ABB Relion 650 series RET650 Product Manual page 55

ABB
Transformer protection RET650
Product version: 1.1
Table 30. Pole discordance protection CCRPLD
Function
Operate value, current
asymmetry level
Reset ratio
Time delay
Table 31. Directional over/underpower protection GOPPDOP, GUPPDUP
Function
Power level
Characteristic angle
Timers
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%
Range or value
(0-100) %
>95%
(0.000-60.000) s
Range or value
(0.0–500.0)% of SBase
(1.0-2.0)% of SBase
(2.0-10)% of SBase
(-180.0–180.0) degrees
(0.010 - 6000.000) s
1MRK 504 127-BEN -
Issued: February 2011
Accuracy
± 1.0% of I
r
-
± 0.5% ± 25 ms
Accuracy
± 1.0% of S at S < S
r r
1)
± 1.0% of S at S > S
r
2)
< ± 50% of set value
3)
< ± 20% of set value
2 degrees
± 0.5% ± 25 ms
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