ABB RELION REL670, Руководство по эксплуатации продукта

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Table 58. Stub protection STBPTOC
Function Range or value Accuracy
Operating current (5-2500)% of
IBase
±
1.0% of I
r
at I ≤ I
r
± 1.0% of I at I > I
r
Reset ratio > 95% at (50-2500)% of IBase -
Independent time delay at 0 to 2 x I
set
(0.000-60.000) s ± 0.2% or ± 30 ms whichever is greater
Operate time, start at 0 to 2 x I
set
Min. = 10 ms
Max. = 20 ms -
Reset time, start at 2 x I
set
to 0 Min. = 10 ms
Max. = 20 ms -
Critical impulse time 10 ms typically at 0 to 2 x I
set
-
Impulse margin time 15 ms typically -
Table 59. 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 ± 30 ms whichever is greater
Table 60. 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 x S
r
to 0.5 x S
r
and
k=0.000
(0.01-6000.00) s ±0.2% or ±40 ms whichever is greater
Table 61. Directional overpower protection GOPPDOP
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
Characteristic angle
for Step 1 and Step 2 (-180.0–180.0) degrees ±2.0 degrees
Operate time, start at 0.5 x S
r
to 2 x S
r
and
k=0.000
Min. =10 ms
Max. = 25 ms
Reset time, start at 2 x S
r
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 x S
r
to 2 x S
r
and
k=0.000
(0.01-6000.00) s ±0.2% or ±40 ms whichever is greater
1MRK 506 372-BEN -
Line distance protection REL670 2.2
Product version: 2.2
80 ABB