Electrical Engineering - Re: American Power Distribution Practice - Is a multi-grounded primary more desirable than a single

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Re: American Power Distribution Practice - Is a multi-grounded primary more desirable than a single

Bill Shymanski

2006-04-15, 1:21 pm

>
> I have not worked on distribution in a few years. I do not remember
ANY
> medium voltage system ( less than 69kv) that has a neutral. 3 hots
and a
> ground but not a neutral.
>
>

Airport lighting uses medium voltage and a neutral - lots of
single-phase lighting circuits. The neutral is supposed to be grounded,
too - and trouble results when it suddenly becomes no longer grounded.

Bill

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