ABB Relion REM615 Product Manual page 39

ABB
Motor Protection and Control
REM615
Product version: 3.0
Table 38. Frequency protection (FRPFRQ) main settings
Parameter Values
(Range)
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
Start value Freq> 0.900...1.200
Start value Freq< 0.800...1.100
Start value df/dt -0.200...0.200
Operate Tm Freq 80...200000
Operate Tm df/dt 120...200000
Unit Step Default
1=Freq<
xFn 0.001 1.050
xFn 0.001 0.950
xFn /s 0.005 0.010
ms 10 200
ms 10 400
1MRS756890 D
Issued: 2010-06-29
Description
Frequency
protection
operation mode
selection
Frequency start
value
overfrequency
Frequency start
value
underfrequency
Frequency start
value rate of
change
Operate delay
time for
frequency
Operate delay
time for
frequency rate
of change
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