67
Switch Function Default setting
SGL1...8/23 Disturbance recorder triggered 0
ΣSGL1...SGL8 0
Auto-reclose SG1...SG3
Switchgroup SG1 is used for blocking the initiation of one or several auto-reclose
shots, SG2 for blocking of protection elements at one or several auto-reclose shots,
and SG3 for disabling the AR function as follows:
Table 5.1.4.10.-10 SG1
Switch Function Default setting
SG1/1 Blocking of initiation of shot 1 by the trip signal from element 50P-1 0
SG1/2 Blocking of initiation of shot 1 by the external AR initiation signal 0
SG1/3 Blocking of initiation of shot 1 by the trip or delayed pickup signal from element
51P
0
SG1/4 Blocking of initiation of shot 1 by the trip or delayed pickup signal from element
51N or the trip signal from element 50N
0
SG1/5 Blocking of initiation of shot 2 and 3 by the trip signal from element 50P-1 0
SG1/6 Blocking of initiation of shot 2 and 3 by the external AR initiation signal 0
SG1/7 Blocking of initiation of shot 2 and 3 by the trip or delayed pickup signal from
element 51P
0
SG1/8 Blocking of initiation of shot 2 and 3 by the trip or delayed pickup signal from
element 51N or the trip signal from element 50N
0
*
When the switch is in position 1, shot initiation is blocked.
ΣSG1 0
Table 5.1.4.10.-11 SG2
Switch Function
a)
Default setting
SG2/1 Blocking of tripping of element 51P at shot 1 0
SG2/2 Blocking of tripping of element 50P-1 at shot 1 0
SG2/3 Blocking of tripping of element 50P-2 at shot 1 0
SG2/4 Blocking of tripping of element 51N at shot 1 0
SG2/5 Blocking of tripping of element 50N at shot 1 0
SG2/6 Blocking of tripping of element 51P at shots 2 and 3 0
SG2/7 Blocking of tripping of element 50P-1 at shots 2 and 3 0
SG2/8 Blocking of tripping of element 50P-2 at shots 2 and 3 0
SG2/9 Blocking of tripping of element 51N at shots 2 and 3 0
SG2/10 Blocking of tripping of element 50N at shots 2 and 3 0
*
When the switch is in position 1, the element is blocked. 0
ΣSG2 0
a)
The blocking is active until the set cutout time or the set reclaim time elapses or the AR function is locked out.
Feeder Protection Relay
Technical Reference Manual - ANSI Version
REF610REF610
1MRS755535
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