The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?

0 Answers   Ispat,

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star delta starter control wiring diagram?

1 Answers  

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how the rotating magnetic fieldis produced in induction machines??? give the correct explanation.is there any mathematical expression for the same?

1 Answers  

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if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

0 Answers  

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what is the difference between switch yard to residential area.and how much required it.

0 Answers   GVK,

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3 Core x 35 Sqmm Cable (How we measure 35Sqmm)

4 Answers   Alpha Star, Brother,

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What will happen if the 50HZ Transformer is connected with 60HZ power Supply

2 Answers  

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why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?

0 Answers   Government, PSU,

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Why do you have to use Protecion relay with the function MTB ( Mechanical Trip Button ) for electrical system.

0 Answers   DT Technologies,

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5MVA TRANSFORMER SUDDENLY FAIL WITH THE PRV TRIPPING AND LARGE AMOUNT OF OIL SPREAD OUT? SO IT CAME BACK WITH THE REPAIRING WITH REASON THAT IT FAILS BCOZ OF TRANSIENT EFFECT? SO PLZ EXPLAIN HOW DOES IT HAPPENED?

1 Answers  

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can we produce cosine wave instead of sine wave? will it usefull?

4 Answers   BARC,

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Explain the advantages of the wheatstone bridge method of measuring resistance?

7 Answers  

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