ABB REM615 ANSI Product Manual page 27

ABB
Motor Protection
REM615 ANSI
Product Version 2.0
Table 43. Negative phase-sequence current protection (46) main settings
Parameter
Pickup range
Time multiplier
Defi nite time delay
1)
Operating curve type
1)
For further reference please refer to the Operating characteristics table at the end of the Technical data chapter
Table 44. Loss of load supervision (37)
Characteristic
Operation Accuracy
Start time
Reset time
Reset ratio
Retardation time
Operate time accuracy in defi nite time mode
Table 45. Loss of load supervision (37) main settings
Parameter
Start value high
Start value low
Operate delay time
Operation
Table 46. Motor load jam protection (51LR)
Characteristic
Operation Accuracy
Reset time
Reset ratio
Retardation time
Operate time accuracy in defi nite time mode
Table 47. Motor load jam protection (51LR) main settings
Parameter
Operation
Start value
Operate delay time
Function Value (Range)
46 0.01...5.00 x I
46 0.05...15.00
46 40...200000 ms
46 Defi nite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 17, 18, 19
Value
Depending on the frequency of the current
measured: f ±2Hz
n
±1.5% of the set value or ±0.002 x I
Typical 300 ms
< 40 ms
Typical 0.96
< 35 ms
±1.0% of the set value or ±20 ms
Function Value (Range)
37 0.01...1.00 x I
37 0.01...0.50 x I
37 40...600000 ms
37 Off
On
Value
Depending on the frequency of the current
measured: f ±2Hz
n
±1.5% of the set value or ±0.002 x I
< 40 ms
Typical 0.96
< 35 ms
±1.0% of the set value or ±20 ms
Function Value (Range)
51LR Off
On
51LR 0.01...10.00 x I
51LR 100...120000 ms
1MAC251744 -PG Rev. A
Issued: 03.01.2010
Step
0.01
n
0.05
10
n
Step
0.01
n
0.01
n
10
-
n
Step
-
0.01
n
10
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