ABB REG670 Product Manual page 75

Generator protection REG670 2.2 and Injection equipment REX060,
REX061, REX062
Product version: 2.2.1
Table 60. Pole discordance protection CCPDSC
Function
Operate current
Independent time delay
between trip condition and trip
signal
Table 61. Directional underpower protection GUPPDUP
Function
Power level
for Step 1 and Step 2
Characteristic angle
for Step 1 and Step 2
Independent time delay to operate for Step 1
and Step 2 at 2 x S to 0.5 x S
r
Table 62. Directional overpower protection GOPPDOP
Function
Power level
for Step 1 and Step 2
Characteristic angle
for Step 1 and Step 2
Operate time, start at 0.5 x S
k = 0.000
Reset time, start at 2 x S to 0.5 x S
r
k = 0.000
Independent time delay to operate for Step 1
and Step 2 at 0.5 x S to 2 x S
r
*) To achieve this accuracy for reverse power protection it is also recommended to apply settings
help to minimize the overall measurement error ensuring the best accuracy for this application.
ABB
Range or value
(0–100)% of IBase
(0.000-60.000) s
Range or value
(0.0–500.0)% of
(-180.0–180.0) degrees
(0.01-6000.00) s
and k = 0.000
r
Range or value
(0.0–500.0)% of SBase
When measuring transformer
inputs are used, the following
accuracy can be obtained for
low pickup settings which are
typical for reverse power
protection application:
(-180.0–180.0) degrees
to 2 x S and Min. =10 ms
r r
Max. = 25 ms
and Min. = 35 ms
r
Max. = 55 ms
(0.01-6000.00) s
and k = 0.000
r
M13279-1 v10
Accuracy
±1.0% of I
r
±0.2% or ± 30 ms whichever is greater
SEMOD175152-2 v11
Accuracy
SBase
±1.0% of S
±1.0% of S at S > S
where
=
S 1.732
r
±2.0 degrees
±0.2% or ±40 ms whichever is greater
SEMOD175159-2 v9
Accuracy
±1.0% of S
±1.0% of S at S > S
Start value P=0.5% of S
Pickup accuracy of ±0.20% of S
Start value P=0.2% of S
Pickup accuracy of ±0.15% of S
S
where
r
±2.0 degrees
±0.2% or ±40 ms whichever is greater
1MRK 502 074-BEN A
at S ≤ S
r r
r
× ×
U I
r r
at S ≤ S
r r
r
r
*)
r
r
*)
r
= × ×
1.732 U I
r r
k = 0.990 and Mode = PosSeq . These settings will
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