Seg MRF3, Руководство пользователя

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TB MRF3 04.01 E 7
3.1.6 Parameter settings
System parameters
Uprim/Usek Primary/secondary measured value
display of the voltage transformers
f
N
Rated frequency
LED-Flash Suppression of LED flashing after
pick up
Protection parameters
P2 Parameter set change-over switch
T Measuring repeated for frequency
measuring
f
1
Pickup value for frequency stage 1
f
1
+R Reclaim value for frequency stage 1
t
f1
Trip delay for frequency stage 1
t
f1
+t
R
Reclaim time for frequency stage 1
f
2
Pickup value for frequency stage 2
f
2
+R Reclaim value for frequency stage 2
t
f2
Trip delay for frequency stage 2
t
f2
+t
R
Reclaim time for frequency stage 2
f
3
Pickup value for frequency stage 3
f
3
+R Reclaim value for frequency stage 3
t
f3
Trip delay for frequency stage 3
t
f3
+t
R
Reclaim time for frequency stage 3
f
4
Pickup value for frequency stage 4
f
4
+R Reclaim value for frequency stage 4
t
f4
Trip delay for frequency stage 4
t
f4
+t
R
Reclaim time for frequency stage 4
fe(df
1
) Frequency threshold value for df/dt-stage 1
*With setting "vari“, two new parame-
ters appear which fix a trip window for
the df/dt.
*fe(df
1
+min) Bottom frequency threshold value for the
df/dt stage 1
*fe(df
1
+max) Top frequency threshold value for the
df/dt stage 1
df
1
Pickup value for the frequency
changing speed of the df/dt stage 1
dt
1
Time difference cum value of the trip
counter of the df/dt stage 1
fe(df
2
) Frequency threshold value for the
df/dt stage 1
*With setting „vari“, two new parame-
ters appear which fix a trip window for
the df/dt.
*fe(df
2
+min) Bottom frequency threshold value for the
df/dt stage 2
*fe(df
2
+max) Top frequency threshold value for the
df/dt stage 2
df
2
Pickup value for the frequency
changing speed of the df/dt stage 2
dt
2
Time difference cum value of the trip
counter of the df/dt stage 2
U
Bmin
Blocking of frequency measuring
U
Bmax
Release of frequency measuring
*min/max setting only if fe(df
1
); fe(df
2
) are set to "vari".
Parameters for the fault recorder
FR Number of disturbance events
FR Trigger events
FR Pre-Trigger time T
pre
Date and time
Year Y = 00
Month M = 04
Day D = 18
Hour h = 07
Minute m = 59
Second s = 23
Additional functions
Blocking function
Relay configuration (relay matrix)
Fault memory