ABB Relion REL650 Series Product Manual page 56

Line distance protection REL650
Version 2.2
Current protection
Table 33. Instantaneous phase overcurrent protection, 3-phase output PHPIOC
Function
Operate current
Reset ratio
Critical impulse time
Critical impulse time
Dynamic overreach
56
M12336-1 v14
Range or value
(5-2500)% of lBase
> 95% at (50–2500)% of IBase
10 ms typically at 0 to 2 x I
set
2 ms typically at 0 to 10 x I
set
< 5% at t = 100 ms
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Accuracy
±1.0% of I
at I ≤ I
r r
±1.0% of I at I > I
r
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1MRK 506 384-BEN H
Hitachi Power Grids