power formula

1 Answers  

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how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc

0 Answers  

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How to Calculate Stc Rating of an indoor type VCB Panel? What is a full form of STC?

1 Answers   ABB,

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What is class 2 coordination ?

2 Answers  

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I NEED RRB SYLABUS FOR JE ELECTRICAL ,PLEASE SEND TO MY E- MAIL ID joo28_eee@yahoo.co.in

0 Answers  

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What is Primary And Secondary Injection Test of Relay and Other Electrical Devices. How IT is carried out.

0 Answers  

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which signal we found accurate reading of analog signal or degital signal and why?

1 Answers  

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how can we judge the percentage of load on the basis of temperature differences readings between WTI and OTI in a transformer

1 Answers   Toshiba,

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Explain the operation carried out in thermal power stations?

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 difference between tapping -15% to +5 % and -5% to +15% tap. & how can define HV turns on maximun & minimum tap of power transformer.

2 Answers  

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What is the difference between KW & KVA ?

10 Answers  

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