HOW TO CALCULATE GROUND FAULT CURRENT IN 430V 4000AMP AIR CIRCUIT BREAKER?

2 Answers  

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Dear Respected sir how to test ABB REX521 protection relay by relay tester.

0 Answers  

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In case of any eventuality, who is your next of kin?

2 Answers   Edison, Foster Wheeler, GE, GE Energy, HP, Infosys, Koch Industries, Roper Industries, Siemens,

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How to calculate the efficiency of Turbo Generator(Alternator) in general....?

0 Answers   Thermax,

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what is resticted earth fault protection ? how did it protect & work in power transformer

3 Answers  

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Why mostly conductor made by 7 nos wire?

2 Answers  

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what type of motor used to move a 1 ton gate? and relate ratings with load.

0 Answers   Khidmah,

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where is the need for short circuit test for 3 see is required and why? can you explain in brief with application

0 Answers  

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What is various types of electrical formula?

1 Answers  

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in india,we use 230V,50 Hz,whereas many other countries use 110V,60Hz.what r d advs and disadvantages of each of them?

11 Answers  

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State kirchoff current law?

0 Answers  

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What are the basic components of the feedback control system?

0 Answers  

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