Do I need a special Transformer to put 240 VAC 3 phase into it and and get 480 VAC 3 phase out of it to run a machine? Or, do I just use an ordinary step down transformer and step up the voltage? Thanks

2 Answers  

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pls tell me about ups internal connection & we have given only 3 phase supply to ups system how get 4 wire (R Y B N )

0 Answers   Bhel, IBM,

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As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.

0 Answers   cpgn,

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how to use single phase supply for a three phase equipement.

12 Answers  

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what effect will 10 milliampere current cause to human body ???

1 Answers  

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11 kv input, 66 kv input advantages

0 Answers  

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what is the voltage between earth & neutral in 3 phase electrical connection.

0 Answers   Megatron Solutions, SIPL,

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as a electrical student why should i hire you?

0 Answers   TCS,

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In what way does the variable ratio-arm improve the usefulness of the wheatstone bridge?

1 Answers  

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working principle of induction motor is similar to transformer. but what makes it to rotate? then why the transformer doesnt?

4 Answers  

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what is the difference between diode and zener diode?

4 Answers  

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the site measured knee point voltage of protection class CTs should be greater than rated knee point voltage? what about meetering class CTs. Should it be below the rated knee point voltage?

0 Answers  

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