Table 36. Breaker failure protection, 3-phase activation and output CCRBRF
Function Range or value Accuracy
Operate phase current (5-200)% of
lBase
± 1.0% of I
r
at I £ I
r
± 1.0% of I at I > I
r
Reset ratio, phase current > 95% -
Operate residual current (2-200)% of
lBase
± 1.0% of I
r
at I £ I
r
± 1.0% of I at I > I
r
Reset ratio, residual current > 95% -
Phase current level for blocking of contact function (5-200)% of
lBase
± 1.0% of I
r
at I £ I
r
± 1.0% of I at I > I
r
Reset ratio > 95% -
Timers (0.000-60.000) s
± 0.5% ±10 ms
Operate time for current detection 20 ms typically -
Reset time for current detection 10 ms maximum -
Table 37. Pole discordance protection CCRPLD
Function
Range or value Accuracy
Operate value, current
asymmetry level
(0-100) % ± 1.0% of I
r
Reset ratio >95% -
Time delay (0.000-60.000) s ± 0.5% ± 25 ms
Table 38. Directional over/underpower protection GOPPDOP, GUPPDUP
Function
Range or value Accuracy
Power level (0.0–500.0)% of
SBase
± 1.0% of S
r
at S < S
r
± 1.0% of S at S > S
r
(1.0-2.0)% of
SBase
< ± 50% of set value
(2.0-10)% of
SBase
< ± 20% of set value
Characteristic angle (-180.0–180.0) degrees 2 degrees
Timers (0.010 - 6000.000) s ± 0.5% ± 25 ms
Generator protection REG650
1MRK 502 050-BEN B
Product version: 1.3
46 ABB