Voltage Transformers
EN MRA4 04/09
Page 55
L1
L2
L3
V12
V23
V31
L1
L3
L2
V12'
V23'
V31'
1
X?.
2
3
4
5
6
7
8
Two-phase voltage measurement - wiring of the measuring
inputs: "V-connection"
MRA, MCA => terminal marking X4.
MRN4, MRU4, MRF4 => terminal marking X3.
VE
VL3/
VL31
VL2/
VL23
VL1/
VL12
Notice!
Calculation of the residual voltage VE is not possible
Connection example Clockwise Rotating Field
Summary of Contents for SEG HighPROTEC MRA4
Page 1: ...MRA4 HighPROTEC Feeder Protection Device Manual DOK HB MRA4E...
Page 3: ...Order Code EN MRA4 04 09 Page 3...
Page 59: ...Navigation Operation Navigation Operation EN MRA4 04 09 Page 59 1 4 2 3 5 7 6 8 9...
Page 378: ...PQS Power Protection Module ANSI 32 37 Page 378 EN MRA4 04 09 P P Q P Q P Q Q Q P S S...
Page 379: ...PQS Power Protection Module ANSI 32 37 EN MRA4 04 09 Page 379 Pr Q P Q P Qr...