FRPFRQ Settings - Arc protection - Motor protection - Feeder protection - Back-up protection - Technical Manual - REX610 Protection and control - Relion Protection and Control - 1.2 - IEC - ANSI - 12.12.2023

REX610 Technical Manual

Table 1. FRPFRQ Group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Start value Freq> 0.9000...1.2000 xFn 0.0001 1.0500 Frequency start value overfrequency
Start value df/dt -0.2000...0.2000 xFn /s 0.0001 0.0100 Frequency start value rate of change
Operate Tm Freq 80...200000 ms 10 200 Operate delay time for frequency
Operate Tm df/dt 120...200000 ms 10 400 Operate delay time for frequency rate of change
Operation mode

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

1=Freq< Frequency protection operation mode selection
Start value Freq< 0.8000...1.1000 xFn 0.0001 0.9500 Frequency start value underfrequency
Table 2. FRPFRQ Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation

1=on

5=off

1=on Operation Off / On
Table 3. FRPFRQ Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Reset delay Tm Freq 0...60000 ms 1 0 Reset delay time for frequency
Reset delay Tm df/dt 0...60000 ms 1 0 Reset delay time for rate of change