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

   1 # Copyright (C) 2010-2011 Richard Lincoln
   2 #
   3 # Permission is hereby granted, free of charge, to any person obtaining a copy
   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,
  15 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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  19 # IN THE SOFTWARE.
  20
  21 from CIM14.CDPSM.Balanced.IEC61970.Core.IdentifiedObject import IdentifiedObject
  22
  23 class WindingPiImpedance(IdentifiedObject):
  24     """Transformer Pi-model impedance that accurately reflects impedance for transformers with 2 or 3 windings. For transformers with 4 or more windings, you must use TransformerInfo.
  25     """
  26
  27     def __init__(self, x=0.0, g=0.0, r0=0.0, r=0.0, b=0.0, g0=0.0, x0=0.0, b0=0.0, Windings=None, *args, **kw_args):
  28         """Initialises a new 'WindingPiImpedance' instance.
  29
  30         @param x: Positive sequence series reactance of the winding.  For a two winding transformer, the full reactance of the transformer should be entered on the primary (high voltage) winding.
  31         @param g: Magnetizing branch conductance (G mag).
  32         @param r0: Zero sequence series resistance of the winding.
  33         @param r: DC resistance of the winding.
  34         @param b: Magnetizing branch susceptance (B mag).  The value can be positive or negative.
  35         @param g0: Zero sequence magnetizing branch conductance.
  36         @param x0: Zero sequence series reactance of the winding.
  37         @param b0: Zero sequence magnetizing branch susceptance.
  38         @param Windings: All windings having this Pi impedance.
  39         """
  40         #: Positive sequence series reactance of the winding.  For a two winding transformer, the full reactance of the transformer should be entered on the primary (high voltage) winding.
  41         self.x = x
  42
  43         #: Magnetizing branch conductance (G mag).
  44         self.g = g
  45
  46         #: Zero sequence series resistance of the winding.
  47         self.r0 = r0
  48
  49         #: DC resistance of the winding.
  50         self.r = r
  51
  52         #: Magnetizing branch susceptance (B mag).  The value can be positive or negative.
  53         self.b = b
  54
  55         #: Zero sequence magnetizing branch conductance.
  56         self.g0 = g0
  57
  58         #: Zero sequence series reactance of the winding.
  59         self.x0 = x0
  60
  61         #: Zero sequence magnetizing branch susceptance.
  62         self.b0 = b0
  63
  64         self._Windings = []
  65         self.Windings = [] if Windings is None else Windings
  66
  67         super(WindingPiImpedance, self).__init__(*args, **kw_args)
  68
  69     _attrs = ["x", "g", "r0", "r", "b", "g0", "x0", "b0"]
  70     _attr_types = {"x": float, "g": float, "r0": float, "r": float, "b": float, "g0": float, "x0": float, "b0": float}
  71     _defaults = {"x": 0.0, "g": 0.0, "r0": 0.0, "r": 0.0, "b": 0.0, "g0": 0.0, "x0": 0.0, "b0": 0.0}
  72     _enums = {}
  73     _refs = ["Windings"]
  74     _many_refs = ["Windings"]
  75
  76     def getWindings(self):
  77         """All windings having this Pi impedance.
  78         """
  79         return self._Windings
  80
  81     def setWindings(self, value):
  82         for x in self._Windings:
  83             x.PiImpedance = None
  84         for y in value:
  85             y._PiImpedance = self
  86         self._Windings = value
  87
  88     Windings = property(getWindings, setWindings)
  89
  90     def addWindings(self, *Windings):
  91         for obj in Windings:
  92             obj.PiImpedance = self
  93
  94     def removeWindings(self, *Windings):
  95         for obj in Windings:
  96             obj.PiImpedance = None
  97