ABB REG650 Product Manual page 40

Generator protection REG650
Product version: 1.3
Table 25. 1Ph High impedance differential protection HZPDIF
Function
Operate voltage
Reset ratio
Maximum continuous power
Operate time
Reset time
Critical impulse time
Table 26. Generator differential protection GENPDIF
Function
Unrestrained differential current limit
Reset ratio
Base sensitivity function
Negative sequence current level
Operate time, restrained function
Reset time, restrained function
Operate time, unrestrained function
Reset time, unrestrained function
Operate time, negative sequence
unrestrained function
Critical impulse time, unrestrained function
40
Range or value
(20-400) V
I=U/R
>95%
2
U>Trip /SeriesResistor ≤200 W
10 ms typically at 0 to 10 x U
100 ms typically at 10 to 0 x U
2 ms typically at 0 to 10 x U
Range or value Accuracy
(1-50)p.u. of IBase ± 1.0% of set value
> 90% -
(0.10–1.00)p.u. of IBase ± 1.0% of I
IBase
(0.02–0.4)p.u. of ± 1.0% of I
40 ms typically at 0 to 2 x -
set level
40 ms typically at 2 to 0 x -
set level
20 ms typically at 0 to 5 x -
set level
40 ms typically at 5 to 0 x -
set level
15 ms typically at 0 to 5 x -
set level
3 ms typically at 0 to 5 x -
set level
Accuracy
± 1.0% of I
-
-
-
d
-
d
-
d
r
r
1MRK 502 050-BEN B
r
ABB