Protective Elements
Parameter
Description
Setting range
Default
Menu path
t-df/dt
Trip delay df/dt
0.00 - 300.00s
1.00s
[Protection Para
/<1..4>
/f-Prot
/f[1]]
DF
Frequency difference for the maximum admissible
variation of the mean of the rate of frequency-change.
This function is inactive if DF=0.
Only available if: Device planning: f.Mode = f< and
DF/DT Or f> and DF/DT
0.0 - 10.0Hz
1.00Hz
[Protection Para
/<1..4>
/f-Prot
/f[1]]
DT
Time interval of the maximum admissible rate-of-
frequency-change.
Only available if: Device planning: f.Mode = f< and
DF/DT Or f> and DF/DT
0.1 - 10.0s
1.00s
[Protection Para
/<1..4>
/f-Prot
/f[1]]
df/dt mode
df/dt mode
Only available if: Device planning: f.Mode = df/dt Or f<
and df/dt Or f> and df/dt Only available if: Device
planning: f.Mode = df/dt Or f< and df/dt Or f> and df/dt
Only available if: Device planning: f.Mode = df/dt
absolute df/dt,
positive df/dt,
negative df/dt
absolute df/dt
[Protection Para
/<1..4>
/f-Prot
/f[1]]
delta phi
Measured value (calculated): Vector surge
Only available if: Device planning: f.Mode = delta phi
1 - 30°
10°
[Protection Para
/<1..4>
/f-Prot
/f[1]]
418
MRU4
DOK-HB-MRU4-2E
