ABB REL650 Technical Manual page 303

1MRK 506 382-UEN A
Line distance protection REL650 2.2 IEC
Technical manual
Function
Minimum operate time
Operate time, start at 0 to 2 x U
Reset time, start at 2 x U to 0
set
Operate time, start at 0 to 1.2 x U
Reset time, start at 1.2 x U
set
Critical impulse time
Impulse margin time
Range or value
(0.000-60.000) s
Min. = 15 ms
set
Max. = 30 ms
Min. = 15 ms
Max. = 30 ms
Min. = 20 ms
set
Max. = 35 ms
to 0 Min. = 5 ms
Max. = 25 ms
10 ms typically at 0 to 2 x U
15 ms typically
Section 8
Voltage protection
Accuracy
± 0.2% or ± 45 ms
whichever is greater
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