ABB RET670 Product Manual page 62

Transformer protection RET670
Customized
Product version: 1.2
Table 49. Breaker failure protection CCRBRF
Function
Operate phase current
Reset ratio, phase current
Operate residual current
Reset ratio, residual current
Phase current level for blocking of
contact function
Reset ratio
Timers
Operate time for current detection
Reset time for current detection
Table 50. Pole discordance protection CCRPLD
Function
Operate current
Time delay
Table 51. Directional underpower protection GUPPDUP
Function
Power level
Characteristic angle
Timers
Table 52. Directional overpower protection GOPPDOP
Function
Power level
Characteristic angle
Timers
62
Range or value
(5-200)% of lBase
> 95%
lBase
(2-200)% of
> 95%
lBase
(5-200)% of
> 95%
(0.000-60.000) s
10 ms typically
15 ms maximum
Range or value
IBase
(0–100)% of
(0.000-60.000) s
Range or value
SBase
(0.0–500.0)% of
At low setting:
SBase
(0.5-2.0)% of
(2.0-10)% of SBase
(-180.0–180.0) degrees
(0.00-6000.00) s
Range or value
(0.0–500.0)% of S
base
At low setting:
(0.5-2.0)% of S
base
(2.0-10)% of S
base
(-180.0–180.0) degrees
(0.00-6000.00) s
1MRK 504 117-BEN D
Accuracy
± 1.0% of I at I £ I
r
± 1.0% of I at I > I
-
± 1.0% of I at I £ I
r
± 1.0% of I at I > I
-
± 1.0% of I at I £ I
r
± 1.0% of I at I > I
-
± 0.5% ±10 ms
-
-
Accuracy
± 1.0% of I
r
± 0.5% ± 10 ms
Accuracy
± 1.0% of S at S < S
r r
± 1.0% of S at S > S
r
< ± 50% of set value
< ± 20% of set value
2 degrees
± 0.5% ± 10 ms
Accuracy
± 1.0% of S at S < S
r r
± 1.0% of S at S > S
r
< ± 50% of set value
< ± 20% of set value
2 degrees
± 0.5% ± 10 ms
r
r
r
r
r
r
ABB