Answer / shrey

Because India was once a british colony.

Answer / krajeshkumar1989

reason
1.due to insulation problem..
2.we also change the 50hz to some other hz but we can change the every equipments and power station which are operating at 50hz that becomes extremely very heavy loss (money) for INDIA to change the system frequency.
3. we can also use the frequency from 40 hz to 65hz..

what is per unit calculation?looking for simple and strong explanation thk u

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In Star type and Delta type Motors, If one phase will miss/Break then which phase winding will burn and why?

4 Answers  

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Why cables and busbar both needed in LT Panels?

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

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difference between turns ratio and transformation ratio?

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what is the main parts of DG? how it is working?

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errection check list for transformer maintenance

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what is the difference in operation of 3 phase motor when am forward delta connection and reverse delta connection?

1 Answers   Birla,

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