def test_const_p2g_control(get_gas_example, get_power_example_simple):
net_gas = get_gas_example
net_power = get_power_example_simple
flow_gas = 0.003
pandapipes.create_source(net_gas, 5, flow_gas)
pandapipes.create_sink(net_gas, 3, flow_gas)
pandapipes.create_sink(net_gas, 4, flow_gas)
power_load = 0.004
pandapower.create_load(net_power, 6, power_load)
pandapower.create_load(net_power, 5, power_load)
pandapower.create_sgen(net_power, 4, power_load)
mn = create_empty_multinet('coupled net')
add_nets_to_multinet(mn, power=net_power, gas=net_gas)
_, p2g = coupled_p2g_const_control(mn, 0, 0, 0.6, initial_run=True)
ConstControl(net_gas, 'sink', 'mdot_kg_per_s', [0, 1])
ConstControl(net_power, 'load', 'p_mw', 1)
ConstControl(net_power, 'sgen', 'p_mw', 0)
run_control(mn)
assert np.all(net_power.res_load.p_mw.values == power_load)
assert np.all(net_gas.res_sink.values == flow_gas)
assert net_gas.source.mdot_kg_per_s.values == power_load * p2g.conversion_factor_mw_to_kgps()\
* p2g.efficiency
def MultiNet(self):
if isinstance(self.obj, str): # backwards compatibility
from pandapipes import from_json_string
return from_json_string(self.obj)
else:
net = create_empty_multinet()
net.update(self.obj)
return net
def test_g2g_multiple(get_gas_example):
""" coupling of multiple elements in two gas grids with one MulitEnergyController
gas-to-gas = e.g. hgas (methane) to Hydrogen conversion (SMR)"""
# get the nets
fluid1 = {"name": "hgas", "cal_value": 14.62197}
net_gas1 = copy.deepcopy(get_gas_example)
pandapipes.create_fluid_from_lib(net_gas1, fluid1["name"], overwrite=True)
fluid2 = {"name": "hydrogen", "cal_value": 38.38024}
net_gas2 = copy.deepcopy(get_gas_example)
pandapipes.create_fluid_from_lib(net_gas2, fluid2["name"], overwrite=True)
# set up multinet
mn = create_empty_multinet("test_g2g")
add_nets_to_multinet(mn, hgas_net=net_gas1, hydrogen_net=net_gas2)
# dummy component for offset in sink/source indices:
_ = pandapipes.create_sink(net_gas1, 0, mdot_kg_per_s=0.001)
no_g2g = pandapipes.create_sources(net_gas2, [0, 3], mdot_kg_per_s=0.0314)
# add components to represent G2P unit
gas1_cons_kg_per_s = 0.05
g2g_ids_cons = pandapipes.create_sinks(net_gas1,
range(1, 4),
mdot_kg_per_s=gas1_cons_kg_per_s,
name="SMR consumption")
g2g_ids_prod = pandapipes.create_sources(net_gas2, [0, 2, 5],
0,
name="SMR production")
# add coupling controller
eta = 0.65
GasToGasConversion(mn,
g2g_ids_cons,
g2g_ids_prod,
efficiency=eta,
name_gas_net_from='hgas_net',
name_gas_net_to='hydrogen_net')
run_control(mn)
# nets must not be changed
assert mn.nets["hgas_net"] == net_gas1
assert mn.nets["hydrogen_net"] == net_gas2
# check G2G result
assert np.all(net_gas1.sink.loc[g2g_ids_cons, "mdot_kg_per_s"] == \
net_gas1.res_sink.loc[g2g_ids_cons, "mdot_kg_per_s"])
assert np.all(net_gas1.sink.loc[g2g_ids_cons,
"mdot_kg_per_s"] == gas1_cons_kg_per_s)
assert np.all(net_gas2.source.loc[no_g2g, "mdot_kg_per_s"] == 0.0314)
assert np.allclose(
net_gas2.source.loc[g2g_ids_prod, "mdot_kg_per_s"],
(gas1_cons_kg_per_s * fluid1["cal_value"] / fluid2["cal_value"]) * eta)
def test_g2p_multiple(get_gas_example, get_power_example_simple):
""" coupling of multiple elements with one MulitEnergyController"""
# get the nets
fluid = {"name": "hgas", "cal_value": 14.62197}
net_gas = copy.deepcopy(get_gas_example)
net_power = copy.deepcopy(get_power_example_simple)
assert fluid["name"] == pandapipes.get_fluid(net_gas).name
# set up multinet
mn = create_empty_multinet("test_g2p")
add_nets_to_multinet(mn, power=net_power, gas=net_gas)
# dummy component for offset in load/source indices:
_ = pandapower.create_sgen(net_power, 0, p_mw=0.01)
no_g2p = pandapipes.create_sinks(net_gas, [0, 3], mdot_kg_per_s=0.001)
# add components to represent G2P unit
gas_cons_kg_per_s = 0.5
g2p_ids_gas = pandapipes.create_sinks(net_gas,
range(1, 3),
mdot_kg_per_s=gas_cons_kg_per_s,
name="gas to power consumption")
g2p_ids_el = pandapower.create_sgens(net_power,
range(4, 6),
0,
name="gas to power feed in")
# add coupling controller
eta = 0.4
G2PControlMultiEnergy(mn,
g2p_ids_el,
g2p_ids_gas,
efficiency=eta,
element_type_power="sgen")
run_control(mn)
# nets must not be changed
assert mn.nets["power"] == net_power
assert mn.nets["gas"] == net_gas
# check G2P result
assert np.all(net_power.sgen.loc[g2p_ids_el, "p_mw"] == \
net_power.res_sgen.loc[g2p_ids_el, "p_mw"])
assert np.allclose(net_power.sgen.loc[g2p_ids_el, "p_mw"],
(gas_cons_kg_per_s * fluid["cal_value"] * 3600 / 1000) *
eta)
assert np.all(net_gas.sink.loc[g2p_ids_gas,
"mdot_kg_per_s"] == gas_cons_kg_per_s)
assert np.all(net_gas.sink.loc[no_g2p, "mdot_kg_per_s"] == 0.001)
def test_g2g_single(get_gas_example):
"""gas-to-gas = hgas (methane) to Hydrogen conversion"""
# get the nets
fluid1 = {"name": "hgas", "cal_value": 14.62197}
net_gas1 = copy.deepcopy(get_gas_example)
pandapipes.create_fluid_from_lib(net_gas1, fluid1["name"], overwrite=True)
fluid2 = {"name": "hydrogen", "cal_value": 38.38024}
net_gas2 = copy.deepcopy(get_gas_example)
pandapipes.create_fluid_from_lib(net_gas2, fluid2["name"], overwrite=True)
# set up multinet
mn = create_empty_multinet("test_g2g")
add_nets_to_multinet(mn, hgas_net=net_gas1, hydrogen_net=net_gas2)
# add components to represent G2P unit
gas1_cons_kg_per_s = 0.5
g2g_id_cons = pandapipes.create_sink(net_gas1,
1,
mdot_kg_per_s=gas1_cons_kg_per_s,
name="SMR consumption")
g2g_id_prod = pandapipes.create_source(net_gas2,
1,
0,
name="SMR production")
# add coupling controller
eta = 0.65
GasToGasConversion(mn,
g2g_id_cons,
g2g_id_prod,
efficiency=eta,
name_gas_net_from='hgas_net',
name_gas_net_to='hydrogen_net')
run_control(mn)
# nets must not be changed
assert mn.nets["hgas_net"] == net_gas1
assert mn.nets["hydrogen_net"] == net_gas2
# check G2G result
assert net_gas1.sink.at[g2g_id_cons, "mdot_kg_per_s"] == \
net_gas1.res_sink.at[g2g_id_cons, "mdot_kg_per_s"]
assert net_gas1.sink.at[g2g_id_cons, "mdot_kg_per_s"] == gas1_cons_kg_per_s
assert np.isclose(
net_gas2.source.at[g2g_id_prod, "mdot_kg_per_s"],
(gas1_cons_kg_per_s * fluid1["cal_value"] / fluid2["cal_value"]) * eta)
def test_p2g_multiple(get_gas_example, get_power_example_simple):
""" coupling of multiple elements with one MulitEnergyController"""
# get the nets
fluid = {"name": "hgas", "cal_value": 14.62197}
net_gas = copy.deepcopy(get_gas_example)
net_power = copy.deepcopy(get_power_example_simple)
assert fluid["name"] == pandapipes.get_fluid(net_gas).name
# set up multinet
mn = create_empty_multinet("test_p2g")
add_nets_to_multinet(mn, power=net_power, gas=net_gas)
# dummy component for offset in load/source indices:
_ = pandapower.create_load(net_power, 0, p_mw=0.01)
no_p2g = pandapipes.create_sources(net_gas, [0, 3], mdot_kg_per_s=0.001)
# add components to represent P2G unit
p_p2g_el = 10
p2g_ids_el = pandapower.create_loads(net_power,
range(1, 6),
p_mw=p_p2g_el,
name="power to gas consumption")
p2g_ids_gas = pandapipes.create_sources(net_gas,
range(5),
0,
name="power to gas feed in")
# add coupling controller
eta = 0.5
P2GControlMultiEnergy(mn, p2g_ids_el, p2g_ids_gas, efficiency=eta)
# run control should read/write values with .loc
run_control(mn)
# nets must not be changed
assert mn.nets["power"] == net_power
assert mn.nets["gas"] == net_gas
# check P2G result
assert np.all(net_gas.source.loc[p2g_ids_gas, "mdot_kg_per_s"] == \
net_gas.res_source.loc[p2g_ids_gas, "mdot_kg_per_s"])
assert np.allclose(net_gas.source.loc[p2g_ids_gas, "mdot_kg_per_s"],
(p_p2g_el /
(net_gas.fluid.get_property('hhv') * 3.6)) * eta)
assert np.all(net_gas.source.loc[no_p2g, "mdot_kg_per_s"] == 0.001)
assert np.all(
net_power.load.loc[p2g_ids_el,
"p_mw"] == p_p2g_el) # has to be still the same
def test_g2p_single(get_gas_example, get_power_example_simple):
""" coupling of a single element in the power and gas net each with one MulitEnergyController"""
# get the nets
fluid = {"name": "hgas", "cal_value": 14.62197}
net_gas = copy.deepcopy(get_gas_example)
net_power = copy.deepcopy(get_power_example_simple)
assert fluid["name"] == pandapipes.get_fluid(net_gas).name
# set up multinet
mn = create_empty_multinet("test_g2p")
add_nets_to_multinet(mn, power=net_power, gas=net_gas)
# add components to represent G2P unit
gas_cons_kg_per_s = 0.5
g2p_id_gas = pandapipes.create_sink(net_gas,
1,
mdot_kg_per_s=gas_cons_kg_per_s,
name="gas to power consumption")
g2p_id_el = pandapower.create_sgen(net_power,
6,
0,
name="gas to power feed in")
# add coupling controller
eta = 0.4
G2PControlMultiEnergy(mn,
g2p_id_el,
g2p_id_gas,
efficiency=eta,
element_type_power="sgen")
run_control(mn)
# nets must not be changed
assert mn.nets["power"] == net_power
assert mn.nets["gas"] == net_gas
# check G2P result
assert net_power.sgen.at[g2p_id_el, "p_mw"] == \
net_power.res_sgen.at[g2p_id_el, "p_mw"]
assert np.isclose(net_power.sgen.at[g2p_id_el, "p_mw"],
(gas_cons_kg_per_s * fluid["cal_value"] * 3600 / 1000) *
eta) # 10.5264
assert net_gas.sink.at[
g2p_id_gas,
"mdot_kg_per_s"] == gas_cons_kg_per_s # has to be still the same
def test_p2g_single(get_gas_example, get_power_example_simple):
""" coupling of a single element in the power and gas net each with one MulitEnergyController"""
# get the nets
fluid = {"name": "hgas", "cal_value": 14.62197}
net_gas = copy.deepcopy(get_gas_example)
net_power = copy.deepcopy(get_power_example_simple)
assert fluid["name"] == pandapipes.get_fluid(net_gas).name
# set up multinet
mn = create_empty_multinet("test_p2g")
add_nets_to_multinet(mn, power=net_power, gas=net_gas)
# add components to represent P2G unit
p_p2g_el = 50
p2g_id_el = pandapower.create_load(net_power,
6,
p_mw=p_p2g_el,
name="power to gas consumption")
p2g_id_gas = pandapipes.create_source(net_gas,
1,
0,
name="power to gas feed in")
# add coupling controller
eta = 0.5
P2GControlMultiEnergy(mn, p2g_id_el, p2g_id_gas, efficiency=eta)
run_control(mn)
# nets must not be changed
assert mn.nets["power"] == net_power
assert mn.nets["gas"] == net_gas
# check P2G result
assert net_gas.source.at[p2g_id_gas, "mdot_kg_per_s"] == \
net_gas.res_source.at[p2g_id_gas, "mdot_kg_per_s"]
assert np.isclose(net_gas.source.at[p2g_id_gas, "mdot_kg_per_s"],
(p_p2g_el /
(net_gas.fluid.get_property('hhv') * 3.6)) * eta)
assert net_power.load.at[p2g_id_el,
"p_mw"] == p_p2g_el # has to be still the same
def test_time_series_p2g_control(get_gas_example, get_power_example_simple):
net_gas = get_gas_example
net_power = get_power_example_simple
pandapipes.create_source(net_gas, 5, 0.003)
pandapipes.create_sink(net_gas, 3, 0.003)
pandapipes.create_sink(net_gas, 4, 0.003)
pandapower.create_load(net_power, 6, 0.004)
pandapower.create_load(net_power, 5, 0.004)
pandapower.create_sgen(net_power, 4, 0.004)
mn = create_empty_multinet('coupled net')
add_nets_to_multinet(mn, power=net_power, gas=net_gas)
data_p2g_power = pd.DataFrame(np.concatenate(
[np.array([1.0] * 5),
np.array([0.75] * 2),
np.array([1.0] * 3)]),
columns=['load_p2g_power'])
data_const_load = pd.DataFrame(np.concatenate(
[np.array([1.2] * 5),
np.array([1.75] * 2),
np.array([1.2] * 3)]),
columns=['load_const'])
data_const_sgen = pd.DataFrame(np.concatenate(
[np.array([0.8] * 5),
np.array([0.9] * 2),
np.array([0.8] * 3)]),
columns=['sgen_const'])
data_const_sink = np.zeros([10, 2])
data_const_sink[:5, :] = [0.6, 0.4]
data_const_sink[5:7, :] = [1.2, 0.3]
data_const_sink[7:, :] = [0.6, 0.4]
data_const_sink = pd.DataFrame(data_const_sink,
columns=['sink_const_0', 'sink_const_1'])
ds = DFData(data_p2g_power)
_, p2g = coupled_p2g_const_control(mn,
0,
0,
0.6,
initial_run=True,
profile_name='load_p2g_power',
data_source=ds)
ds = DFData(data_const_sink)
ConstControl(net_gas,
'sink',
'mdot_kg_per_s', [0, 1],
profile_name=['sink_const_0', 'sink_const_1'],
data_source=ds)
ds = DFData(data_const_load)
ConstControl(net_power,
'load',
'p_mw',
1,
profile_name=['load_const'],
data_source=ds)
ds = DFData(data_const_sgen)
ConstControl(net_power,
'sgen',
'p_mw',
0,
profile_name=['sgen_const'],
data_source=ds)
log_variables = [('res_source', 'mdot_kg_per_s'),
('res_sink', 'mdot_kg_per_s')]
ow_gas = OutputWriter(net_gas, range(10), log_variables=log_variables)
log_variables = [('res_load', 'p_mw'), ('res_sgen', 'p_mw')]
ow_power = OutputWriter(net_power, range(10), log_variables=log_variables)
run_timeseries(mn, range(10))
gas_res = ow_gas.np_results
power_res = ow_power.np_results
assert np.all(gas_res['res_sink.mdot_kg_per_s'] == data_const_sink.values)
assert np.all(gas_res['res_source.mdot_kg_per_s'] == data_p2g_power.values * \
p2g.conversion_factor_mw_to_kgps() * p2g.efficiency)
assert np.all(power_res['res_load.p_mw'][:, 1] == data_const_load.values.T)
assert np.all(power_res['res_sgen.p_mw'] == data_const_sgen.values)