ABB Relion 670 Series Product Manual page 69

Line differential protection RED670 2.0
Product version: 2.0
Table 50. Stub protection STBPTOC
Function
Operating current
Reset ratio
Independent time delay at 0 to 2 x I
Operate time, start at 0 to 2 x I
Reset time, start at 2 to 0 x I
Critical impulse time
Impulse margin time
Table 51. Pole discordance protection CCPDSC
Function
Operate current
Independent time delay between
trip condition and trip signal
Table 52. 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 to 0.5 x S and
r
Table 53. 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 to 2 x S
Reset time, start at 2 to 0.5 x S
Independent time delay to operate for Step 1
and Step 2 at 0.5 to 2 x S and
r
ABB
set
set
set
Range or value
IBase
(0–100)% of
(0.000-60.000) s
Range or value
(0.0–500.0)% of
(-180.0–180.0) degrees
(0.01-6000.00) s
k = 0.000
Range or value
(0.0–500.0)% of SBase
(-180.0–180.0) degrees
k = 0.000
and Min. =10 ms
r
Max. = 25 ms
and k = 0.000 Min. = 35 ms
r
Max. = 55 ms
(0.01-6000.00) s
k = 0.000
Range or value
(5-2500)% of IBase
IBase
> 95% at (50-2500)% of
(0.000-60.000) s
Min. = 10 ms
Max. = 20 ms
Min. = 10 ms
Max. = 20 ms
10 ms typically at 0 to 2 x I
set
15 ms typically
Accuracy
±1.0% of I
r
±0.2% or ± 25 ms whichever is greater
SBase
1MRK505310-BEN C
Accuracy
± 1.0% of I at I ≤ I
r
± 1.0% of I at I > I
-
±0.2% or ±30 ms whichever is
greater
-
-
-
-
Accuracy
± 1.0% of S at S ≤ S
r r
± 1.0% of S at S > S
r
where
= × ×
S 1.732 U I
r r r
± 2.0 degrees
± 0.2% or ± 40 ms whichever is greater
Accuracy
±1.0% of S at S ≤ S
r r
±1.0% of S at S > S
r
±2.0 degrees
±0.2% or ±40 ms whichever is greater
r
r
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