The MCB circuit breaker have a voltage rating of 440VAC it's possible to supply a voltage of 480Vac

1 Answers  

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WHY THE COLOUR OF TRANSFORMER IS GREY ?

0 Answers  

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What is the method to calculate the capacitor bank rating for say 50 KW load and how do we connect each capacitor to busbar??

4 Answers  

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why should we india maintain frequency of 50 Hz.

8 Answers  

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Why the frequency of a system is changed if the load changes?

5 Answers  

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There is one 40MVA oil cooled transformer (yet to commission), filled with 95% oil and we are trying to fill 5% Nytrogen in that transformer so that there should not be any foreign component inside. But even though there is no leakage, nytrogen is not withstanding inside transformer, within a day or two pressure guage is showing 0. Why is it soooo? Pls reply.

1 Answers  

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hello friends this is krunal here.. i have applied for he officer train in hpcl electrical stream.. any one who have applied before for electrical stream please help me out.. post ur reply to my mail id: krunal_airforce@yahoo.com.. any tips, old questions for paper or any help will do.. plz help me.. your faithfully, Krunal Darji

0 Answers  

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what is meant by line voltage and phase voltage in a three phase transformer?

2 Answers  

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What will happen if power transformer designed for 50 Hz is connected to 500 Hz of the same voltage , and vice versa ?

1 Answers  

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What is time response of the control system?

0 Answers  

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why DC current not used in Transformer action?

17 Answers   Engineers India Limited,

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what is booster? and how it is connected in a circuit?

0 Answers   APTransco,

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