Voltage Transformers
Page 42
EN MRU4 10/09
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