14.Technical Data On Protection Functions - ABB REM 610 Technical Reference Manual

1MRS 755537
4.1.4.13.
Motor protection Relay
Technical Reference Manual
Technical data on protection functions
Table 4.1.4.13-1 Element 49
Feature
Set safe stall time, t
6x
Set ambient temperature, T
Set restart disable level, 49 RESTDIS
Set prior alarm level, 49 ALARM
Trip level
Time constant multiplier, K
Weighting factor, p
Operate time accuracy
• >1.2 x FLA
Table 4.1.4.13-2 Element 48/14
Feature
Set pickup value, 48/14 PICKUP
• at definite-time characteristic
Pickup time, typical
Time/current characteristic
• definite-time
operate time, 48/14 TDLY
Resetting time, typical/maximum
Retardation time
Drop-off/pick-up ratio, typical
Operate time accuracy at definite time
characteristic
Operation accuracy
Table 4.1.4.13-3 Element (
Feature
Set start-up current for motor, 48/14
PICKUP
Pickup time, typical
• at pickup criterion I >48/14 PICKUP
P
Set start-up time for motor, 48/14 TDLY
Resetting time, typical/maximum
Drop-off/pick-up ratio, typical
• at pickup criterion I >48/14 PICKUP
P
Operation accuracy
Shortest possible operate time
Value
2.0...120 s
0...70°C
amb
20...80%
50...100%
100%
1...64
c
20...100%
±5% of the set
operate time or ±1 s
2)
Value
1.00...10.0 x FLA
55 ms
0.30...80.0 s
35/50 ms
30 ms
0.96
±2% of the set
operate time or
±25 ms
±3% of the set
pickup value
2
48/14 PICKUP) x (48/14 TDLY)
Value
1.00...10.0 x FLA
100 ms
0.30...80.0 s
180/250 ms
0.96
±10% of the
calculated operate
time ±0.2%
300 ms
REM 610
1)
2)
51