what is meant by VFD ?where its useful ?

7 Answers  

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which element is neglected during fault calculation? a)resistance b)inductance c)capacitance d)reactance

4 Answers  

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I need bhel previous year quetion papers for electrical engineering department.I searched but i could not find out

0 Answers  

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where this neutral connection goes after returning from the load(home ,factory,industries).Is it grounded at the transformer side or atthe generator side .If it is grounded then we also ground the earth connection.is there any problem with this.

1 Answers   IOCL,

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What is the use of core in the transformer?

19 Answers  

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i have been tasked with a design of protection, metering and control(PMC) relay panel extension to accommodate all PMC relays.There is an already existing panel where this one will be built.What are the design aspects for this kind of project? thank you.

0 Answers  

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why 3 phase is preferred than 1 phase?

4 Answers   Infosys,

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What is the difference between CRNO and CRGO in an transformer and what is the advantages of these two.

13 Answers   Anchor, CIL, ETA, Kirloskar,

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what is the principle of operation of tungstun bulb ??

2 Answers   IOCL,

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As per principle we say in three phase supply ,the voltage is producing by phase angle between two phase so two phase is needed means then why we using three phase ?

2 Answers  

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what is residual current....

1 Answers  

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What are the different types of hydro schemes?

0 Answers  

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