ABB REF 610 Technical Reference Manual page 56

REF 610
56
Feeder Protection Relay
Technical Reference Manual - ANSI Version
1)
Table 4.1.4.10-11SG2
Switch Function
SG2/1 Blocking of tripping of element 51P at shot 1
SG2/2 Blocking of tripping of element 50P-1 at shot 1
SG2/3 Blocking of tripping of element 50P-2 at shot 1
SG2/4 Blocking of tripping of element 51N at shot 1
SG2/5 Blocking of tripping of element 50N at shot 1
SG2/6 Blocking of tripping of element 51P at shots 2 and 3
SG2/7 Blocking of tripping of element 50P-1 at shots 2 and 3
SG2/8 Blocking of tripping of element 50P-2 at shots 2 and 3
SG2/9 Blocking of tripping of element 51N at shots 2 and 3
SG2/10 Blocking of tripping of element 50N at shots 2 and 3
• When the switch is in position 1, the element 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 Disable of the AR function by the trip signal from element 50P-2
SG3/2 Disable of the AR function by the trip signal from element 50N
SG3/3 Disable of the AR function by the alarm signal from element 49
SG3/4 Disable of the AR function by the trip signal from element 46
• When the switch is in position 1, the AR function is disabled.
SG3/5 Resetting targets at CB reclosing
• When the switch is in position 1, targets are reset when the AR
function issues a reclosing command to the circuit breaker.
ΣSG3
New trip target timer
The new trip target timer can be configured to allow a second trip target on the LCD.
When several protection elements trip, the first trip target will be displayed until the
time, as specified by the NEW TRIP IND. setting value, has expired. After this,
a new trip target 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 target timer
Setting Description
New trip target New trip target timer in minutes
No new trip target allowed until the previous
one has been manually cleared.
1MRS 755535
Default setting
0
0
0
0
0
0
0
0
0
0
0
0
Default setting
1
1
1
1
0
15
Setting Default
range setting
0...998 60
999