If single phase having 220v so why 3phase is440v.

7 Answers   DLF,

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with help of neat sketch explain principle of TIG welding process

0 Answers  

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should Dy11 and Dy1 group can be operated in parallel??????

1 Answers  

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Differentiate between power relay and reverse power relay?

2 Answers   ABB, TVS,

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minimum ohm for lighting minimum ohm for Earthing

3 Answers  

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what happen if rotor earth fault in AVR system?

1 Answers  

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What are the effects of adding a zero to a system?

0 Answers  

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why does in transformer the v/f ratio constant?

2 Answers   TATA,

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what is divercity factor?

4 Answers   ABB,

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what is mean by parallel operation of permanent magnet generators

0 Answers   PSD,

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Why more than 2.5 MVA distribution transformers (secondary is 440V)are not used in india.

1 Answers  

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need help, please can someone tell me how can i calculate the main breaker and branches breakers to distribution panels (MDB) depending on the load ampere .. i really need it but can't find any site >>

3 Answers  

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