from oemof.eesyplan.investment import _create_invest_if_wanted
from oemof.solph import Flow
from oemof.solph.components import Converter
[docs]
class FuelCell(Converter):
[docs]
def __init__(
self,
name,
bus_in_h2,
bus_out_electricity,
age_installed=0,
installed_capacity=0,
capex_var=1000,
capex_fix=0,
opex_fix=10,
opex_var=0,
lifetime=20,
optimize_cap=True,
efficiency=0.8,
maximum_capacity=float("+inf"),
project_data=None,
):
"""
Fuel cell for electricity generation.
This class represents a fuel cell that converts hydrogen or other
fuels into electrical energy through electrochemical processes.
.. important ::
The efficiency of fuel cells is typically higher than
combustion-based generators.
:Structure:
*input*
1. bus_in_h2 : H2
*output*
1. bus_out_electricity : Electricity
Parameters
----------
name : str
Name of the asset.
age_installed : int, default=0
Number of years the asset has already been in operation.
installed_capacity : float, default=0
Already existing installed capacity.
capex_fix : float, default=1000
Specific investment costs of the asset related to the
installed capacity (CAPEX).
capex_var : float, default=1000
Specific investment costs of the asset related to the
installed capacity (CAPEX).
opex_fix : float, default=10
Specific operational and maintenance costs of the asset
related to the installed capacity (OPEX_fix).
opex_var : float, default=0.01
Costs associated with a flow through/from the asset
(OPEX_var or fuel costs).
lifetime : int, default=20
Number of operational years of the asset until it has to
be replaced.
optimize_cap : bool, default=False
Choose if capacity optimization should be performed for
this asset.
maximum_capacity : float or None, default=None
Maximum total capacity of an asset that can be installed
at the project site.
efficiency : float, default=0.8
Ratio of energy output to energy input.
Examples
--------
>>> from oemof.eesyplan import Project
>>> from oemof.solph import Bus
>>> h2_bus = Bus(label="hydrogen_bus")
>>> el_bus = Bus(label="electricity_bus")
>>> my_fuel_cell = FuelCell(
... name="hydrogen_fuel_cell",
... bus_in_h2=h2_bus,
... bus_out_electricity=el_bus,
... age_installed=0,
... installed_capacity=0,
... capex_var=1000,
... opex_fix=1000,
... lifetime=20,
... maximum_capacity=None,
... efficiency=0.9,
... opex_var=0,
... optimize_cap=True,
... project_data=Project(
... name="Project_X", lifetime=20, tax=0,
... discount_factor=0.01,
... )
... )
"""
nv = _create_invest_if_wanted(
optimise_cap=optimize_cap,
capex_var=capex_var,
opex_fix=opex_fix,
lifetime=lifetime,
age_installed=age_installed,
existing_capacity=installed_capacity,
maximum_capacity=maximum_capacity,
project_data=project_data,
)
inputs = {bus_in_h2: Flow()}
outputs = {
bus_out_electricity: Flow(
nominal_capacity=nv,
variable_costs=opex_var,
)
}
self.name = name
self.age_installed = age_installed
self.installed_capacity = installed_capacity
self.capex_fix = capex_fix
self.capex_var = capex_var
self.opex_fix = opex_fix
self.opex_var = opex_var
self.lifetime = lifetime
self.maximum_capacity = maximum_capacity
self.efficiency = efficiency
super().__init__(
label=name,
outputs=outputs,
inputs=inputs,
conversion_factors={bus_out_electricity: efficiency},
)