ABB REL650 Product Manual page 54

Line distance protection REL650 2.2
Product version: 2.2.1
Table 42. Rate-of-change of frequency protection SAPFRC
Function
Operate value, start function
Operate value, restore enable frequency
Definite restore time delay
Definite time delay for frequency gradient trip
Definite reset time delay
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M14976-1 v9
Range or value
(-10.00-10.00) Hz/s
(45.00-65.00) Hz
(0.000-60.000) s
(0.200-60.000) s
(0.000-60.000) s
1MRK 506 384-BEN A
Accuracy
±10.0 mHz/s
±2.0 mHz
±0.2% or ±100 ms whichever is
greater
±0.2% or ±120 ms whichever is
greater
±0.2% or ±250 ms whichever is
greater
ABB