schemata/CIM14/IEC61970/Meas/CurrentTransformer.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.Core.Equipment import Equipment
  18
  19 class CurrentTransformer(Equipment):
  20     """Instrument transformer used to measure electrical qualities of the circuit that is being protected and/or monitored. Typically used as current transducer for the purpose of metering or protection. A typical secondary current rating would be 5A.
  21     """
  22
  23     def __init__(self, maxRatio=0.0, accuracyClass='', coreCount=0, ctClass='', usage='', accuracyLimit='', *args, **kw_args):
  24         """Initialises a new 'CurrentTransformer' instance.
  25
  26         @param maxRatio: For multi-ratio CT's, the maximum permissable ratio attainable.
  27         @param accuracyClass: CT accuracy classification.
  28         @param coreCount: Number of cores.
  29         @param ctClass: CT classification; i.e. class 10P.
  30         @param usage: Intended usage of the CT; i.e. metering, protection.
  31         @param accuracyLimit: Percent of rated current for which the CT remains accurate within specified limits.
  32         """
  33         #: For multi-ratio CT's, the maximum permissable ratio attainable.
  34         self.maxRatio = maxRatio
  35
  36         #: CT accuracy classification.
  37         self.accuracyClass = accuracyClass
  38
  39         #: Number of cores.
  40         self.coreCount = coreCount
  41
  42         #: CT classification; i.e. class 10P.
  43         self.ctClass = ctClass
  44
  45         #: Intended usage of the CT; i.e. metering, protection.
  46         self.usage = usage
  47
  48         #: Percent of rated current for which the CT remains accurate within specified limits.
  49         self.accuracyLimit = accuracyLimit
  50
  51         super(CurrentTransformer, self).__init__(*args, **kw_args)
  52
  53     _attrs = ["maxRatio", "accuracyClass", "coreCount", "ctClass", "usage", "accuracyLimit"]
  54     _attr_types = {"maxRatio": float, "accuracyClass": str, "coreCount": int, "ctClass": str, "usage": str, "accuracyLimit": str}
  55     _defaults = {"maxRatio": 0.0, "accuracyClass": '', "coreCount": 0, "ctClass": '', "usage": '', "accuracyLimit": ''}
  56     _enums = {}
  57     _refs = []
  58     _many_refs = []
  59