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coolyaar
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Join Date: Jul 2011
Posts: 286
Good Answers: 1

Potential Transformer

01/20/2013 3:39 PM

is the primary winding of Potential transformers used in the M.V switchgears connected between two phases or betwen a phase and ground i.e the p.t used in M.V switchgears basically step down phase to phase voltage or phase to ground voltage .second question is which winding i.e H.T or L.V of the P.T is grounded ? regards,
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Tornado
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Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

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#1

Re: Potential transformer

01/20/2013 3:49 PM

It could be neither, either, or both.

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lyn
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#2

Re: Potential transformer

01/20/2013 4:12 PM

I'd suggest some study material, starting with the very basic concepts.

Transformer - Wikipedia, the free encyclopedia
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JohnDG
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#3

Re: Potential Transformer

01/20/2013 6:05 PM

Usually the three transformers are connected between the phases and neutral (or ground if no neutral). Output (LV) windings are grounded.

That's my best guess .

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TonyS
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#4

Re: Potential Transformer

01/20/2013 9:56 PM

coolyaar, you're not doing homework are you?

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