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
.Protection
.ProtectionEquipment
import ProtectionEquipment
19 class CurrentRelay(ProtectionEquipment
):
20 """A device that checks current flow values in any direction or designated direction
23 def __init__(self
, currentLimit1
=0.0, timeDelay3
=0.0, timeDelay2
=0.0, currentLimit3
=0.0, currentLimit2
=0.0, inverseTimeFlag
=False, timeDelay1
=0.0, *args
, **kw_args
):
24 """Initialises a new 'CurrentRelay' instance.
26 @param currentLimit1: Current limit #1 for inverse time pickup
27 @param timeDelay3: Inverse time delay #3 for current limit #3
28 @param timeDelay2: Inverse time delay #2 for current limit #2
29 @param currentLimit3: Current limit #3 for inverse time pickup
30 @param currentLimit2: Current limit #2 for inverse time pickup
31 @param inverseTimeFlag: Set true if the current relay has inverse time characteristic.
32 @param timeDelay1: Inverse time delay #1 for current limit #1
34 #: Current limit #1 for inverse time pickup
35 self
.currentLimit1
= currentLimit1
37 #: Inverse time delay #3 for current limit #3
38 self
.timeDelay3
= timeDelay3
40 #: Inverse time delay #2 for current limit #2
41 self
.timeDelay2
= timeDelay2
43 #: Current limit #3 for inverse time pickup
44 self
.currentLimit3
= currentLimit3
46 #: Current limit #2 for inverse time pickup
47 self
.currentLimit2
= currentLimit2
49 #: Set true if the current relay has inverse time characteristic.
50 self
.inverseTimeFlag
= inverseTimeFlag
52 #: Inverse time delay #1 for current limit #1
53 self
.timeDelay1
= timeDelay1
55 super(CurrentRelay
, self
).__init
__(*args
, **kw_args
)
57 _attrs
= ["currentLimit1", "timeDelay3", "timeDelay2", "currentLimit3", "currentLimit2", "inverseTimeFlag", "timeDelay1"]
58 _attr_types
= {"currentLimit1": float, "timeDelay3": float, "timeDelay2": float, "currentLimit3": float, "currentLimit2": float, "inverseTimeFlag": bool, "timeDelay1": float}
59 _defaults
= {"currentLimit1": 0.0, "timeDelay3": 0.0, "timeDelay2": 0.0, "currentLimit3": 0.0, "currentLimit2": 0.0, "inverseTimeFlag": False, "timeDelay1": 0.0}