Answer / rajesh

Air circuit breakers can be used for LT (415V). For higher
voltages (27.5KV etc. encountered in the railway
use),Vacuum circuit breaker is needed.

Answer / aditya dash

air circuitbreaker

I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

0 Answers  

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What is the output of a transformer..??

1 Answers   Jindal,

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how did the differential relay work to protect the power transformer

4 Answers  

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I have 10 amp MCB for my air conditioner of 1.5 ton capacity. When I connect the ac direct it is started running but when connected through stabliser the Mcb Get trip and air conditioner couldn't start.please confirm whether Mcb is required to be upgraded to 20 amp. There is no fault in ac and the stabliser. Please advice the reason of tripping the mcb when connected through the stabliser.

1 Answers  

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inductance and capacitance may result in periodic reversals of the direction of energy flow,how???

1 Answers  

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in industrial lighting in each circuit how many lamps can be given? and how much load can be put on each circuit? is there standard for this? please help me with the standard description?

3 Answers  

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I AM GOING TO ATTEND APTRANSCO ON 26TH OCT 08.PLEASE SEND ME ANY MATERIAL OR TYPE OF QUESTIONS OR EXP QUESTIONS.

0 Answers   Power Grid,

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why is the transmission voltage is multiple of 11?

4 Answers  

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what happened if power factor is "1"

9 Answers   Reliance,

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Why? We r used 50sq. mm. And above size cable in 3.5 core and below size are used in 4core

2 Answers  

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What is the diference between increased saety motors and non sparking motors?

1 Answers  

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what is IP55,IP65

4 Answers  

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