ABB Relion 650 Series Product Manual page 40

Transformer protection RET650
Version 1.1 ANSI
Table 31. Directional over/underpower protection GOPPDOP, GUPPDUP (32/37)
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%
Table 32. Negative sequence based overcurrent function DNSPTOC (46)
Function
Operate current
Reset ratio
Low voltage level for memory
Relay characteristic angle
Relay operate angle
Timers
Operate time, non-directional
Reset time, non-directional
Operate time, directional
Reset time, directional
Critical impulse time
Impulse margin time
Dynamic overreach
40
SEMOD175152-2 v4
Range or value
(0.0–500.0)% of SBase
SBase
(1.0-2.0)% of
(2.0-10)% of SBase
(-180.0–180.0) degrees
(0.010 - 6000.000) s
GUID-D69015D7-192B-45DE-A67A-96F582CF09C0 v3
Range or value
(2.0 - 5000.0) % of
> 95 %
(0.0 - 5.0) % of
(-180 - 180) degrees
(1 - 90) degrees
(0.00 - 6000.00) s
30 ms typically at 0 to 2 x I
20 ms typically at 0 to 10 x I
40 ms typically at 2 to 0 x I
30 ms typically at 0 to 2 x I
20 ms typically at 0 to 10 x I
40 ms typically at 2 to 0 x I
10 ms typically at 0 to 2 x I
2 ms typically at 0 to 10 x I
15 ms typically
< 10% at t = 300 ms
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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
IBase
VBase
set
set
set
set
set
set
set
set
1MRK 504 127-BUS B
Accuracy
± 1.0% of I at I <I
r n
± 1.0% of I at I > I
n
-
< ± 0.5% of V
n
± 2.0 degrees
± 2.0 degrees
± 0.5% ± 25 ms
-
-
-
-
-
-
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ABB Power Grids