14
ZL1
VS 
ZS
PHASE CONDUCTOR
NEUTRAL CONDUCTOR
Effect of unbalance - simple distribution system
(Might represent ground wires or light poles connected to system.)
SOURCE
CURRENT
Is
VERTICAL WIRE
CURRENT IW
“LOW” FREQUENCIES  - IW » 0
“HIGH” FREQUENCIES - IW ¹ 0
Solved using the MININEC antenna theory program.
Currents should
be balanced at
low frequency