why we use ac supply as 415 volts instead of 415 v why we cant apply 230 v for dc

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what are the applications of PLC?

0 Answers  

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What is GIS (Gas Insulated Switchgear)

3 Answers   Power Grid,

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What is the meaning of electricity? How it is being produced? Can we store the electricity? When we produce electricity what is the capacity of voltage current we are getting? If we need 440 volts how to get it? In case, if we want lower than 440 volts how to change it? Please answer?

1 Answers  

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how can you size an automatic voltage regulator?

0 Answers  

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can we use inductor in case of d.c.,if yes then what will happen in circuit

3 Answers   JSW,

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Why an ac systems are preferred over dc systems?

0 Answers  

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Transformer/insulating oil tester(BDV tester)

1 Answers  

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what is the diffrence between R Y B phase and why it is called RYB

5 Answers  

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what is first ground fault & second ground fault. This is used in rotor protection of alternator.

1 Answers  

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What is meant by harmonic distortion?

0 Answers  

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why transmition and distribution and genaration of voltage in multible of 11 means 220v,440v,11kv,22kv,,,...so on

3 Answers  

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