ABB REC670 Product Manual page 44

Bay control REC670
Pre-configured
Product version: 1.1
Differential protection
Table 25. High impedance differential protection (PDIF, 87)
Function
Operate voltage
Reset ratio
Maximum continuous voltage U>TripPickup
Operate time
Reset time
Critical impulse time
Current protection
Table 26. Instantaneous phase overcurrent protection PHPIOC
Function
Operate current
Reset ratio
Operate time
Reset time
Critical impulse time
Operate time
Reset time
Critical impulse time
Dynamic overreach
44
Range or value
(20-400) V
>95%
2
/series resistor
≤200 W
10 ms typically at 0 to 10 x U
90 ms typically at 10 to 0 x U
2 ms typically at 0 to 10 x U
Range or value
(1-2500)% of lBase
> 95%
25 ms typically at 0 to 2 x I
25 ms typically at 2 to 0 x I
10 ms typically at 0 to 2 x I
10 ms typically at 0 to 10 x I
35 ms typically at 10 to 0 x I
2 ms typically at 0 to 10 x I
< 5% at t = 100 ms
1MRK 511 192-BEN B
Issued: June 2010
Accuracy
± 1.0% of U
r
± 1.0% of U for U > U
-
-
-
d
-
d
-
d
Accuracy
± 1.0% of I at I £ I
r
± 1.0% of I at I > I
-
-
set
-
set
-
set
-
set
-
set
-
set
-
for U < U
r
r
r
r
ABB