Answer Posted / ram lal

power factor is not mention so how can calculate ...........

what is relation between ct and pt ratio with multiplication factor of a energy meter? is there any other factor on which multification factor depend?

2332

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there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

1922

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Why is a plain induction motor unsuitable for wide speed control?

2275

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When semiconductor fuse does save thyristor in each cycle of conduction? Why under voltage setting keep less in SPRS and more in DC drive?

2081

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size of condotory fron voltage level

2209

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why the difference arise between HT reading & LT reading (submeters fixed in complexes, apartments etc)if the power factos exceed from 0.9 to 1 can the ht meter reads fast?

2954

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What are the advantages and disadvantages of open loop control system?

1113

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can we make a electric generator,which can not use any type of fuel,air,solar,gas,thermal,coal,petrol,etc and able to produce electrical energy (or self electricity generating generator)

1918

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What are the disadvantages of hydropower?

1225

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What are the two basic types of transformers?

1163

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what is meant by flywheel and its role in retardation test

2430

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Explain using drawings what is reverse PID action w.r.t PID controllers.

3440

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give me atleast four differences between circuit and network

2171

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Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?

1424

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ROC converges if pole and zero lies inside a) origin b) z=1 c) pole d) zero ? Explanation please? if ROC does not converges then?

2944

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