To determine the Healthiness of Insulation we will be performing Dielectric tests i.e Insulation Resistance test, Partial Discharge test,Switching Impulse, Lightning impulse, Tan Delta test ...etc why we required to perform this many test, why cant we do only one test. for Transformer, CT's

1 Answers  

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what is thyristor, how is it works

1 Answers   Sony,

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1.why is +1+1=+2 why cant it be +3 2.Why is +1*-1=-1 why cant it be something else 3.why are the hilly areas more cooler than the ordinary areas?

5 Answers   ThyssenKrupp,

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what is vector surge & vector shift? we have 25.3 MW(11kv) generator & 11kv/132kv transformer, connected with with 132 kv grid.vector surge relay is tripping frequentaly.what is permissible maximum limit for this.

3 Answers  

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What are the different types of controllers?

0 Answers  

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How Earthing is prevents shock?Explain

4 Answers  

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What is the calculation for 1000Amps Air circuit breaker relay settings.

1 Answers  

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what is Anti-pumping?

0 Answers  

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Why reverse relay used

2 Answers   cpgn,

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what is the working of air compressor.

5 Answers  

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how we identify between current transformer and potential transformer without having it name plate?

5 Answers   L&T, TATA,

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wat s reactive power.... how could it be compensated.....

4 Answers   TCS,

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