CIM14/CDPSM/Balanced/IEC61968/WiresExt/PerLengthSequenceImpedance.py

   1 # Copyright (C) 2010-2011 Richard Lincoln
   2 #
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   4 # of this software and associated documentation files (the "Software"), to
   5 # deal in the Software without restriction, including without limitation the
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   7 # sell copies of the Software, and to permit persons to whom the Software is
   8 # furnished to do so, subject to the following conditions:
   9 #
  10 # The above copyright notice and this permission notice shall be included in
  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.CDPSM.Balanced.IEC61970.Core.IdentifiedObject import IdentifiedObject
  22
  23 class PerLengthSequenceImpedance(IdentifiedObject):
  24     """Sequence impedance and admittance parameters per unit length, for transposed lines of 1, 2, or 3 phases. For 1-phase lines, define x=x0=xself. For 2-phase lines, define x=xs-xm and x0=xs+xm.
  25     """
  26
  27     def __init__(self, x=0.0, gch=0.0, r0=0.0, x0=0.0, g0ch=0.0, b0ch=0.0, r=0.0, bch=0.0, ConductorSegments=None, *args, **kw_args):
  28         """Initialises a new 'PerLengthSequenceImpedance' instance.
  29
  30         @param x: Positive sequence series reactance, per unit of length.
  31         @param gch: Positive sequence shunt (charging) conductance, per unit of length.
  32         @param r0: Zero sequence series resistance, per unit of length.
  33         @param x0: Zero sequence series reactance, per unit of length.
  34         @param g0ch: Zero sequence shunt (charging) conductance, per unit of length.
  35         @param b0ch: Zero sequence shunt (charging) susceptance, per unit of length.
  36         @param r: Positive sequence series resistance, per unit of length.
  37         @param bch: Positive sequence shunt (charging) susceptance, per unit of length.
  38         @param ConductorSegments: All conductor segments described by this sequence impedance.
  39         """
  40         #: Positive sequence series reactance, per unit of length.
  41         self.x = x
  42
  43         #: Positive sequence shunt (charging) conductance, per unit of length.
  44         self.gch = gch
  45
  46         #: Zero sequence series resistance, per unit of length.
  47         self.r0 = r0
  48
  49         #: Zero sequence series reactance, per unit of length.
  50         self.x0 = x0
  51
  52         #: Zero sequence shunt (charging) conductance, per unit of length.
  53         self.g0ch = g0ch
  54
  55         #: Zero sequence shunt (charging) susceptance, per unit of length.
  56         self.b0ch = b0ch
  57
  58         #: Positive sequence series resistance, per unit of length.
  59         self.r = r
  60
  61         #: Positive sequence shunt (charging) susceptance, per unit of length.
  62         self.bch = bch
  63
  64         self._ConductorSegments = []
  65         self.ConductorSegments = [] if ConductorSegments is None else ConductorSegments
  66
  67         super(PerLengthSequenceImpedance, self).__init__(*args, **kw_args)
  68
  69     _attrs = ["x", "gch", "r0", "x0", "g0ch", "b0ch", "r", "bch"]
  70     _attr_types = {"x": float, "gch": float, "r0": float, "x0": float, "g0ch": float, "b0ch": float, "r": float, "bch": float}
  71     _defaults = {"x": 0.0, "gch": 0.0, "r0": 0.0, "x0": 0.0, "g0ch": 0.0, "b0ch": 0.0, "r": 0.0, "bch": 0.0}
  72     _enums = {}
  73     _refs = ["ConductorSegments"]
  74     _many_refs = ["ConductorSegments"]
  75
  76     def getConductorSegments(self):
  77         """All conductor segments described by this sequence impedance.
  78         """
  79         return self._ConductorSegments
  80
  81     def setConductorSegments(self, value):
  82         for x in self._ConductorSegments:
  83             x.SequenceImpedance = None
  84         for y in value:
  85             y._SequenceImpedance = self
  86         self._ConductorSegments = value
  87
  88     ConductorSegments = property(getConductorSegments, setConductorSegments)
  89
  90     def addConductorSegments(self, *ConductorSegments):
  91         for obj in ConductorSegments:
  92             obj.SequenceImpedance = self
  93
  94     def removeConductorSegments(self, *ConductorSegments):
  95         for obj in ConductorSegments:
  96             obj.SequenceImpedance = None
  97