Answer Posted / prmdptl2009

if an AC induction motor is applied with DC voltage,then due
to unavailability of change in flux as in AC,the induction
will not be possible. also in case of dc supply the motor
winding will not be able to withstand for long time and at
last the motor winding will be damaged.

what is the function of choke in the flourcent tube lights and why the colour is in white mostly in flourcent tube lights

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how to select fuse rating for a 3-phase motor ???

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What are the special cables required for explosion proof wiring?

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Why we find the sensitivity for the CT's to check?

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sir, i'm preparing for hpcl exam officer trainee pls tell me how the exam ques paper pls pls

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Explain the laying procedure and laying depth of submarine/subsea power cable for 220/400KV system? Also available cable diameter?

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Why magnetic flux produces an induced current?? what is the detailed procedure ?? ans plz

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What it the purpose of parallel phasing transfomers??

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When calculating the speed of a rotor required for a particular frequency of synchronous generator we use the equation 60f/p Is this p is the number of pole pairs of rotor & do we consider the number of pole pairs in the stator is 1?

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what is thermal resistance of PVC Cable.

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What is difference is of VSD,VFD,VSDS, are they the same as the direct current to control dc using above mention

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Is it possible to download the Siemens Selection Chart(TYPE 2 coordination) for 1) fuseless selection 2)Fuse selection

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What is the angle of inclination for the oil connection from transformer conservator to Bucholz relay and why?

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which cable is used for 15 Hp monoblock pump 3phase and service wire Distance is 210 feet please tell me cable size Armaured

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