Answer Posted / k.prakashchandra

If it is new and under test ,CT might have been provided on
neutral instead of phase.If not , mostly due to pole
discrimination ( all poles not closing simultaneously ).
Disable instant element while closing .

Generation of voltage for each phase are same of a turbogenerator.Although the short circuit current flow when two phase of turbogenerator are shorted(where current can't flow without potential difference),why?

1647

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We have 250 KW x 2 motors, which are load from 25% to 100% varying load in every minute , so how can we compansate the power factor. pl give your opinions on the above subject.

1423

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What is the function of RCBO? What are the different sensitivity ratings & each application?

2145

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I am apply the AAI. So i want electrical sample question paper in technical with answer my id is vijayjobsmart@gmail.com

2210

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how to calculate singlephase motor efficiency?

1732

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apti mainly on logical reasoning, verbal and non-verbal ability (70 percent) and remaining technical. I was in ee but technical had mech ques like on turbines and welding.

1728

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What is a surge supressor why its is used in synchronous generators

1534

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what is thermal resistance of PVC Cable.

1355

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what is cascade speed control device?and how this device control the speed of motors?

1555

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what is electrical machines

3020

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We have Diesel generator of 200KW. fuel consumption is always same,even connected light load or full load. Is it right?

1744

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What is the difference b/w fanuc alpha series 16i and 18i controller. what is stand for i

1594

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Why to keep capacitor bank off while generator running.

1299

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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?

967

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What is the polarization index value ? (Pi value)and simple definition of polarization index ?

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