Can anybody tell me what the breakdown voltage is for air and what it is for transformer oil please?

4 Answers   Pooja Cables,

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What is the difference between ground & earth or neutral

1 Answers  

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How to calculate LT Network length in power distribution ? Service cable length considered or not?

0 Answers   Torrent Power,

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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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what is the difference between 3 phase 3wire &3phase 4 wire meter?what is the advantage of 3p3w over 3p4w?

1 Answers   L&T, MahaDiscom,

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what is green house effect?

4 Answers  

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What is the rating of your substation and what are the different types of substations?

5 Answers   Bhel, NTPC, UPPCL,

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What is bridge rectifier and explain with details

0 Answers  

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how does a submersible pump work..?

0 Answers  

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What are the advantages of the three-phase motor over single phase motor?

0 Answers  

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What do you mean by cogeneration? What its working principle?

0 Answers  

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Does human body can effect the electric shock when stand on Insulated material?

2 Answers  

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