Transformer

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Marcio

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Oicram1964
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Electrician apprentice
Question 1-in large power transformers, the unequal voltage distribution caused by voltage surges in the winding is prevented by the use of : a- static shields, b- series capacitors, c- low voltage arresters. Question 2- A power transformer whit standard insulation class of 69 KV will withstand an rms test voltage of : a- 440 KV, b-69 KV, c- 140 KV .
 
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