what is the Mechanism of energy saver FAN how average power,reactive power, power factor e.t.c realated to it and how it apply to this FAN .and how this fan save energy w.r.t circuit analysis,plz repaly to this question this is the assignment to given to me.thanks

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In all the generators, the excitation supply is DC. What is the significance of DC excitation? What will happen if AC supply is given as excitation supply?

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difference between generator and alternator

0 Answers   Havells,

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Whether the over frequency protection is turbine or alternator and why?

1 Answers   Marg,

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now a shunt motor is practically a constant speed motor , then how does it meet the increase or decrease in the load ?

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dear all, in motor operation , motor is of 100 hp and bimetal relay setting is 130 amp, if relay is getting tripped on 120 amp balance current what can be the reason? Relay is newly replaced. I dont know but is there any frequency effect in thit case? Can frequency variation affect bimetal relay operation?

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22kV HT incoming should be 3 phase or 4 phase? why is it not 4 phase?

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what is the acceptable value of TAN DELTA and dissipation factor for 11kV, 1.75HP Motor?.

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prove that power consumed in 3 phase delta system is 3 times as compared to 3 phase star system

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what questions are asked in the interview for the post of an electrical maintenance engineer in FMCG companies?

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hi how are you? i m in walchand college of engg. do you have interest in join me through email so send your email id

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How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?

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