CIM14/ENTSOE/Equipment/LoadModel/LoadResponseCharacteristic.py

   1 # Copyright (C) 2010-2011 Richard Lincoln
   2 #
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   4 # of this software and associated documentation files (the "Software"), to
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   8 # furnished to do so, subject to the following conditions:
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  11 # all copies or substantial portions of the Software.
  12 #
  13 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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  19 # IN THE SOFTWARE.
  20
  21 from CIM14.ENTSOE.Equipment.Core.IdentifiedObject import IdentifiedObject
  22
  23 class LoadResponseCharacteristic(IdentifiedObject):
  24     """Models the characteristic response of the load demand due to to changes in system conditions such as voltage and frequency. This is not related to demand response.  If LoadResponseCharacteristic.exponentModel is True, the voltage exponents are specified and used as to calculate:  Active power component = Pnominal * (Voltage/cim:BaseVoltage.nominalVoltage) ** cim:LoadResponseCharacteristic.pVoltageExponent  Reactive power component = Qnominal * (Voltage/cim:BaseVoltage.nominalVoltage)** cim:LoadResponseCharacteristic.qVoltageExponent  Where  * means 'multiply' and ** is 'raised to power of'.
  25     """
  26
  27     def __init__(self, pVoltageExponent=0.0, qConstantCurrent=0.0, pFrequencyExponent=0.0, exponentModel=False, qConstantImpedance=0.0, pConstantCurrent=0.0, qFrequencyExponent=0.0, pConstantPower=0.0, qVoltageExponent=0.0, qConstantPower=0.0, pConstantImpedance=0.0, EnergyConsumer=None, *args, **kw_args):
  28         """Initialises a new 'LoadResponseCharacteristic' instance.
  29
  30         @param pVoltageExponent: Exponent of per unit voltage effecting real power.   This model used only when 'useExponentModel' is true.
  31         @param qConstantCurrent: Portion of reactive power load modeled as constant current. Used only if the useExponentModel is false.    This value is noralized against the sum of qZ, qI, and qP.
  32         @param pFrequencyExponent: Exponent of per unit frequency effecting active power
  33         @param exponentModel: Indicates the exponential voltage dependency model (pVoltateExponent and qVoltageExponent) is to be used.   If false, the coeficient model (consisting of pConstantImpedance, pConstantCurrent, pConstantPower, qConstantImpedance, qConstantCurrent, and qConstantPower) is to be used.
  34         @param qConstantImpedance: Portion of reactive power load modeled as constant impedance.  Used only if the useExponentModel is false.    This value is noralized against the sum of qZ, qI, and qP.
  35         @param pConstantCurrent: Portion of active power load modeled as constant current. Used only if the useExponentModel is false.    This value is noralized against the sum of pZ, pI, and pP.
  36         @param qFrequencyExponent: Exponent of per unit frequency effecting reactive power
  37         @param pConstantPower: Portion of active power load modeled as constant power. Used only if the useExponentModel is false.    This value is noralized against the sum of pZ, pI, and pP.
  38         @param qVoltageExponent: Exponent of per unit voltage effecting reactive power.   This model used only when 'useExponentModel' is true.
  39         @param qConstantPower: Portion of reactive power load modeled as constant power. Used only if the useExponentModel is false.    This value is noralized against the sum of qZ, qI, and qP.
  40         @param pConstantImpedance: Portion of active power load modeled as constant impedance.  Used only if the useExponentModel is false.    This value is noralized against the sum of pZ, pI, and pP.
  41         @param EnergyConsumer: The set of loads that have the response characteristics.
  42         """
  43         #: Exponent of per unit voltage effecting real power.   This model used only when 'useExponentModel' is true.
  44         self.pVoltageExponent = pVoltageExponent
  45
  46         #: Portion of reactive power load modeled as constant current. Used only if the useExponentModel is false.    This value is noralized against the sum of qZ, qI, and qP.
  47         self.qConstantCurrent = qConstantCurrent
  48
  49         #: Exponent of per unit frequency effecting active power
  50         self.pFrequencyExponent = pFrequencyExponent
  51
  52         #: Indicates the exponential voltage dependency model (pVoltateExponent and qVoltageExponent) is to be used.   If false, the coeficient model (consisting of pConstantImpedance, pConstantCurrent, pConstantPower, qConstantImpedance, qConstantCurrent, and qConstantPower) is to be used.
  53         self.exponentModel = exponentModel
  54
  55         #: Portion of reactive power load modeled as constant impedance.  Used only if the useExponentModel is false.    This value is noralized against the sum of qZ, qI, and qP.
  56         self.qConstantImpedance = qConstantImpedance
  57
  58         #: Portion of active power load modeled as constant current. Used only if the useExponentModel is false.    This value is noralized against the sum of pZ, pI, and pP.
  59         self.pConstantCurrent = pConstantCurrent
  60
  61         #: Exponent of per unit frequency effecting reactive power
  62         self.qFrequencyExponent = qFrequencyExponent
  63
  64         #: Portion of active power load modeled as constant power. Used only if the useExponentModel is false.    This value is noralized against the sum of pZ, pI, and pP.
  65         self.pConstantPower = pConstantPower
  66
  67         #: Exponent of per unit voltage effecting reactive power.   This model used only when 'useExponentModel' is true.
  68         self.qVoltageExponent = qVoltageExponent
  69
  70         #: Portion of reactive power load modeled as constant power. Used only if the useExponentModel is false.    This value is noralized against the sum of qZ, qI, and qP.
  71         self.qConstantPower = qConstantPower
  72
  73         #: Portion of active power load modeled as constant impedance.  Used only if the useExponentModel is false.    This value is noralized against the sum of pZ, pI, and pP.
  74         self.pConstantImpedance = pConstantImpedance
  75
  76         self._EnergyConsumer = []
  77         self.EnergyConsumer = [] if EnergyConsumer is None else EnergyConsumer
  78
  79         super(LoadResponseCharacteristic, self).__init__(*args, **kw_args)
  80
  81     _attrs = ["pVoltageExponent", "qConstantCurrent", "pFrequencyExponent", "exponentModel", "qConstantImpedance", "pConstantCurrent", "qFrequencyExponent", "pConstantPower", "qVoltageExponent", "qConstantPower", "pConstantImpedance"]
  82     _attr_types = {"pVoltageExponent": float, "qConstantCurrent": float, "pFrequencyExponent": float, "exponentModel": bool, "qConstantImpedance": float, "pConstantCurrent": float, "qFrequencyExponent": float, "pConstantPower": float, "qVoltageExponent": float, "qConstantPower": float, "pConstantImpedance": float}
  83     _defaults = {"pVoltageExponent": 0.0, "qConstantCurrent": 0.0, "pFrequencyExponent": 0.0, "exponentModel": False, "qConstantImpedance": 0.0, "pConstantCurrent": 0.0, "qFrequencyExponent": 0.0, "pConstantPower": 0.0, "qVoltageExponent": 0.0, "qConstantPower": 0.0, "pConstantImpedance": 0.0}
  84     _enums = {}
  85     _refs = ["EnergyConsumer"]
  86     _many_refs = ["EnergyConsumer"]
  87
  88     def getEnergyConsumer(self):
  89         """The set of loads that have the response characteristics.
  90         """
  91         return self._EnergyConsumer
  92
  93     def setEnergyConsumer(self, value):
  94         for x in self._EnergyConsumer:
  95             x.LoadResponse = None
  96         for y in value:
  97             y._LoadResponse = self
  98         self._EnergyConsumer = value
  99
 100     EnergyConsumer = property(getEnergyConsumer, setEnergyConsumer)
 101
 102     def addEnergyConsumer(self, *EnergyConsumer):
 103         for obj in EnergyConsumer:
 104             obj.LoadResponse = self
 105
 106     def removeEnergyConsumer(self, *EnergyConsumer):
 107         for obj in EnergyConsumer:
 108             obj.LoadResponse = None
 109