What is corona loss?

2 Answers   PWD,

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What is the Power factor of DC Power system ?

9 Answers  

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Wtat is vaccum currcuit breaker.define with cause of used.and where be use it Devise .

1 Answers  

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Explain Buccholz relay in detail.

5 Answers  

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Are you connected Transformer neutral eathing with it's body earthing or earthing met of switch yard.? Yes or No ? why ?

2 Answers  

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What is the exact minimum vale of voltage between an earth and netural which can damage or can do malfunction of the electronic equipments ? If this is mentioned in any book, pl.give reference.

0 Answers   Bhushan Power Steel,

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how to calculate efficiency of voltage and current controlled welding transformer?

1 Answers  

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Which system is best for industries 3ph 3w or 3ph 4w?

3 Answers  

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what is pressure relief valve?where it is used????

4 Answers   Mecon,

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Why the wave trap is put in Y phse only in switchyard?why not in other phases?

1 Answers   IAG Automation, REL,

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What is burden of a current transformer. What is function of core in Transformer

1 Answers   Jindal Steel and Power, NCC,

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What is the function of pulse transformer?

4 Answers   Electrotherm,

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