E-10
3 Phase (Floating or Grounded) Delta
3 Phase (Floating or Grounded) Delta
Introduction
In this power connection, the 4400 uses voltage channels A, B, and C as differential
inputs with channel A using source voltage A-B, channel B using B-C, and channel C
using C-A as the reference. Current probes are connected to channels A, B, and C.
Neutral to ground measurements are important but optional.
Connection
diagram
Floating Delta
phasor diagrams
PX5-904
V
A
V
B
0º
120º
V
C
240º
I
A
I
C
330º
90º
I
B
210º
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