Answer / swapnil mohite

Because properties of vaccume is not much efficient to work in
EHV........instead of vaccume " Sulfure hexaaflouride gas "
having more efficient properties to work in EHV line....

Answer / sakshi

vacume ckt breaker of high rupture capacity are more
expensive than other type of ckt breaker..more over the
interrrupters is limited for 20kv,thus above for 36kv ,two
interrrupters are required,,,

n in event of vaccum loss at Extra high voltage,itz repair
is immposible..

Answer / k.prakashchandra

Perfect vacuum is not possible.

What is resistance reading of earth copper rod with grid and without grid?

0 Answers  

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What is the feedback in the control system?

0 Answers  

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What is the main feature of v/f control?

1 Answers  

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what is IP65 & What is its advantages

1 Answers  

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why colour of electrical equipment( like transformer) is grey

10 Answers   Trident,

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why we change the direction of winding in rotor ?how we make the north and south pole?

0 Answers  

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Inductor and capacitor ........ power in one phase and ...... it in another phase. if any body found this gaps answer.please sent me to habib_eu2008@yahoo.com

2 Answers  

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why we are using the ac supply in domestic purpose why don't use dc supply

6 Answers   Airtel, SSIL,

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Amoung all types of short circuit faults in a transmission line which one has less number of occurance and why?

1 Answers  

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What is cathode ray oscilloscope (cro)?

0 Answers  

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what is potentiometer & rheostat

3 Answers  

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why rotor current reading is taken & why not stator?

4 Answers  

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