Frequency protection (FRPFRQ) main settings - Arc protection - Merging unit - Motor protection - Product Guide - REM620 Motor Protection and Control - Relion Protection and Control - 2.0 FP1 IEC - IEC - 01.06.2023

REM620 Product Guide

Table 1. Frequency protection (FRPFRQ) main settings
Parameter Function Value (Range) Step
Operation mode FRPFRQ

1 = Freq<

2 = Freq>

3 = df/dt

4 = Freq< + df/dt

5 = Freq> + df/dt

6 = Freq< OR df/dt

7 = Freq> OR df/dt

-
Start value Freq> FRPFRQ 0.9000...1.2000 × f n 0.0001
Start value Freq< FRPFRQ 0.8000...1.1000 × f n 0.0001
Start value df/dt FRPFRQ -0.2000...0.2000 × f n/s 0.0025
Operate Tm Freq FRPFRQ 80...200000 ms 10
Operate Tm df/dt FRPFRQ 120...200000 ms 10