what is the differnce between ac and dc?

5 Answers  

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WHICH IS BETTER( FOR POWER SAVING)- ON LINE OR OFF LINE UPS ?

3 Answers   Punjab National Bank,

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how to calculate total load in a villa?

1 Answers   Megatron Solutions,

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What is meant by "tampering detection" of a electrical energy meter?

3 Answers  

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11kV capacitor bank of rating 2.4KVAR, is charged with protective relays of only over current & Earth fault &.......without Over Voltage, Under Voltage & Neutral Displacement Relay. Is it advisable??

0 Answers  

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WHY WE ARE EXPRESSING KW-HR AS UNIT OF ELECTRICITY.........?WE CAN EXPRESS IN ANOTHER UNIT.....?

4 Answers   Summit Power,

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why the value of impedence is taken as %impedence in fault currrent calculation

1 Answers  

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i have 6oo kva dry type transformer and its neutral is not grounded even body of transformer ground i want to know it is safe or not ?

2 Answers  

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when we increased the current what do ?

0 Answers  

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i have 2kv ups how many watts batteries is required

2 Answers  

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in my observation NCT is used at Karnataka power transmission. why we are not used in andhra pradesh

1 Answers  

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Draw the line diagram of diffretial relay connected to transformer?

0 Answers   NTPC,

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