Table 30. 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 31. 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)
(1.0-2.0)% of
SBase
< ± 50% of set value
2)
(2.0-10)% of
SBase
< ± 20% of set value
3)
Characteristic angle
(-180.0–180.0) degrees
2 degrees
Timers
(0.010 - 6000.000) s
± 0.5% ± 25 ms
1)
Accuracy valid for 50 Hz. At 60 Hz both accuracies are ±2.0%
2)
Accuracy valid for 50 Hz. At 60 Hz the accuracy is -50/+100%
3)
Accuracy valid for 50 Hz. At 60 Hz the accuracy is ±40%
Transformer protection RET650
1MRK 504 127-BEN -
Product version: 1.1
Issued: February 2011
ABB
55