how to decide the ratings of the busbar in electrification.give me the proper thumb rule or procedure

1 Answers   ABB,

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where this neutral connection goes after returning from the load(home ,factory,industries).Is it grounded at the transformer side or atthe generator side .If it is grounded then we also ground the earth connection.is there any problem with this.

1 Answers   IOCL,

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how is working the auto transformer?

1 Answers  

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Please explain how to do 'tan-delta test' on AC generator? and where i get clear and brief detail, give any web page address.

1 Answers  

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what is the working principle of UPS?

2 Answers  

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what is meant by 3rd hormonics ?

0 Answers   VRVS,

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If only R Phase is connected in 2 pole elcb, n is not connected than it will work or not in ground fault.

0 Answers  

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What will happen if the oil level in the buchholz realy of a transformer gets down?

3 Answers  

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what is H.T?specify the range?

6 Answers  

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What is class 2 coordination ?

2 Answers  

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why does in transformer the v/f ratio constant?

2 Answers   TATA,

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what is XF 200/240 V AC for Drawout Breaker.

1 Answers  

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