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Transformer

#100023 10/05/06 12:33 PM

Joined: Apr 2002

Posts: 178

Reel-Break Offline

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OK I deal mostly residential but on a 3 phase xfmer 600v to 220/120 15kva Can someone bring back to basics. I have approx 39.3 amps on each phase correct?

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Re: Transformer

#100024 10/05/06 01:03 PM

Joined: Feb 2002

Posts: 182

Mobile, AL, USA

Bob

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FLA on a 15 kva at 208 is 15/(0.208 x 1.73)= 41.6 amps.

Re: Transformer

#100025 10/05/06 01:53 PM

Joined: Apr 2002

Posts: 178

Reel-Break Offline

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Thanks Bob after further review it actually was 208/120 secondary.Thanks again.41.6 it is.

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