Table 36. Breaker failure protection 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
10 ms typically
-
Reset time for current detection
15 ms maximum
-
Table 37. Pole discordance protection CCRPLD
Function
Range or value
Accuracy
Operate current
(0–100)% of
IBase
± 1.0% of I
r
Time delay
(0.000-60.000) s
± 0.5% ± 10 ms
Table 38. Directional underpower protection GUPPDUP
Function
Range or value
Accuracy
Power level
(0.0–500.0)% of
SBase
At low setting:
(0.5-2.0)% of
SBase
(2.0-10)% of
SBase
± 1.0% of S
r
at S < S
r
± 1.0% of S at S > S
r
< ± 50% of set value
< ± 20% of set value
Characteristic angle
(-180.0–180.0) degrees
2 degrees
Timers
(0.00-6000.00) s
± 0.5% ± 10 ms
Table 39. Directional overpower protection GOPPDOP
Function
Range or value
Accuracy
Power level
(0.0–500.0)% of S
base
At low setting:
(0.5-2.0)% of S
base
(2.0-10)% of S
base
± 1.0% of S
r
at S < S
r
± 1.0% of S at S > S
r
<
±
50% of set value
<
±
20% of set value
Characteristic angle
(-180.0–180.0) degrees
2 degrees
Timers
(0.00-6000.00) s
± 0.5% ± 10 ms
Bay control REC670
1MRK511232-BEN E
Pre-configured
Product version: 1.2
44
ABB