Table 76. Directional overpower protection (DOPPDPR)
Characteristic Value
Operation accuracy Depending on the frequency of the current
and voltage measured f=fn ±2 Hz
±3% of the set value or ±0.002 x Sn
Start time
1)2)
Typical 20 ms (±15ms)
Reset time < 40 ms
Reset ratio Typical 0.94
Retardation time < 45 ms
Operate time accuracy ±1.0% of the set value of ±20 ms
1) U = Un, Fn = 50Hz, results based on statistical distribution of 1000 measurements.
2) Includes the delay of the signal output contact.
Table 77. Directional overpower protection (DOPPDPR) main settings
Parameter
Function Values (Range) Step
Directional mode DOPPDPR Forward
Reverse
-
Start value DOPPDPR 0.01 - 2.00 0.01
Power angle DOPPDPR -90.00 - 90.00 0.01
Operate delay time DOPPDPR 0.04 - 300.00 0.01
Table 78. Circuit breaker failure protection (CCBRBRF)
Characteristic
Value
Operation accuracy At the frequency f = f
n
±1.5% of the set value or ±0.002 × I
n
Operate time accuracy ±1.0% of the set value or ±30 ms
Motor Protection and Control 1MRS756977 D
REM630
Product version: 1.1 Issued: 2011-05-18
48 ABB
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