Can anyone explain me the operating principle of the megger tester?( I just know that its diflection relates with the ratio of currents of control & diflecting coil. I need more information as breif as possible)

1 Answers   TCS,

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What is the approximate percentage of Si content in transformer core(CRGO-Cold Rolled Grain Oriented)? Why it is kept so low?

1 Answers  

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what is the difference between pvc & fiber glass cables

0 Answers  

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difference between semiconductor & conductor & insulator?

0 Answers  

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What is the output of a transformer..??

1 Answers   Jindal,

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

1 Answers  

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what is the function of cooling tubes in transformer

4 Answers  

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What is harmonics. How does it get generated and means to arrest harmonics

8 Answers   Airtel,

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what is ten delta ?

2 Answers   ABB, Areva,

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In generation,transmission and distribution voltage frequency is either 50HZ or 60 HZ;why are only these frequencies?

2 Answers  

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define one ampere?

2 Answers  

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What are the procedures followed for underground cable laying.....???

2 Answers   KSEB,

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