1 # Copyright (C) 2010 Richard Lincoln
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.
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.
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
17 from CIM14
.IEC61970
.Core
.Equipment
import Equipment
19 class TransformerBank(Equipment
):
20 """An assembly of transformers that are connected together. For three-phase transformers, there would be one transformer per bank. For banks of single-phase transformers, there will be more than one transformer per bank, and they need not be identical.
23 def __init__(self
, vectorGroup
='', Transformers
=None, *args
, **kw_args
):
24 """Initialises a new 'TransformerBank' instance.
26 @param vectorGroup: Vector group of the bank for protective relaying, e.g., Dyn1. For unbalanced transformers, this may not be simply determined from the constituent winding connections.
27 @param Transformers: All transformers that belong to this bank.
29 #: Vector group of the bank for protective relaying, e.g., Dyn1. For unbalanced transformers, this may not be simply determined from the constituent winding connections.
30 self
.vectorGroup
= vectorGroup
32 self
._Transformers
= []
33 self
.Transformers
= [] if Transformers
is None else Transformers
35 super(TransformerBank
, self
).__init
__(*args
, **kw_args
)
37 _attrs
= ["vectorGroup"]
38 _attr_types
= {"vectorGroup": str}
39 _defaults
= {"vectorGroup": ''}
41 _refs
= ["Transformers"]
42 _many_refs
= ["Transformers"]
44 def getTransformers(self
):
45 """All transformers that belong to this bank.
47 return self
._Transformers
49 def setTransformers(self
, value
):
50 for x
in self
._Transformers
:
51 x
.TransformerBank
= None
53 y
._TransformerBank
= self
54 self
._Transformers
= value
56 Transformers
= property(getTransformers
, setTransformers
)
58 def addTransformers(self
, *Transformers
):
59 for obj
in Transformers
:
60 obj
.TransformerBank
= self
62 def removeTransformers(self
, *Transformers
):
63 for obj
in Transformers
:
64 obj
.TransformerBank
= None