Electrical Engineering - Re: Determining the Current on the Neutral in a 3 Phase, 4 wire system

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Re: Determining the Current on the Neutral in a 3 Phase, 4 wire system

Paul Hovnanian P.E.

2007-04-20, 3:25 am

myself wrote:
>
> Could anyone tell me how you would determine the current (amps) on the neutral in a
> 3 Phase, 4 wire system, with both resistive & reactive circuits of varying voltages (208 & 120).
> If there is a formula for figuring this out, I would appreciate the knowledge. Thank you!

Tnere isn't a simple formula. It involves adding complex (A + jB)
numbers.

First of all, loads connected across two lines (208V single phase) will
produce no neutral currents. Same holds true for three phase, three wire
loads.

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Paul Hovnanian mailto:Paul@Hovnanian.com
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