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when generator of a power plant is not connected to grid , by increasing the mechanical torque speed of rotor increases but when it's connected to load instead of increase in speed current increases , why?
1 3881I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.
1961actually i can't understand what is 3dB ? and it's really not clear to me.please any one let it me be cleared.
2252how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?
2239we all know that in capacitor there will be no ay physical connection between the two electrodes of the capacitor ,and the charge is stored between these electrodes during charging , so with out any physical connection how these charge is transferred from one plate to the another plate during the discharge?????
1 3395Post New Electrical Engineering Questions
How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).
what is the formula of starting current of 3phase and 1 phase motor???
what is the difference between gas group b and gas group c electrical equipment construction wise?
What is a Phase shift meter? Where can I get one?
List of equipments required foe industrial repair lab.
Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.
I want to replace the 3 KW DC motor with AC motor so what should be the rating of AC motor? Details Of DC motor to be changed with AC are - Kw - 3, Vf - 310, If - 0.15, Va - 400, Ia - 13, RPM - 2400
What is nichols chart?
If a shunt Dynamo has induced emf 100V and 0.4 ohm resistance and battery of accumulator of open circuit emf 110V and 0.5 Ohm resistance are in parallel what is common terminal potential difference?
how to wiring it with contactor and timer together
Hi everyone. Some Generators uses 3-Pole breakers with extra contactors for Neutral. Some uses 4-Pole. Why so? What is the idea behind this? Thanks in advance for the solution. Kr.
At full load wat is the motor p.f And at no load will is the motor p.f?
what is two point starter?
what is capacitor voltage transformer?? how it is different from potential transformer?
Can anyone please provide me details of MCCB/Contactor/SFU rating calculations for a motor feeder..for example 50 kw.. not from type-2 cordination chart. i want manual calculations..
