What is meant by transformer, why it should be used, with out that equipment what happens if we transformed the supply?

12 Answers   Bhel,

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415v 14kw so can u tell me how i can measure the cable size.then size of the earth also

1 Answers  

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whow we find out dc motor field aur armature resistance

1 Answers  

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why auto transformer connected in star?

1 Answers  

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power is the product of voltage and current.so we can measure the value of power just by using ammeter and voltmeter.......then why do we use a wattmeter?

5 Answers  

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Why all voltage levels are the multiples of 11KV?

10 Answers   KSEB,

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How do you select a cable size(cu&Al)for a particular load?

2 Answers  

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what is priming pump?why it is used ?

2 Answers  

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What is a single phase autotransformer?

0 Answers  

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why dc is not given to transformer

4 Answers  

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whether fibre optic cable in high voltage earth conductor is used for protection circuits

0 Answers  

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How we select the cable rating

1 Answers   BTM, Videocon,

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