why the air gap is necessary in the transformer core

1 Answers   Eskom,

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in alternator what is use of AVR ? how AVR is operating either AC or DC?

1 Answers  

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What is VCB? Where it is installed?

11 Answers   Hyundai,

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how to test and calculat the head and discharge in borewell compressor

0 Answers  

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why wave traps are placed only at y and r phase?

3 Answers  

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what is the min and max ohmic resistance for the earthing rod installed for lighting poles for street light network

1 Answers  

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What is dc current source? Differentiate between ideal and non ideal current sources?

0 Answers  

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Merits & Demarits of Oil circuit & Air circuit breakers ?

0 Answers   Genco,

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how can we detect that which is receiving side and which is sendind end of a trnasmmison line by just seiing it?i.e its which end is coming from genertaing and distribution side?

5 Answers  

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DOES AN EARTH FAULT CURRENT ON THE DELTA SIDE OF A 6.6/33KV STEP UP STAR-DELTA CONNECTED TRANSFORMER REFLECT ON THE STAR SIDE? IF YES, THEN HOW AND WHAT IS THE AMOUNT OF CURRENT REFLECTED?

1 Answers  

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difference between the earth mat and earth grid?

3 Answers  

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what happens when we apply dc to a transformer

7 Answers   Siemens,

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