Hi,
Your question is itself answering your query.The rating of transformer is mentioned at no load only.rated regulation at ratedload cuurent at rated pf is also mentioned upon the name plates of every transformer.You can also calculate this regulation under site conditions by conducting Sc...
Hi,
Aerial ground no doubt.Given the length of the line and the voltage level you are telling lightning arrestors are overkill.Also you have not mentioned the termination at the other end or that whether any interconnection or tie feeding is their or not.But any how go for aerial ground only.
Hi,
Well finding your answer will need a glance into the electrochemistry book.But the one word answer that i find is oxidation .Since you are using insulators ,every chance is their for constituting molecules getting dislodged from the parent compound and getting accumulated on the surface.You...
