Answer / donald humreen saka

The emf induced is instantaneous .A continuous function of time ...

Answer / sathyamoorthi

The induced emf is average value.Because the flux produced in the machine in sinusoidal function.

4-Why we measure the insulation resistance of main core and frame in spite of that must be connected with ground before energize the transformer?

3 Answers  

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How npn and pnp transistor works

0 Answers  

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hi this is hema, r there any books in particular for the preparation of the APPSC-A.E.E(electrical), if so please mail me the names ... thank u .

0 Answers   Vizag Steel,

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how do you test the capacitor bank ?

12 Answers   Essar,

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hi can you give any body fault level calculation, generator fault level calculation,transformer fault level calculation for system fault level with equation? i have 3.3kv generation voltage three gas gen sets, one is 1.9MW,2nd is 2.5MW,& 3rd is 3.8MW & i have 11 kv generation voltage one gas gen sets is 3.8MW, we are step up to 22kv by transformer

3 Answers   Hindalco, Piramal Healthcare,

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in three phase circuit neutral failure what happend in homes

4 Answers  

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I want to know that a 160kva diesel generator contains capacity of 160kva on each phase like R=160 Y=160 B=160 total RYB=480kva or it is total capacity of all there phases like RYB=160kva ... thanks in advance ...

2 Answers   jlpl, JP Saraswat Engineers,

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Define coil span?

0 Answers  

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What's the differs between voltage & current & emf.

1 Answers   CTS, NTPC, TCS,

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1. what is difference between VCB and ACB.how its works please explian.

6 Answers   ABB, Accenture, HP, Minda, Mother Dairy, Satyam Pharma,

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why battery set is required for D.G.set?

7 Answers  

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In a synchronous motor armature current flows due to revolving flux which in turn rotates the load,but in no load condition armature current is zero hence thr is no revolving flux then how motor rotates?

9 Answers  

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