Answer / bala

ideal voltage source voltage is constant at all loads. so that
it should have low internal resistance to minmise I2r loss due
to current. therfore it has low internal resistance.

why dc is used in control circuits for MV & LV switchgeras instead of ac

0 Answers  

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what are the ''pitting rings''and how cn they be controlled in a series generator

0 Answers  

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Is it required to use Automatic transfer Switch in L&T panel board if we use AMF panel with DG set? How the single line diagram will be? Please forward the material to sreenu_207@yahoo.co.in

0 Answers   HAL,

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4.In which type of welding is a pool of molten metal used.....

3 Answers   ISRO, SSC, Vizag Steel,

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from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

0 Answers   ABB, HPCL,

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what is the working principle of soft-starter & how it diff. from VFD ?????????

5 Answers   L&T,

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distribution transformer de-rating formula on over limit iron losses  

0 Answers   IESCO,

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How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?

0 Answers   HAL,

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how to calculate

0 Answers  

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In synchronization circuit what is the function of Interposing voltage transformer(IVT)and Reverse voltage transformer(RVT)

0 Answers   ABB,

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Derive the inductance of a coil in terms of its physical factors.

1 Answers  

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In between UPS out going changer over switch and ups raising main input, both side cable gland producing heat but the cable doesn't get heat,Why?

0 Answers  

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