Answer / asif.k64@hotmail.com

Reactive power is used as capacitor bank to maintain power
factor in A/C supply.

Answer / rajeee43@gmail.com

IN AC CIRCUIT THERE IS LOT OF MOTORS AND GENERATORS ARE
PRESENT,THE OPERATIONS OF SUCH DEVICES REQUIRE MAGNETIC
FIELD TO WORKING(MUTUAL INDUCTION),TO PRODUCE MAGNETIC
FIELD THEY REQUIRE REACTIVE POWER AND REQUARE POWER IS USED
FOR ENERGY CONVERSION.(rajeee43@gmail.com)

How do you think they do earthing or grounding in ships and aeroplanes?

9 Answers  

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What is meaning of star delta connection / delta star connection and which one is best and what is the advantage?

0 Answers  

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Why winding temperature ct placed in B-Phase of the transformers?? 

3 Answers  

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why aggregate is placed all around substation ground.

9 Answers  

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Transformer how to maintaince a check b check c check d check

0 Answers   DIC India,

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explain Xmer

2 Answers  

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1. alternator has full load regulation of 4% when pf of the load is 0.8 lag, 1500 rpm. full load regulation of 1400 rpm for 0.8lag will be ________ ?? 2. torque angle of a sync m/c operating from a constt voltage bus is usually defined as space angle between _______ . 3. method most effective in finding out no load losses in large DC shunt motoris ______ . 4. current carrying capacity of fuse material depends on ______ . 5. coil has res. 10 ohm, inductance 1H. what wil be current after 0.1sec after switching on to a 500V DC SUPPL ? ? 6. effect of phase lag compensation on servo systems ___________ . 7. rotor of a dc machine is usually supported upon ______ . 8. DC motor is preferred to AC motor in which application ?? 9. 3 nos of 10:1 Xmer are connected in Star-Delta to supply a load at 230V.the supply voltage must be ______ . 10. voltage source produces max current in which circuit. 11. cal. power, if current and voltage are out of phase by 90 degree. 12. suitable length of Xmission line of power at 66 KV. 13. Which of the theorm helps in simple computation when the load across a ckt is varying ?? 14. what is the adopted line length for power Xmission of power by cables ??

5 Answers   TATA,

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why -48 volts dc used in telecommucation

0 Answers  

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What is the main difference between generator and alternator

4 Answers  

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can anyone tell me can the electromagnetic waves can be reflected back?if so how &by which material it can be reflected back?please tell me so that it can help to my wireless power trasnmission device.

0 Answers  

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what is 3rd Harmonics? how it is generated in alternator

2 Answers   Aditya Birla,

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1.wat is the negative slip region in the motor?

1 Answers  

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