ABB REF 610 Technical Reference Manual page 56

REF 610
56
Feeder Protection Relay
Technical Reference Manual
1)
Table 4.1.4.10-11SG2
Switch Function
SG2/1 Blocking of tripping of stage I> at shot 1
SG2/2 Blocking of tripping of stage I>> at shot 1
SG2/3 Blocking of tripping of stage I>>> at shot 1
SG2/4 Blocking of tripping of stage I
SG2/5 Blocking of tripping of stage I
SG2/6 Blocking of tripping of stage I> at shots 2 and 3
SG2/7 Blocking of tripping of stage I>> at shots 2 and 3
SG2/8 Blocking of tripping of stage I>>> at shots 2 and 3
SG2/9 Blocking of tripping of stage I
SG2/10 Blocking of tripping of stage I
• When the switch is in position 1, the stage is blocked.
ΣSG2
1)
The blocking is active until the set cutout time or the set reclaim time elapses or the AR function is
locked out.
Table 4.1.4.10-12SG3
Switch Function
SG3/1 Inhibition of the AR function by the trip signal from stage
I>>>
SG3/2 Inhibition of the AR function by the trip signal from stage
I >>
0
SG3/3 Inhibition of the AR function by the alarm signal from stage
θ>
SG3/4 Inhibition of the AR function by the trip signal from stage
∆I>
• When the switch is in position 1, the AR function is
inhibited.
SG3/5 Resetting indications at CB reclosing
• When the switch is in position 1, indications are reset
when the AR function issues a reclosing command to the
circuit breaker.
ΣSG3
New trip indication timer
The new trip indication timer can be configured to allow a second trip indication on
the LCD. When several protection stages trip, the first trip indication will be
displayed until the time, as specified by the NEW TRIP IND. setting value, has
expired. After this, a new trip indication can displace the old one. The basic
protection functions are not affected by the NEW TRIP IND. setting.
Table 4.1.4.10-13 New trip indication timer
Setting Description
New trip indication New trip indication timer in minutes
No new trip indication allowed until the
previous one has been manually cleared.
> at shot 1
0
>> at shot 1
0
> at shots 2 and 3
0
>> at shots 2 and 3
0
Setting
range
0...998
999
1MRS 755310
Default setting
0
0
0
0
0
0
0
0
0
0
0
0
Default setting
1
1
1
1
0
15
Default
setting
60