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why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%
1950what is the relation between the size of the machine and the frequency? (when the frequency increases the size of machine will increase,why?)
2 5088can I improve the furnace power factor (10 mva transformer) by adding a capacitor bank before the transformer.Does system power factor vary a lot with the furnace PF?
2047Post New Electrical Engineering Questions
what r the safety measures in UPS ? explain all?
HOW TO TEST A LIGHTENING ARREST ER ?
Details about Flux Compensated magnetic Amplifer starter for motors
any application of back emf
What is miller crystal oscillator? Explain its operation?
WE know that for Inductor X=2pifL,In DC f=0,then X=0 so,V=IX=0;But In the DC excitation of rotor of AC generator,DC motor field coil which coils are inductor so why does not applying DC voltage short the rotor coil of AC generator and field coil of motor?If it would then DC source might be damaged but it is not happened. Why does the strand conductor of Electrical power transmission line make twist?
in 1-phase 230v,how in 3-phase 440v. in each phase in between 230v.
How to test Alternator stability test for REF relay
Do inductive loads have distorted current waveforms ?
what happens if earth of 33kv cable is not connected to earthing pits? please send this query's answer to ngrm.sudha249@gmail.com
Is vtg is controlled by the resistor? if else how much?
I am a possesor of c licence from 1993. I forgot to renew during the year 1998. During that time I was working at TNEB to till date. Is there any possibility to get renewed? or to apply for a new one?
what is excitation/
what is working process of star delta controlling circuit ?
what is the difference between general inverter and solor inverter clerly explain plz
