Simulating the Neutral Current of an AC System

phase A currents

R

1

X

C

0.

X

L

0.

phase B currents

R

1

X

C

0

X

L

0

phase C currents

R

1

X

C

0

X

L

0

view

phase plot

vector plot

schematic

Vary the loads of a simple power system to see how they affect the neutral current. A phase plot and a vector plot provide a visual representation of the effects of the load changes.