Answer / haytham hashim

minimize internal losses (use pfc), and operated at not far
of or too less than rated power

what happen if we give 220 volts dc supply to d bulb r tube light?

4 Answers   Genus, RMSI,

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what are the protections used in power transformers of 5 mva and above

2 Answers   ESRI,

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we all know that both the generator and motor are electromechanical conversion devices.....then why we rate motor in kw and generator in kva????

4 Answers   KSEB,

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Please brief working principle & construction of permanent magnet AC Servo motor

0 Answers   DRJ ARDE,

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In a Circuit how the MCB and Fuse ratings are calculated. And shall the fuse follws the MCB or it is otherwise?

16 Answers   Emerson, HCL, Thirumalai Chemicals,

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Why is it preferred to use a wattmeter(s) to measure power in three phase systems rather than using a combination of other instruments e.g. voltmeters, ammeters etc?

2 Answers  

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what is the RESTART INHIBIT protection?

1 Answers   Thermax,

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what is TRCC

2 Answers  

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explain single phase series motor

0 Answers  

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we have a 2000kva step down transformer at our site. The HT side is charged from 22000V. So the primary current will be 52.48A. So why the HT breaker(SF6 ABB) is rated of 1250Amps ?

2 Answers  

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Shall we get electrical shock if we touch the positive terminal of a 230 volt dc supply?

22 Answers   Essar,

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why HT motors are earthed only at equipment side & for it's single core cable with aluminium wire armoure using?

1 Answers   Legrand, NLC Neyveli Lignite Corporation Limited,

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