Table 34. Directional over/underpower protection GOPPDOP, GUPPDUP (32/37)
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%
Table 35. Negative sequence based overcurrent function DNSPTOC (46)
Function
Range or value
Accuracy
Operate current
(2.0 - 5000.0) % of
IBase
± 1.0% of I
r
at I <I
n
± 1.0% of I at I > I
n
Reset ratio
> 95 %
-
Low voltage level for memory
(0.0 - 5.0) % of
VBase
< ± 0.5% of V
n
Relay characteristic angle
(-180 - 180) degrees
± 2.0 degrees
Relay operate angle
(1 - 90) degrees
± 2.0 degrees
Timers
(0.00 - 6000.00) s
± 0.5% ± 25 ms
Operate time, non-directional
30 ms typically at 0 to 2 x I
set
20 ms typically at 0 to 10 x I
set
-
Reset time, non-directional
40 ms typically at 2 to 0 x I
set
-
Operate time, directional
30 ms typically at 0 to 2 x I
set
20 ms typically at 0 to 10 x I
set
-
Reset time, directional
40 ms typically at 2 to 0 x I
set
-
Critical impulse time
10 ms typically at 0 to 2 x I
set
2 ms typically at 0 to 10 x I
set
-
Impulse margin time
15 ms typically
-
Dynamic overreach
< 10% at t = 300 ms
-
Breaker protection REQ650 ANSI
1MRK 505 269-BUS -
Product version: 1.1
Issued: April 2011
64
ABB
