test_simple_dispatch_one

Complexity

Total Complexity

2

Size/Duplication

Total Lines	122
Duplicated Lines	77.87 %

Importance

Changes

0

1 Function

Rating	Name	Duplication	Size	Complexity
B	test_dispatch_one_time_step()	95	95	2

# -*- coding: utf-8 -*-

"""This example shows how to create an energysystem with oemof objects and
solve it with the solph module.

This file is part of project oemof (github.com/oemof/oemof). It's copyrighted
by the contributors recorded in the version control history of the file,
available from its original location
oemof/tests/test_scripts/test_solph/test_simple_dispatch/test_simple_dispatch.py

SPDX-License-Identifier: MIT
"""

import pytest

from oemof.solph import EnergySystem
from oemof.solph import Model
from oemof.solph import processing
from oemof.solph import views
from oemof.solph.buses import Bus
from oemof.solph.components import Converter
from oemof.solph.components import Sink
from oemof.solph.components import Source
from oemof.solph.flows import Flow


def test_dispatch_one_time_step(solver="cbc"):

This code seems to be duplicated in your project.

    """Create an energy system and optimize the dispatch at least costs."""

    # ######################### create energysystem components ################
    # resource buses
    bgas = Bus(label="gas", balanced=False)

    # electricity and heat
    bel = Bus(label="b_el")
    bth = Bus(label="b_th")

    # an excess and a shortage variable can help to avoid infeasible problems
    excess_el = Sink(label="excess_el", inputs={bel: Flow()})

    # sources
    wind = Source(
        label="wind", outputs={bel: Flow(fix=0.5, nominal_capacity=66.3)}
    )

    # demands (electricity/heat)
    demand_el = Sink(
        label="demand_elec", inputs={bel: Flow(nominal_capacity=85, fix=0.3)}
    )

    demand_th = Sink(
        label="demand_therm", inputs={bth: Flow(nominal_capacity=40, fix=0.2)}
    )

    # combined heat and power plant (chp)
    pp_chp = Converter(
        label="pp_chp",
        inputs={bgas: Flow()},
        outputs={
            bel: Flow(nominal_capacity=30, variable_costs=42),
            bth: Flow(nominal_capacity=40),
        },
        conversion_factors={bel: 0.3, bth: 0.4},
    )

    # heatpump with a coefficient of performance (COP) of 3
    b_heat_source = Bus(label="b_heat_source")

    heat_source = Source(label="heat_source", outputs={b_heat_source: Flow()})

    cop = 3
    heat_pump = Converter(
        label="heat_pump",
        inputs={bel: Flow(), b_heat_source: Flow()},
        outputs={bth: Flow(nominal_capacity=10)},
        conversion_factors={bel: 1 / 3, b_heat_source: (cop - 1) / cop},
    )

    energysystem = EnergySystem(timeincrement=[1])
    energysystem.add(
        bgas,
        bel,
        bth,
        excess_el,
        wind,
        demand_el,
        demand_th,
        pp_chp,
        b_heat_source,
        heat_source,
        heat_pump,
    )

    # ################################ optimization ###########################

    # create optimization model based on energy_system
    optimization_model = Model(energysystem=energysystem)

    # solve problem
    optimization_model.solve(solver=solver)

    # write back results from optimization object to energysystem
    optimization_model.results()

    # ################################ results ################################
    data = views.node(processing.results(model=optimization_model), "b_el")

    # generate results to be evaluated in tests
    results = data["sequences"].sum(axis=0).to_dict()

    print("DateTimeIndex:", data["sequences"].index)

    test_results = {
        (("wind", "b_el"), "flow"): 33,
        (("b_el", "demand_elec"), "flow"): 26,
        (("b_el", "excess_el"), "flow"): 5,
        (("b_el", "heat_pump"), "flow"): 3,
    }

    for key in test_results.keys():
        assert results[key] == pytest.approx(test_results[key], abs=0.5)