how line turns ratio changes in 3 phase with change in connection

0 Answers  

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if we want to increase the back up time of an UPS what should we do ? if we want to decrease the charging time of a battery/batteries attached with the UPS what should we do ?

6 Answers  

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What is the difference between switch gear and control gear ?

2 Answers   QU,

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can we identify the direction of power flow in transmission line by after only looking the tower

7 Answers   TNEB Tamil Nadu Electricity Board,

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how does the terminal voltage of transmission lines increase when a capacitor is connected???? This happens not only in transmission lines but also in all circuits. How??? When a capacitor is connected in a transmission line, capacitor also takes energy from the same supply. But how is it able to increase the terminal voltage??? Practically What sequence of events happen during increase in voltage???

0 Answers  

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corona happens more in ac or dc?

5 Answers   MAHINDRA,

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what is the power factor of the megnetising component of transformer

1 Answers   Allied Group,

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what is mean by dual digital protection in the relay field?

0 Answers   ABB,

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What are Contactors? How they works and what its highest rating?

0 Answers  

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If a contactor need to replace with faulty one. what I want to check?

2 Answers   Bhel,

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What is servo Motor? What's the advantages of this motor over Induction motor?

1 Answers   Amtek,

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Enlists the applications of sampled data systems?

0 Answers  

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