schemata/CIM14/IEC61970/StateVariables/SvTapStep.py

   1 # Copyright (C) 2010 Richard Lincoln
   2 #
   3 # This library is free software; you can redistribute it and/or
   4 # modify it under the terms of the GNU Lesser General Public
   5 # License as published by the Free Software Foundation; either
   6 # version 2.1 of the License, or (at your option) any later version.
   7 #
   8 # This library is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11 # Lesser General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU Lesser General Public
  14 # License along with this library; if not, write to the Free Software
  15 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA, USA
  16
  17 from CIM14.IEC61970.StateVariables.StateVariable import StateVariable
  18
  19 class SvTapStep(StateVariable):
  20     """State variable for transformer tap step.     This class is to be used for taps of LTC (load tap changing) transformers, not fixed tap transformers.  Normally a profile specifies only one of the attributes 'position'or 'tapRatio'.
  21     """
  22
  23     def __init__(self, continuousPosition=0.0, position=0, TapChanger=None, *args, **kw_args):
  24         """Initialises a new 'SvTapStep' instance.
  25
  26         @param continuousPosition: The floating point tap position.
  27         @param position: The integer tap position.
  28         @param TapChanger: The tap changer associated with the tap step state.
  29         """
  30         #: The floating point tap position.
  31         self.continuousPosition = continuousPosition
  32
  33         #: The integer tap position.
  34         self.position = position
  35
  36         self._TapChanger = None
  37         self.TapChanger = TapChanger
  38
  39         super(SvTapStep, self).__init__(*args, **kw_args)
  40
  41     _attrs = ["continuousPosition", "position"]
  42     _attr_types = {"continuousPosition": float, "position": int}
  43     _defaults = {"continuousPosition": 0.0, "position": 0}
  44     _enums = {}
  45     _refs = ["TapChanger"]
  46     _many_refs = []
  47
  48     def getTapChanger(self):
  49         """The tap changer associated with the tap step state.
  50         """
  51         return self._TapChanger
  52
  53     def setTapChanger(self, value):
  54         if self._TapChanger is not None:
  55             self._TapChanger._SvTapStep = None
  56
  57         self._TapChanger = value
  58         if self._TapChanger is not None:
  59             self._TapChanger._SvTapStep = self
  60
  61     TapChanger = property(getTapChanger, setTapChanger)
  62