicitComponent

pv loss model due to shadows of wt

N_time

setup()

Declare inputs and outputs.

Available attributes:

name pathname comm options

compute(inputs, outputs)

Compute outputs given inputs. The model is assumed to be in an unscaled state.

An inherited component may choose to either override this function or to define a compute_primal function.

Parameters:

• inputs (Vector) – Unscaled, dimensional input variables read via inputs[key].

• outputs (Vector) – Unscaled, dimensional output variables read via outputs[key].

• discrete_inputs (dict-like or None) – If not None, dict-like object containing discrete input values.

• discrete_outputs (dict-like or None) – If not None, dict-like object containing discrete output values.

hydesign.pv.pv_hybridization.get_solar_time_series(surface_tilt, surface_azimuth, solar_MW, land_use_per_solar_MW, DC_AC_ratio, tracking, pvloc, weather)

Computing the output power time series of the PV plant

Parameters:

• surface_tilt (surface tilt of the PV panels)

• surface_azimuth (azimuth of the PV panels)

• DC_AC_ratio (DC-AC ratio of the PV converter)

• solar_MW (AC nominal capacity of the PV power plant)

Returns:

solar_t

Return type:

PV power time series

hydesign.pv.pv_hybridization.get_solar_time_series_existing_pv(surface_tilt, surface_azimuth, land_use_per_solar_MW, DC_AC_ratio, module_parameters, inverter_parameters, losses_parameters, existing_inverter_efficiency_curve, modules_per_string, strings_per_inverter, number_of_inverters, pvloc, weather, gcr=0.2857142857142857, plot=False)

Computing the output power time series of the existing PV plant

Returns:

solar_t

Return type:

PV power time series

hydesign.pv.pv_hybridization.get_linear_solar_degradation(pv_deg_per_year, life_h)

Computes the PV degradation

Parameters:

• pv_deg_per_year (fixed yearly degradation of PV panels)

• life_h (lifetime of the plant in hours)

Returns:

SoH_pv

Return type:

degradation of the PV plant throughout the lifetime