Answer / k.prakashchandra

Near the HT bushing on the top cover you can find it which
is covered by a plate.This is used for measuring Tan-delta

Answer / raghavendran.r

I have not heard about tan-delta tap but there is tan delta
testing of PT.It is used to measure the insulation resistance
between phases and between phase and earth and also IR values between in the bushings.

Differentiate between kirchhoff’s first law and kirchhoff’s second law?

0 Answers  

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sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....

0 Answers  

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Wat wil happen if Transformer is operated at 100 HZ Frequency?

8 Answers  

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why occ characteristics curve in not tracing back when we are bringing back the rhoestat?

0 Answers  

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why we used star delta starter for above 5hp motors

2 Answers  

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Why in India distribution transformer are connected in Dyn11 when we know capacity of v-v connection can be increased by adding only a single transformer?

1 Answers   CSPL,

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what will be the minimum megger value for 132 Kv (earthed) potential transformer

3 Answers  

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what is the rating of boiler?

4 Answers  

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In simply words(not explain any formula )what do you mean by power factor.?

5 Answers   DRDO,

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Kindly Tell me name of the book for electrical estimation and costing ,calculation or web site to download

1 Answers   ABB,

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What is the function of Antipumping Relay and Lockout Relay?

1 Answers  

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What is switching over voltage?

1 Answers   MEIL,

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