A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.

0 Answers   Ispat, Red Bull,

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regarding safety what would u consider the most important rules to observe when inspecting electrical equipment?

0 Answers   Reliance, Southco Utility,

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Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?

0 Answers  

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11kV capacitor bank of rating 2.4KVAR, is charged with protective relays of only over current & Earth fault &.......without Over Voltage, Under Voltage & Neutral Displacement Relay. Is it advisable??

0 Answers  

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what is the spdt

1 Answers  

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Explain the working principle of servomotor

20 Answers   ABB, Bhel, FANUC, GE, Jindal Steel and Power, L&T, SIA, Steelco Gujarat Ltd,

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How many types of timer ?which timer are used star delta feeder

1 Answers   BMM Ispat,

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What is meant rectifiers..

1 Answers   MTS,

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How do we calculate the maximum amount of current in a 300 SQ.MM cable ?

1 Answers   Roto Power,

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WHY SPEAKER OUTPUT IN WATTS??

2 Answers  

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what is cogging and crawling

20 Answers   ABB, Ashok Leyland, Bharat Bijlee, BMRCL, MN Dastur, Siemens,

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What is meant by pitch of a synchronous machine.??

1 Answers   Kirloskar,

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