Answer / a guru

The 3 phase delta/star 11,000/400 volt step down transformer has 40 turns per phase on primary. Find out the secondary turns.

In India why is the supply frequency 50hz? I need a particular answer for it..

3 Answers  

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what is the uses of C.V.T transformer in switch yard?

4 Answers   L&T,

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can i use the six sigma method which is used in management area, in state estimation of power systems?

0 Answers  

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what is the meaning of ceiling voltage in Generator exciter?

1 Answers  

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while starting a liquid starter ,is there any volage drop on water/soda on tank.can we touch the tank on starting?

0 Answers  

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define briefly the function of an ac electric generator (alternator)?

1 Answers  

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can we use ordinary transformer in place of autotransformer?give reasons also

1 Answers  

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What is the main purpose of relay?

1 Answers  

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How many types of AC current?

8 Answers  

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A transformer is used to light a 24volts,70watts lamp from a 240a.c main.The current in the main cable is 0.35A. Calculate, (1) The efficiency of the transformer. (2) the current in the lamp.

1 Answers  

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What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?

0 Answers  

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400kw, 3.3Kv motor want to fix 1000km away from substation. What is full load current? and what is the cable size for motor? I amp expecting answer and advice from your side.. thanks...

4 Answers   Kuwait Oil Company, Weatherford,

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