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2 comments
Anonymous Poster

Calculating Clearances in Air and Transformer Oil

09/11/2007 10:15 AM

I WANT TO KNOW THAT HOW WE CALCULATE THE CLEARENCES IN AIR AND TRANSFORMER OIL.

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Anonymous Poster
#1

Re: Calculating Clearances in Air and Transformer Oil

09/11/2007 1:52 PM

Is this for a homework project? You haven't provided us with any context. You have, however, essentially shouted at us by using all capitol letters.

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Member

Join Date: Jun 2007
Posts: 5
#2

Re: Calculating Clearances in Air and Transformer Oil

09/13/2007 9:49 AM

There is the extensive list of subjects that related to clearance term in power transformers (insulation clearance, thermal clearance, installation clearance,…).

For example, do you know how insulation clearance influenced to transformer impedance? In high power transformer, the high voltage requires large internal clearances which mean increasing size and leakage reactance.Indeed increased HV to LV clearance has the effect of increasing the reactance, and hence the impedance.

REGARDS

MSJ

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