cost of operation of which plant is least?

6 Answers  

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solar energy light efficiency & disadvantages?

0 Answers  

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3 ph motor connected in star delta starter. when we start the motor it run in star but when in is going in delta it trips the main incoming supply. why?

3 Answers   Bajaj Hindusthan,

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what are the protection relays for trasformer

3 Answers  

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what is difference between isolation and ultra isolation transformer?, what is the method of testing ?

0 Answers  

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What kind of preventive maintenance are there for AC generator?

1 Answers   Gulf,

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Hi,i want to appear for IES (EEE),can any one plz help me how to apply and how to prepare

1 Answers  

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I have a 1000 kVA Transformer(11kV/0.415kV) and a APFC panel of 400 kVAR(LT).Now if i want to remove the LT APFC panel and install a HT(11kV) APFC panel on the HT side is the HT APFC panel will work same as the LT APFC panel(improve the power factor),if yes what will be rating of the HT APFC panel?what is the formula to calculate HT APFC panel rating???

2 Answers  

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what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?

0 Answers  

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Define step response?

0 Answers  

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IN 3 phase induction motor where we give i/p supply & how its working ?

2 Answers  

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What is Procedure the procedure to select CT's & PT's in 66kV and above substation?

2 Answers   BEL,

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