Answer / sumit

at the time of fault trip circuit will not work
and the contacts of the ckt brker will melt due to high
current

Answer / bernar d dong

THE PROTECTION RELAY WILL NOT WORK SO THAT THE AIR CIRCUIT
BREAKER FAULT IS SET TO THE MAXIMUM CAPACITY

CTs Ratio

2 Answers  

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Why you want to join non technical field when you are an engineer?

0 Answers  

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Which one is more accurate servo or stepper motor and why?

2 Answers   BARC, HPT,

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why the pressure coil is not present in the three phase wattmeter?

1 Answers  

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I have 90KW Motor 60 Hz,380V Pf 0,88. after testing the Motor without Load is the no load Current 36 A,but wenn i put load after 2 hours the current increase more than 156 A. Can anybode tell me waht is the Problem?

4 Answers   ABB,

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HOW WE CAN REDUCE THE CIRCUIT COMPLEX OF STAR-DELTA STARTER .BECAUSE NOW WE USING ONE TIMER RELAY & THREE CONTACTOR FOR MAIN,STAR & DELTA ?IF ANY IDEAS PLZ POST.THANK U

0 Answers  

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Transformers with dc supply

4 Answers  

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What are the types of lighning arrestor protection system? how to choose that according to load?

2 Answers   SPL,

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HOW TO CALCULATE THE VT SIZING?

0 Answers   L&T,

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how much resistence in proper earthing?

5 Answers  

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tan delta equation test on alternators

0 Answers  

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give types of Air conditioners commonly used &its use?

5 Answers  

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