ABB REM 610 Technical Reference Manual page 51

1MRS 752263-MUM
Motor protection Relay
Technical Reference Manual
Table 4.1.4.13-4 Stage I>>
Feature
Set start value, I>>
• at definite-time characteristic
Start time, typical
Time/current characteristic
• definite time
operate time, t>>
Resetting time, typical/maximum
Retardation time
Drop-off/pick-up ratio, typical
Operate time accuracy at
definite-time characteristic
Operation accuracy
Table 4.1.4.13-5 Stage I<
Feature
Set start value, I<
• at definite-time characteristic
Start time, typical
Time/current characteristic
• definite time
operate time, t<
Resetting time, typical/maximum
Drop-off/pick-up ratio, typical
Inhibition of I<
Operate time accuracy at
definite-time characteristic
Operation accuracy
Table 4.1.4.13-6 Stage I
Feature
Set start value, I >
0
• at definite-time characteristic
Start time, typical
Time/current characteristic
• definite time
operate time, t >
0
Resetting time, typical/maximum
Retardation time
Drop-off/pick-up ratio, typical
3)
Value
0.50...20.0 x I
n
50 ms
0.05...30.0 s
40/50 ms
30 ms
0.96
±2% of the set
operate time or
±25 ms
±3% of the set
start value
3)
Value
30...80% I
n
300 ms
2...600 s
300/350 ms
1.1
<12% I
n
±3% of the set
operate time or
100 ms
±3% of the set
start value or
+0.5% I
n
3)
>
0
Value
1.0...100% I
n
50 ms
0.05...300 s
40/50 ms
30 ms
0.96
REM 610
51