C&S MRN3, Руководство пользователя, Страница: 26 / 28

2 6 2 6 2 6 2 6 2 6
Setting list MRN3
Project: CSPC Job No.:
Function group: = Location: + Relay code:
Relay functions: Password:
Setting of the parameters
System parameter
Relay type Default Actual
settings settings
Function Unit MRN3-1 MRN3-2 Set1/Set2 Set1/Set2
Uprim/Usek Voltage transformer ratio X X SEK
Δ /Y Input voltage correction dependent X X Y
connection of the input transformer
f
N
Rated frequency Hz X X v = 50 Hz
LED Flash Display of theactivation storage X X FLSH
P2 2 parameter sets/ext. Trigger for FR X X SET1
Protection parameter
Function Unit Default Actual
settings settings
U< pickup value for undervoltage element (low set) V 90/210/360*
t
U
< tripping delay for undervoltage element s 0.04
U<< pickup value for undervoltage element (high set) V 80/190/320*
t
U
<< tripping delay for undervoltage element s 0.04
U> pickup value for overvoltage element (low set) V 110/250/440*
t
U
> tripping delay for overvoltage element s 0.04
U>> pickup value for overvoltage element (high set) V 120/270/480*
t
U
>> tripping delay for overvoltage element s 0.04
T frequency measuring repetition in periods cycles 4
f
1
pickup value for frequency element 1 Hz 4800
t
f1
tripping delay for frequency element 1 s 0.1
f
2
pickup value for frequency element 2 Hz 4900
t
f2
tripping delay for frequency element 2 s 0.1
f
3
pickup value for frequency element 3 Hz 5100
t
f3
tripping delay for frequency element 3 s 0.1
df pickup value for rate of frequency (dt/dt) in Hz/s EXIT
dt measuring repetition for df/dt periods 2
1/3 vector surge tripping logic 1PH
ΔΘ pickup value for vector surge ° 2.0
U
B
< voltage threshold value for frequency and vector V 10/23/40*
surge measuring (or df/dt)
RS Slave address of the serial interface 1
RS** Baud-Rate 9600
RS** Parity-Check even
* thresholds dependent on rated voltage 100 V / 230 V / 400 V
** only Modbus