Answer / srajan

The insulation of transformer winding is tested with megger..it is tested as insulation of lv to earth , hv to earth and hv to lv..it is commonly known as IR testing..its value will be different according to weather..changes drastically in monsoon..

how is the leakage current flow only through guard wire (when guard wire is connected in the circuit)????

2 Answers  

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Define what is difference between fuse and breaker?

0 Answers  

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Stepwise process of Northern grid failure in 2012!? (dont copy paste from wikipedia)

1 Answers   Rashtriya Ispat Nigam Limited RINL,

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give information about REM5453 & SPAJ Relays

1 Answers  

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how much load 15kva dg set can bear

7 Answers  

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how to find motor contactor rating and bimetalic relay rating? of 30kw motor which will operate on star-delta starter?

6 Answers   HCC, L&T,

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if the stetor speed (N S) increase by 20% then the rotor speed will be increased by 20% is it true. ?

4 Answers  

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Why do you get a typical sound when the transformer is put into operation?

4 Answers   IIT,

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WHAT IS THE difference betwwen LT CABLE AND CONTROL CABLE

5 Answers  

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If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables

0 Answers   ABC,

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I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz

0 Answers   RRB,

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how MW increase when steam input increase in turbine.

1 Answers  

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