ABB REM 610 Technical Reference Manual page 60

REM 610 REM 610
60
Motor Protection Relay
Technical Reference Manual - ANSI Version
Feature
Resetting time, typical/maximum
Retardation time
Drop-off/pick-up ratio, typical
Operate time accuracy at definite-time
characteristic
Operation accuracy
Table 5.1.4.13.-5 Element 37
Feature
Set pickup value, 51P
at definite-time characteristic
*
pickup time, typical
Time/current characteristic
definite time operate time, 27P-1 TDLY
*
Resetting time, typical/maximum
Drop-off/pick-up ratio, typical
Disable of 37
Operate time accuracy at
definite-time characteristic
*
Operation accuracy
Table 5.1.4.13.-6 Element 51N
Feature
Set pickup value, 51N
at definite-time characteristic
*
Pickup time, typical
Time/current characteristic
definite time operate time, 51N TDLY
*
Resetting time, typical/maximum
Retardation time
Drop-off/pick-up ratio, typical
Operate time accuracy at definite-time
characteristic
Operation accuracy
1.0...10.0% I CT
*
n
10.0...100% I CT
*
n
Table 5.1.4.13.-7 Element 46
Feature
Set pickup value, 46
at IDMT characteristic
*
Pickup time, typical
Time/current characteristic
IDMT time constant, 46 TDIAL
*
Resetting time, typical/maximum
Value
40/50 ms
30 ms
0.96
±2% of the set operate time or ±25 ms
±3% of the set pickup value
Value
30...80% FLA
300 ms
2...600 s
300/350 ms
1.1
<12% FLA
±3% of the set operate time or 100 ms
±3% of the set pickup value or +0.5% FLA
Value
1.0...100% I CT
n
50 ms
0.05...300 s
40/50 ms
30 ms
0.96
±2% of the set operate time or ±25 ms
±5% of the set pickup value
±3% of the set pickup value
Value
0.10...0.50 x FLA
100 ms
5...100
130/200 ms
1MRS755537