windisch.model

model.py contains WindTurbineModel which sizes wind turbines and calculates dimensions and mass attributes.

Functions

func_height_power(power, coeff_a, coeff_b, ...)	Returns hub height, in m, based on rated power output (kW).
func_mass_foundation_onshore(height, diameter)	Returns mass of onshore turbine foundations :param height: tower height (m) :param diameter: rotor diameter (m) :return:
func_mass_reinf_steel_onshore(power)	Returns mass of reinforcing steel in onshore turbine foundations, based on power output (kW).
func_nacelle_weight_power(power, coeff_a, ...)	Returns nacelle weight, in kg.
func_rotor_diameter(power, coeff_a, coeff_b, ...)	Returns rotor diameter, based on power output and given coefficients :param power: power output (kW) :param coeff_a: coefficient :param coeff_b: coefficient :param coeff_c: coefficient :param coeff_d: coefficient :return: rotor diameter (m)
func_rotor_weight_rotor_diameter(power, ...)	Returns rotor weight, in kg, based on rotor diameter.
func_tower_weight_d2h(diameter, height, ...)	Returns tower mass, in kg, based on tower diameter and height.
get_grout_volume(trans_length)	Returns grout volume (m3) based on transition piece length (in m).
get_pile_height(power, sea_depth)	Returns undersea pile height (m) from rated power output (kW), penetration depth and sea depeth.
get_pile_mass(power, pile_height)	Return the mass of the steel pile based on the power output of the rotor and the height of the pile.
get_scour_volume(power)	Returns scour volume (m3) based on power output (kW).
get_transition_height()	Returns a fitting model for the height of transition piece (in m), based on pile height (in m).
get_transition_mass(pile_height)	Returns the mass of transition piece (in kg).
penetration_depth_fit()	Return a penetration depth fit model of the steel pile of the offshore wind turbine.
set_cable_requirements(power, cross_section, ...)	Return the required cable mass as well as the energy needed to lay down the cable.

Classes

WindTurbineModel(array)

This class represents the entirety of the turbines considered, with useful attributes, such as an array that stores all the turbine input parameters.

class windisch.model.WindTurbineModel(array)

This class represents the entirety of the turbines considered, with useful attributes, such as an array that stores all the turbine input parameters.

Variables:

array (xarray.DataArray) – multidimensional numpy-like array that contains parameters’ value(s)

set_all()

This method runs a series of methods to size the wind turbines, evaluate material requirements, etc.

Returns:

Does not return anything. Modifies self.array in place.

windisch.model.func_height_power(power: int, coeff_a: float, coeff_b: float, coeff_c: float) → float

Returns hub height, in m, based on rated power output (kW). :param power: power output (kW) :param coeff_a: coefficient :param coeff_b: coefficient :param coeff_c: coefficient :return: hub height (m)

windisch.model.func_mass_foundation_onshore(height: float, diameter: float) → float

Returns mass of onshore turbine foundations :param height: tower height (m) :param diameter: rotor diameter (m) :return:

windisch.model.func_mass_reinf_steel_onshore(power: int) → float

Returns mass of reinforcing steel in onshore turbine foundations, based on power output (kW). :param power: power output (kW) :return:

windisch.model.func_nacelle_weight_power(power: int, coeff_a: float, coeff_b: float) → float

Returns nacelle weight, in kg. :param power: power output (kW) :param coeff_a: coefficient a :param coeff_b: coefficient b :return: nacelle weight (in kg)

windisch.model.func_rotor_diameter(power: int, coeff_a: float, coeff_b: float, coeff_c: float, coeff_d: float) → float

Returns rotor diameter, based on power output and given coefficients :param power: power output (kW) :param coeff_a: coefficient :param coeff_b: coefficient :param coeff_c: coefficient :param coeff_d: coefficient :return: rotor diameter (m)

windisch.model.func_rotor_weight_rotor_diameter(power: int, coeff_a: float, coeff_b: float) → float

Returns rotor weight, in kg, based on rotor diameter. :param power: power output (kW) :param coeff_a: coefficient a :param coeff_b: coefficient b :return: nacelle weight (in kg)

windisch.model.func_tower_weight_d2h(diameter: float, height: float, coeff_a: float, coeff_b: float) → float

Returns tower mass, in kg, based on tower diameter and height. :param diameter: tower diameter (m) :param height: tower height (m) :param coeff_a: coefficient a :param coeff_b: coefficient b :return: tower mass (in kg)

windisch.model.get_grout_volume(trans_length: float) → float

Returns grout volume (m3) based on transition piece length (in m). :param trans_length: length of the transition piece (in m) :return: grout volume (in m3) needed

windisch.model.get_pile_height(power: int, sea_depth: float) → float

Returns undersea pile height (m) from rated power output (kW), penetration depth and sea depeth. :param power: power output (kW) :param sea_depth: sea depth (m) :return: pile height (m)

windisch.model.get_pile_mass(power: int, pile_height: float) → float

Return the mass of the steel pile based on the power output of the rotor and the height of the pile. :param power: power output (in kW) of the rotor :param pile_height: height (in m) of the pile :return: mass of the steel pile (in kg)

windisch.model.get_scour_volume(power: int) → float

Returns scour volume (m3) based on power output (kW). Scour is a mix of gravel and cement. :param power: power output (kW) :return: scour volume (m3)

windisch.model.get_transition_height() → poly1d

Returns a fitting model for the height of transition piece (in m), based on pile height (in m). :return:

windisch.model.get_transition_mass(pile_height: float) → float

Returns the mass of transition piece (in kg). :return:

windisch.model.penetration_depth_fit() → poly1d

Return a penetration depth fit model of the steel pile of the offshore wind turbine. :return:

windisch.model.set_cable_requirements(power: int, cross_section: float, dist_transfo: float, dist_coast: float, park_size: int) → Tuple[float, float]

Return the required cable mass as well as the energy needed to lay down the cable. :param power: rotor power output (in kW) :param cross_section: cable cross-section (in mm2) :param dist_transfo: distance to transformer (in m) :param dist_coast: distance to coastline (in m) :param park_size: :return: