Answer Posted / rajesh tokalapudi

when a dc motor is connected to a ac supply it will run
with reduced efficiency.in case of ac reactance will comes
into picture.so,increased losses due to inductance.and
there is sparking at brushes.motor will run with reduced
speed.

What is the formula to calculate the rating of power cable for three phase current.

1668

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How to know th details about an electrical Drawing ? Please mention the easy method.

2005

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Can any answer me ,What will be the range of C.T coil for L&T energy meter EM301 used for 180 kva DG set

1782

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i have completed deee and i've (June2012-feb 2015 experience in electrical maintenance in pvt ltd company.company having HT & LT electrical power.how to apply electrical C-license ,NOW I was resigned my job,what are requirements of applying for c-license

1311

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HOW CAN WE DECIDE THE SUPPLY VOLTAGE FOR MOTOR ACCORDING TO ITS RATING(IF ANYONE KNOWS GIVE IT WITH EXAMPLE AND ITS CALCULATIONS)

1516

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What is the range of the stator resistance of 3 phase induction motor?

1459

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3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........

1487

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How does HT work & Voltage required?

1748

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what is capacitor voltage transformer?? how it is different from potential transformer?

1701

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why it is not advisable to run low rating (19KVA) DG sets in parallel for long durations even though they are provided with droop ckts (QDC)

1478

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How to Preparation of online test

1076

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how to convert lv line to hv line and viseversa, any losses will occur during this process

1607

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what is the illumination level required for child play area?

1618

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difference between main metering kiosk and check metering kiosk

2352

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Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.

640

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