Dranetz PowerGuide 4400 - 1;2 Element Without Voltage Channel B

E-13
APPENDIX E/ Common Circuit Connections
2 1/2 Element Without Voltage Channel B
Introduction
Channels A and C are connected to voltage. Current probes are connected to channels
A, B and C. The neutral is connected to common and is the reference for the three
channels. The figure also shows voltage connection using channel D as a differential
input for measuring neutral to ground voltage. Neutral to ground measurements are
important but optional.
Connection
diagram
Phasor
diagrams
PX5-907
V
A
0º
120º
V
C
I
A
I
B
0º
120º
I
C
240º
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