30
TB MRF3 04.01 E
Setting list
MRF3
Project: ______________ SEG-job.-no.:
Function group: =__ ____________Location: + Relay code: -
Relay functions: Password:
Setting of the parameters
Systemparameter
Default settings Actual settings
Function
Unit
Set 1/Set 2
Set 1/Satz 2
U
prim
/U
sek
Voltage transformer ratio
SEK
f
N
Rated frequency
Hz
50Hz
LED Flash
Display of the activation storage
FLSH
P2/FR
Parameter set change-over switch /
Trigger off from external
SET1
Protection parameter
Default set-
tings
Actual
settings
Function
Unit
Set 1/Set 2
Set 1/Set 2
f
N
Nominal frequency
Hz
50
T
Measuring repitition for frequency measurement
4
f
1
Pickup value of the first frequency element
Hz
48.00
t
f1
Tripping delay of the firat frequency element
s
0.1
f
1
+R
Reclaim value of the first frequency stage
Hz
48.01
t
f1
+t
R
Reclaim time of the first frequency stage
s
0.06
f
2
Pickup value of the second frequency element
Hz
49.00
t
f2
Tripping delay of the second frequency element
s
0.1
f
2
+R
Reclaim value of the second frequency stage
Hz
49.01
t
f2
+t
R
Reclaim time of the second frequency stage
s
0.06
f
3
Pickup value of the third frequency element
Hz
51.00
t
f3
Tripping delay of the third frequency element
s
0.1
f
3
+R
Reclaim value of the third frequency stage
Hz
50.99
t
f3
+t
R
Reclaim time of the third frequency stage
s
0.06
f
4
Pickup value of the fourth frequency element
Hz
52.00
t
f4
Tripping delay of the fourth frequency element
s
0.1
f
4
+R
Reclaim value of the fourth frequency stage
Hz
51.99
t
f4
+t
R
Reclaim time of the fourth frequency stage
s
0.06
f
e
(df
1
)
Frequency threshold for df/dt-element 1
Hz
VARI**
fe(df
1
) min
**
Bottom limit value for the df/dt stage 1
Hz
EXIT
fe(df
1
) max
**
Top limit value for the df/dt stage 1
Hz
EXIT
df
1
Pickup value for rate of change of frequency df/dt of the first
frequency element
Hz/s
-0.2
dt
1
Differential period or value of the tripping timer for the first df/dt
element
Perioden
4
f
e
(df
2
)
Frequency threshold for df/dt-element 2
Hz
VARI**
fe(df
2
)min
**
Bottom limit value for the df/dt stage 2
Hz
EXIT
fe(df
2
) max
**
Top limit value for the df/dt stage 2
Hz
EXIT
df
2
Pickup value for rate of change of frequency df/dt of the second
frequency element
Hz/s
+0.2
dt
2
Differential period or value of the tripping timer for the second df/dt
element
Perioden
4
U
Bmin
U
Bmax
Blocking of the frequency measurement
Releasing for the frequency meauring
V
10/23/40*
RS
Slave address of the serial interface
1
*threshold dependent on rated voltage 100 V / 230 V / 400 V
**Parameters appear with setting „VARI“
Summary of Contents for MRF3
Page 1: ...MRF3 Frequency Relay...
