Answer / sathiarajan

Its must for the capacitors. If the frequency of charging &
discharging is increased it will take & deliever a huge
current at all the charging & discharging cycles. So the
cable will get hot quickly, if it is not reated properly.

how to flameproof electrical motor on the shaft?

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how we select ac fuse rating of an power inverter???

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WHAT IS MEANT BY DERATING OF THYRISTOR?

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How do we find the rating of a transformer, if it got burnt badly.

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dear all, in motor operation , motor is of 100 hp and bimetal relay setting is 130 amp, if relay is getting tripped on 120 amp balance current what can be the reason? Relay is newly replaced. I dont know but is there any frequency effect in thit case? Can frequency variation affect bimetal relay operation?

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differentional compound gernater used for wielding porpose. why????????//

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what is the internal fuction of a ceiling fan?

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State any two nuclear power stations in India, with their generating capacity.

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How transformer neutralshould earthed ? Transformer neutral connected to earth mat in substations, right or wrong ?

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Following test should be conducted to find out relative polarity of transformenr terminals A no load test B back to back test C phasing out test D none of above

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How does "OUT OF STEP" relay ,for Synchronous motor protection, work?

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we have 1000 litre water tank,it located at 25m hight from ground level,the water level on 10m below from ground level.for fill the tank within 1 hour,how much of motor rating(HP) want to select?

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