What is the function of Switchgear in Substation?

mardi 28 janvier 2014

I think its main function is to reduce arc flash.

But I want to know how it is connect with the transformer before or after.

Can any one explain it through the block diagram?



If HV power lines enter in the substation first it connect to which one and after that which one ? [Switch gear, Transformer].



Is the input and output voltage & current of switchgear remains the same?





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