different between highvoltage & lowvoltage source

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can we use optical fibre to electrical power transmission ?

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how to calculate efficiency of voltage and current controlled welding transformer?

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What is the previous name of Cox's Bazar

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what is the operating time for LBB and how does the LBB relay realise whether cb is opened or not?

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A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.

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IS there any special instructions to be taken while installing the tranformer.

1 Answers  

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What is the most important precaution in any experiment with d.c. Shunt motor?

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If there is 25 hp motor,which type of starters we can us? why?

7 Answers  

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Hello sir This is prakash from bangalore i have a doubt why we have to maintain DG power factor in the range 0.78 to 0.8 Perhaps i f it is increased means what will happen in DG

3 Answers  

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what power factor should we maintain to get maximum benefits our organisation load is 10 MW? is it best to maintain the PF at .96 rather than Unity to save electricity bill?

1 Answers  

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How a Universal motor works in Both A.C and D.C? What is the constructional difference with other single phase motors?

1 Answers  

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