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# Copyright (c) 2020 by Fraunhofer Institute for Energy Economics
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# and Energy System Technology (IEE), Kassel. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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import numpy as np
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from numpy import dtype
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from pandapipes.component_models.abstract_models import CirculationPump
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from pandapipes.idx_node import LOAD
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from pandapipes.internals_toolbox import _sum_by_group
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from pandapipes.pipeflow_setup import get_lookup
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try:
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import pplog as logging
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except ImportError:
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import logging
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logger = logging.getLogger(__name__)
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class CirculationPumpMass(CirculationPump):
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@classmethod
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def table_name(cls):
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return "circ_pump_mass"
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@classmethod
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def create_pit_node_entries(cls, net, node_pit, node_name):
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"""
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Function which creates pit node entries.
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:param net: The pandapipes network
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:type net: pandapipesNet
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:param node_pit:
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:type node_pit:
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:param node_name:
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:type node_name:
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:return: No Output.
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"""
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circ_pump, _ = super().create_pit_node_entries(net, node_pit, node_name)
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mf = np.nan_to_num(circ_pump.mdot_kg_per_s.values)
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mass_flow_loads = mf * circ_pump.in_service.values
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juncts, loads_sum = _sum_by_group(circ_pump.to_junction.values, mass_flow_loads)
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junction_idx_lookups = get_lookup(net, "node", "index")[node_name]
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index = junction_idx_lookups[juncts]
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node_pit[index, LOAD] += loads_sum
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@classmethod
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def get_component_input(cls):
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"""
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:return:
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:rtype:
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"""
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return [("name", dtype(object)),
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("from_junction", "u4"),
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("to_junction", "u4"),
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("p_bar", "f8"),
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("t_k", "f8"),
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("mdot_kg_per_s", "f8"),
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("in_service", 'bool'),
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("type", dtype(object))]
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SimonRubenDrauz