Marcio
Member
- Location
- Oicram1964
- Occupation
- 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 .