Answer / karthick

1) first thing panel body earthing (it according to the ip/op) 
2) proper earthing pit,strips and size
3) proper place and proper air flow ,exiting of air
4) stranded size of panel fabrication and bus bar impulse testing , high           voltage testing 

how we sesign the transformer give some specifion regarding design of transformers

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Why are calling leading power factor is a capacitive load?

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Waht are the protection should be use in HT/ LT side of the same Xformer?

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what is the resistance value of our human body?

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WHEN SINGLE PHASE SUPPLY AS 220V, WHY THE 3 PHASE- 4 WIRE MEASURED AS 440 VOLTS INSTEAD OF 660 VOLTS (220 VOLTS PER PHASE i.e 220x3 = 660 volts ).

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What is Faraday's law

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What is the type of feedback used in an op- amp schmitt trigger?

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how balanced in star delta connection ?

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