Why the electron flow in reverse of current.

6 Answers  

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requirements for making parallel operation of Uninterrupted power supply

2 Answers   Emerson,

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two or more transformer are working in parallal,one is out of order,what are you doing?

7 Answers   wbsedcl,

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why the transformer is not operates on two phase?

1 Answers   APGenco, Atkins, FFBL,

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Why is it prefer to initiate circuit breaker failure by "86" lockout relay not by "94" tripping relay ?!

0 Answers   OEG,

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Distinguish between neutral earthing and equipment earthing?

7 Answers  

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which capacity of RCCB used for five thousand watt electricity load?

0 Answers  

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Why we are using LA Rating 10kA in 66 kv substation

1 Answers   L&T, NMDC,

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what is the difference between torque induced and torque load?compare them with respect to dc motor?

0 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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What is ONAN/ONAF1/ONAF2 for transformer cooling

5 Answers  

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how much leakage current is allowed in MC61A L&T make relay?

0 Answers   Siemens,

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