Answer / k.prakashchandra

With OLTC ,voltage variation is in increments which may not
be the requirement or may affect unit diff relay . When
the required voltage can be obtained by varying excitation
,OLTC is not needed .

Brief working principle of fluorcent tubelight,function of starter & choke.

3 Answers   Havells,

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how could we know the size of cable by physical view?

0 Answers   Havells, United Engineering,

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WHAT IS THE FULL FORM OF CABLE TYPE-AYWY,AYWAY,YWY ?

6 Answers   Polycab, VIR, XLPE,

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HOW TO CALCULATE EHV CABLE SIZING?

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differentiate between one way two gang switch & two way one gang switch, used in designing the loads of building.

1 Answers  

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How to decide the size of the capacitor for a single phase induction motor say 2 HP ??

0 Answers  

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Is there a chance for a motor speed to become negative..?? What is the reason for such a phenomenon.? In that case does the motor works as a generator..???

1 Answers  

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At the time of 1st charging of transformer, there were huge inrush current, so why at that diffrential relay are not operated? Why?

3 Answers   Adani,

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how does relay works?

16 Answers  

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hi friends ,iam working as genset AVR service engineer in electrical field from past 2 yrs throughout india . i plan to shift in some other job without travelling in same field because i con't travel,i dont know what i do for that so please guide me what job is suited for me,how i can serch the job please anybody helpme iam totally confused

4 Answers  

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what is the difference in inductance and resistance.both oppose the flow of current but how.resistance having + ve power in both cycle while inductance having both power.

5 Answers  

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whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?

0 Answers   DAE,

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