Answer / saurabh gupta

Motor current will increases

Answer / kavitha

motor current increases

In alternator generally we give DC voltage to field of alternator but field (excitor)produce Ac & converts into DC by rotating rectifier(RR ) then fed to rotor .my question is why we cannot give dc voltage directly to rotor instead of Excitor & RR ?

1 Answers  

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What is the differentional relay...what is the work of this in power Tx. how it is works..

0 Answers   ABB,

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why the air gap is necessary in the transformer core

1 Answers   Eskom,

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how can calculate resistance box for 15 kw, 6 pole, RV-230, RA-42 motor

0 Answers  

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Send the control circuit digram of a star delta stater?

1 Answers   L&T,

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please send me latest & previous years question papers for IOCL Technical level questions

0 Answers  

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what is phase angle and how its generate moreever how we measure the phasse angle?

1 Answers  

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We know no of electron and proton in atom but how many Neutron are thire in an atom ?

1 Answers   Power Grid,

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Dear all, I'm manikandan I have done by DIPLOMA EEE from 2011 , I have 5 years of experience from Power plant instrumentation field , which one field is give long life & which one field is best ,I confused a lot and also I'm studying AMIE, can I choose which department from Section B examination? pls tell me

0 Answers  

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using in R,Y& B PHASE LTSIDE(415V)ct ratio 4000/5 WITH ENERGYMETR OF 1280 REV./KWH,240V.WHAT WILL BE MF OF METRE.

1 Answers   HCC,

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How much depth we will take in 33kv sub station and why.

0 Answers  

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Is only insulation the difference between High voltage and Medium voltage cable?

1 Answers  

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