Seg HighTECH Line MRN3-3, Manual, Page: 17 / 50

TD_MRN3-3_08.06_GB 17
5 Operation and Settings
5.1 Display
Function Display shows Pressed pushbutton Corresponding LED
Normal operation

SEG
Measured operating values
Actual measured value
Min. and max. values of
voltage, frequency and
vector surge and df/dt <SELECT/RESET> one time
for each value L1, L2, L3,
f, min, max
∆Θ
/ df
Transformer ratio of the CT’s (SEK) 1.01–6500=prim <SELECT/RESET><+><-> L1, L2, L3
Setting values:
star/delta connection
Y/DELT <SELECT/RESET><+><->
∆
/Y
Selection vector surge or df/dt dPhi/dfdt <SELECT/RESET><+><->
∆Θ
/df
Parameter set change-over
switch/ext. triggering of FR
SET1, SET2, B_S2,
R_S2, B_FR, R_FR, S2_FR
<SELECT/RESET><+><-> P2
Switch-over LED flash
No LED flash
FLSH
NOFL
<SELECT/RESET><+><->
Starting point of the limit curve 1 Setting value in Volt <SELECT/RESET><+> <->
one time for each value Char1+U<Start
Selection symmetrical, asymmetri-
cal or general fault SYM/ASYM/ALL <SELECT/RESET><+><-> Char1
Under voltage limit curve 1
Function warn/trip <SELECT/RESET><+><-> Char1
1. Char. point_value 1 (U<1)
1. Char. point_value_2 Setting value in Volt
Setting value in seconds <SELECT/RESET><+><->
set to 0s (fixed) Char1+U<1
2. Char. point_value 1 (U<2)
2. Char. point_value_2 (tU<2) Setting value in Volt
Setting value in seconds <SELECT/RESET><+> <->
one time for each value Char1+U<2
Char1+U<2+t>
3. Char. point_value 1 (U<3)
3. Char. point_value_2 (tU<3) Setting value in Volt
Setting value in seconds <SELECT/RESET><+> <->
one time for each value Char1+U<3
Char1+U<3+t>
4. Char. point_value 1 (U<4)
4. Char. point_value_2 (tU<4) Setting value in Volt
Setting value in seconds <SELECT/RESET><+> <->
one time for each value Char1+U<4
Char1+U<4+t>
5. Char. point_value 1 (U<5)
5. Char. point_value_2 (tU<5) Setting value in Volt
Setting value in seconds <SELECT/RESET><+> <->
one time for each value Char1+U<5
Char1+U<5+t>
Permissible release time for under-
voltage limit curve 1 Setting value in seconds <SELECT/RESET><+> <->
one time for each value
Char1+tR
Starting point of the limit. curve 2 Setting value in Volt <SELECT/RESET><+><->
one time for each value Char2+U<Start
Selection symmetrical, asymmetri-
cal or general fault SYM/ASYM/ALL <SELECT/RESET><+><-> Char2
Under voltage limit curve 2
Function warn/trip <SELECT/RESET><+><-> Char2
1. Char. point_value 1 (U<1)
1. Char. point_value_2 Setting value in Volt
Setting value in seconds <SELECT/RESET><+><->
set to 0s (fixed) Char2+U<1
2. Char. point_value 1 (U<2)
2. Char. point_value_2 (tU<2) Setting value in Volt
Setting value in seconds <SELECT/RESET><+> <->
one time for each value Char2+U<2
Char2+U<2+t>
3. Char. point_value 1 (U<3)
3. Char. point_value_2 (tU<3) Setting value in Volt
Setting value in seconds <SELECT/RESET><+> <->
one time for each value Char2+U<3
Char2+U<3+t>
4. Char. point_value 1 (U<4)
4. Char. point_value_2 (tU<4) Setting value in Volt
Setting value in seconds <SELECT/RESET><+> <->
one time for each value Char2+U<4
Char2+U<4+t>
5. Char. point_value 1 (U<5)
5. Char. point_value_2 (tU<5) Setting value in Volt
Setting value in seconds <SELECT/RESET><+> <->
one time for each value Char2+U<5
Char2+U<5+t>
Permissible release time for under-
voltage limit curve 1 Setting value in seconds <SELECT/RESET><+> <->
one time for each value
Char2+tR
Function of the 1
st
voltage element U</U> <SELECT/RESET><+><-> U1
Voltage threshold value U1
Tripping time delay tU1 Setting value in Volt
Setting value in seconds <SELECT/RESET><+> <->
one time for each value U1
U1+t>
Function of the 2
nd
voltage element U</U> <SELECT/RESET><+><-> U2
Voltage threshold value U2
Tripping time delay tU2 Setting value in Volt
Setting value in seconds <SELECT/RESET><+> <->
one time for each value U2
U2+t>
Function of the 3
rd
voltage element U</U> <SELECT/RESET><+><-> U3