ABB RELION 670 SERIES REG670, Руководство по эксплуатации продукта

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M13279-1 v9
Table 57. Pole discordance protection CCPDSC
Function Range or value Accuracy
Operate current (0–100)% of
IBase
±1.0% of I
r
Independent time delay
between trip condition and trip
signal (0.000-60.000) s ±0.2% or ± 25 ms whichever is greater
SEMOD175152-2 v10
Table 58. Directional underpower protection GUPPDUP
Function Range or value Accuracy
Power level
for Step 1 and Step 2 (0.0–500.0)% of
SBase
±1.0% of S
r
at S ≤ S
r
±1.0% of S at S > S
r
where
1.732
r r r
S U I
= × ×
Characteristic angle
for Step 1 and Step 2 (-180.0–180.0) degrees ±2.0 degrees
Independent time delay to operate for Step 1
and Step 2 at 2 to 0.5 x S
r
and
k=0.000
(0.01-6000.00) s ±0.2% or ±40 ms whichever is greater
SEMOD175159-2 v8
Table 59. Directional overpower protection GOPPDOP
Function Range or value Accuracy
Power level
for Step 1 and Step 2 (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: ±1.0% of S
r
at S ≤ S
r
±1.0% of S at S > S
r
Start value P=0.5% of S
r
Pickup accuracy of ±0.20% of S
r
*)
Start value P=0.2% of S
r
Pickup accuracy of ±0.15% of S
r
*)
where
1.732
r r r
S U I
= × ×
Characteristic angle
for Step 1 and Step 2 (-180.0–180.0) degrees ±2.0 degrees
Operate time, start at 0.5 to 2 x S
r
and k=0.000 Min. =10 ms
Max. = 25 ms
Reset time, start at 2 to 0.5 x S
r
and k=0.000 Min. = 35 ms
Max. = 55 ms
Independent time delay to operate for Step 1
and Step 2 at 0.5 to 2 x S
r
and
k=0.000
(0.01-6000.00) s ±0.2% or ±40 ms whichever is greater
*) To achieve this accuracy for reverse power protection it is also recommended to apply settings
k=0.990 and Mode=PosSeq. These settings will
help to minimize the overall measurement error ensuring the best accuracy for this application.
1MRK 502 068-BEN D
Generator protection REG670 2.1 IEC
Product version: 2.1
ABB 67