Answer / ashok

v/f ratio is directly proportional to the flux.

Answer / deepak

v/f is kept constant to avoid over fluxing

in a silicon diode we can measure .7v in a voltmeter.but why we can't use this voltage for using?

0 Answers  

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Anyone who can recommend an equivalent to Envirotemp FR3 of Cooper?

0 Answers  

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What happens when ac supply is given as excitation voltage instead of dc supply

1 Answers  

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How to know Resistance and Reactance value of main and aux winding of single phase capacitor start capacitor run induction motor to find capacitor value?

0 Answers   Siemens,

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What it the purpose of parallel phasing transfomers??

4 Answers   ABB, Reliance,

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If a high resistance fault occurs,then what are the changes will happen in the system?

0 Answers  

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Where the Dry type tranformers are used.

5 Answers  

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wat is the importance of reactive power in power generation.....if it is zero means wat will happen to system........

22 Answers   Bhel, Jindal,

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what is the advantage and disadvantage of billing in kwh and kvah by electricity board .

6 Answers   Nespak, NTPC,

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why we increase the small speed of turbine when alternator just synchronized to grid in steam power plant

2 Answers   PSEB,

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Why P.f. of the system decreases when it is connectect across induction motor? & how to maintain the p.f. of system to unity.?

6 Answers   Reliance,

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What is an isolation transformer?Why do we need isolate circuits?Where do we use them?

2 Answers  

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