1 # Copyright (C) 2010-2011 Richard Lincoln
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
6 # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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:
10 # The above copyright notice and this permission notice shall be included in
11 # all copies or substantial portions of the Software.
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
16 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 from CIM14
.IEC61970
.Core
.Equipment
import Equipment
23 class CurrentTransformer(Equipment
):
24 """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.
27 def __init__(self
, maxRatio
=0.0, accuracyClass
='', coreCount
=0, ctClass
='', usage
='', accuracyLimit
='', *args
, **kw_args
):
28 """Initialises a new 'CurrentTransformer' instance.
30 @param maxRatio: For multi-ratio CT's, the maximum permissable ratio attainable.
31 @param accuracyClass: CT accuracy classification.
32 @param coreCount: Number of cores.
33 @param ctClass: CT classification; i.e. class 10P.
34 @param usage: Intended usage of the CT; i.e. metering, protection.
35 @param accuracyLimit: Percent of rated current for which the CT remains accurate within specified limits.
37 #: For multi-ratio CT's, the maximum permissable ratio attainable.
38 self
.maxRatio
= maxRatio
40 #: CT accuracy classification.
41 self
.accuracyClass
= accuracyClass
44 self
.coreCount
= coreCount
46 #: CT classification; i.e. class 10P.
47 self
.ctClass
= ctClass
49 #: Intended usage of the CT; i.e. metering, protection.
52 #: Percent of rated current for which the CT remains accurate within specified limits.
53 self
.accuracyLimit
= accuracyLimit
55 super(CurrentTransformer
, self
).__init
__(*args
, **kw_args
)
57 _attrs
= ["maxRatio", "accuracyClass", "coreCount", "ctClass", "usage", "accuracyLimit"]
58 _attr_types
= {"maxRatio": float, "accuracyClass": str, "coreCount": int, "ctClass": str, "usage": str, "accuracyLimit": str}
59 _defaults
= {"maxRatio": 0.0, "accuracyClass": '', "coreCount": 0, "ctClass": '', "usage": '', "accuracyLimit": ''}