Technical data - Arc protection - Motor protection - Feeder protection - Back-up protection - Technical Manual - REX610 Protection and control - 1.2 - IEC - ANSI - 03.05.2023

REX610 Technical Manual

Table 1. FRPFRQ Technical data
Characteristic Value
Operation accuracy f>/f< ±10 mHz
df/dt 3

±90 mHz/s (in range |df/dt| <5 Hz/s)

±2.0% of the set value (in range 5 Hz/s < |df/dt| < 15 Hz/s)

Start time f>/f<

<240 ms 1

<750 ms 2

df/dt 3

<370 ms 1

<750 ms 2

Reset time <270 ms
Operate time accuracy ±1.0% of the set value or ±140 ms
3 Start value range from -0.2000 to -0.006 and 0.006 to 0.2000
1 Without vector shift blocking, for Operation mode, “Freq<" , “Freq>”, “df/dt”,“Freq> + df/dt" and " Freq< + df/dt”
2 With vector shift blocking, for Operation mode "Freq< OR df/dt" and "Freq>OR df/dt”