What is A check, B check, C Check & D check for a diesel Generat

0 Answers   Jtekt Koyo Bearings,

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what is the working principle of soft-starter & how it diff. from VFD ?????????

5 Answers   L&T,

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WHAT IS MEANT BY SYNCHRONISING IN GENSETS

5 Answers  

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How will you explain transformer action in case of 3-phase induction motor?

4 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 voltage ratings of xmission are in 11, 33,66kv and why not 11.5 ,16,19 or any other

2 Answers   HCL,

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why shoud in High tension cable( above11KV etc.,)a semiconducting material coating will be there on insulation?

1 Answers  

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tell me about vfd

8 Answers  

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In track electrification Either we use single conductor or double conductor? why?

2 Answers  

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what is the working principle/operation/theory of 3-phase rectifier power transformer used in cold rolling mills.

1 Answers   TATA,

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what is mean by transition resistance of transformer?

0 Answers  

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what does vector group Dyn11 tell us? also tell me how will u differentiate between phase lead and phase lag thru this vector group

0 Answers   Bosch,

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