Skip to content
Closed
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
from libecalc.domain.process.compressor.core.base import CompressorWithTurbineModel
from libecalc.domain.process.compressor.core.sampled import CompressorModelSampled
from libecalc.domain.process.compressor.core.train.base import CompressorTrainModel
from libecalc.domain.process.compressor.core.train.utils.common import EPSILON
from libecalc.domain.process.core.results import EnergyFunctionResult
from libecalc.domain.process.pump.pump import PumpModel
from libecalc.domain.process.value_objects.fluid_stream.fluid_factory import FluidFactoryInterface
Expand Down Expand Up @@ -35,11 +36,14 @@ def get_max_standard_rate(
) -> NDArray[np.float64]:
model = self._facility_model
if isinstance(model, CompressorTrainModel):
return model.get_max_standard_rate(
suction_pressures=suction_pressure,
discharge_pressures=discharge_pressure,
assert self._fluid_factory is not None
model.set_evaluation_input(
suction_pressure=suction_pressure,
discharge_pressure=discharge_pressure,
fluid_factory=self._fluid_factory,
rate=np.full_like(suction_pressure, EPSILON),
)
return model.get_max_standard_rate()
elif isinstance(model, PumpModel):
assert fluid_density is not None
return model.get_max_standard_rates(
Expand All @@ -49,20 +53,26 @@ def get_max_standard_rate(
)
elif isinstance(model, CompressorWithTurbineModel):
if isinstance(model.compressor_model, CompressorModelSampled):
return model.get_max_standard_rate(
suction_pressures=suction_pressure,
discharge_pressures=discharge_pressure,
model.set_evaluation_input(
suction_pressure=suction_pressure,
discharge_pressure=discharge_pressure,
rate=np.full_like(suction_pressure, EPSILON),
)
return model.get_max_standard_rate(
suction_pressures=suction_pressure,
discharge_pressures=discharge_pressure,
return model.get_max_standard_rate()
model.set_evaluation_input(
suction_pressure=suction_pressure,
discharge_pressure=discharge_pressure,
fluid_factory=self._fluid_factory,
rate=np.full_like(suction_pressure, EPSILON),
)
return model.get_max_standard_rate()
elif isinstance(model, CompressorModelSampled):
return model.get_max_standard_rate(
suction_pressures=suction_pressure,
discharge_pressures=discharge_pressure,
model.set_evaluation_input(
suction_pressure=suction_pressure,
discharge_pressure=discharge_pressure,
rate=np.full_like(suction_pressure, EPSILON),
)
return model.get_max_standard_rate()
else:
assert_never(model)

Expand Down
35 changes: 6 additions & 29 deletions src/libecalc/domain/process/compressor/core/base.py
Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,6 @@
from libecalc.domain.process.compressor.core.train.utils.common import POWER_CALCULATION_TOLERANCE
from libecalc.domain.process.compressor.core.train.utils.numeric_methods import find_root
from libecalc.domain.process.core.results import CompressorTrainResult
from libecalc.domain.process.value_objects.fluid_stream.fluid_factory import FluidFactoryInterface


class CompressorWithTurbineModel:
Expand Down Expand Up @@ -97,39 +96,17 @@ def _calculate_remaining_capacity_in_train_given_standard_rate(
return 0.0 # Return 0 if no power value available
return float(energy_result.power.values[0]) - (max_power - POWER_CALCULATION_TOLERANCE)

def get_max_standard_rate(
self,
suction_pressures: NDArray[np.float64],
discharge_pressures: NDArray[np.float64],
fluid_factory: FluidFactoryInterface | None = None,
) -> NDArray[np.float64]:
def get_max_standard_rate(self) -> NDArray[np.float64]:
"""Validate that the compressor has enough power to handle the set maximum standard rate.
If there is insufficient power find new maximum rate.
"""
compressor_model = self.compressor_model
if fluid_factory is not None:
compressor_model._fluid_factory = fluid_factory

max_standard_rate = compressor_model.get_max_standard_rate(
suction_pressures=suction_pressures, discharge_pressures=discharge_pressures
)
suction_pressures = compressor_model._suction_pressure
discharge_pressures = compressor_model._discharge_pressure
assert suction_pressures is not None
assert discharge_pressures is not None
max_standard_rate = compressor_model.get_max_standard_rate()
assert max_standard_rate is not None
# Check if the obtained results are within the maximum load that the turbine can deliver
if isinstance(compressor_model, CompressorTrainModel):
compressor_model.set_evaluation_input(
fluid_factory=compressor_model._fluid_factory,
rate=max_standard_rate,
suction_pressure=suction_pressures,
discharge_pressure=discharge_pressures,
)
elif isinstance(compressor_model, CompressorModelSampled):
compressor_model.set_evaluation_input(
rate=max_standard_rate,
suction_pressure=suction_pressures,
discharge_pressure=discharge_pressures,
)
else:
assert_never(compressor_model)

results_max_standard_rate = compressor_model.evaluate()
energy_result = results_max_standard_rate.get_energy_result()
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -149,15 +149,13 @@ def get_consumption_type(self) -> ConsumptionType:

def get_max_standard_rate(
self,
suction_pressures: NDArray[np.float64] | None = None,
discharge_pressures: NDArray[np.float64] | None = None,
) -> NDArray[np.float64] | None:
"""Get max rate given suction pressure and a discharge pressure.

:param suction_pressures: Suction pressure [bar]
:param discharge_pressures: Discharge pressure [bar]
"""
number_of_calculation_points = len(suction_pressures) if suction_pressures is not None else 1
number_of_calculation_points = len(self._suction_pressure) if self._suction_pressure is not None else 1
if self.support_max_rate:
if self._qhull_sampled.support_max_rate:
return np.full(
Expand Down
Loading
Loading