How to size Air Circuit breaker (ACB)? What is the most important factors?

0 Answers   ABC,

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Why the output of OP-AMP is always less than Vcc?

0 Answers  

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How does CT can measure the high value DC current?

4 Answers  

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why do we need transformers?

12 Answers  

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what is the minning of propotional, integral, derivative ?

1 Answers  

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Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.

0 Answers  

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E.B sending end to receiving end 33kv ug cable laid 8Km,receiving end to ss1,ss2,ss3,ss4 all are Approx 800 Mtr,can go for 33KV to 430V or 33kv to 11kv in receiving end and 11kv to 430 near ss ,which one is good for technically and economically.

1 Answers   JLL,

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How you give clearance to a spare feeder.

0 Answers   KSEB, L&T, Siemens,

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In generating stations which we generate current or voltage if it is voltage then how it will convert to current and power?

2 Answers   NIT,

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What is thermal relay and how it is works in transformer please explain

2 Answers   Future Group,

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what is range ACB

11 Answers  

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Why we specify TNC switch with 1NO 1NC ,2NO 2NC ? how we get connection.?

0 Answers  

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