what is the relation between the size of the machine and the frequency? (when the frequency increases the size of machine will increase,why?)

2 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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How we can calc. the Backup time of a battery Bank???

6 Answers   Emerson,

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is it possible to minimize the copper loss?

2 Answers   Coal India, TATA,

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what will be the effect if you were using different brands of outlets?

0 Answers   TESDA,

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how to decide the rating of the ct for 1500 kva transformer

1 Answers  

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Why the field rheostat is adjusted such that the voltmeter reads 380V

0 Answers   SRM University,

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how to find 5 kilo meter long under ground 33 kv cable fault location if IR VALUE shows 0.05 M ohm @5000 volt.and cable fault locator shows some time fault distance 3 kilo meter ,3.7 kilo meter and some time 1 kilo meter? now how to find the fault location that where is leakage.

1 Answers   FGI, OPS,

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Induction motor & transformer both has magnetic core,then why induction motor is a inductive load & transformer not???

6 Answers   SBL,

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we want to feed 3 phase supply to 70 ton AC load.what will be the size of (3 phase)cable require.

2 Answers   BSES,

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difference between the applicability of nortons and thevenin theorem

0 Answers  

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can anybody send me syllabus of rrb section engg (electrical). and also send previous question pepar...

0 Answers   GKB,

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