Answer / raj prasan

X/R ratio is reactance to resistance ratio, which is used to determine the peak asymmetrical fault current. Higher the X/R ratio, higher is the asymmetrical fault current

when the PFR (POWER FACTOR REGULATOR)change a step to zero,one of the RCCB will triped off,is it the changing step of this PFR effect the RCCB?

2 Answers  

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How work of capacitor in dc supply...???

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Excat meaning of burden in only one word?

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Initially motor starts with star connection ,after few timing changes to delta connection, why the motor should run continously in star connection,it gives high torque & low current?

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how to maintain frenquncy with syncronising sub-station for distribution

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Is MEN and RCD related to each other ?? IF yes then how??

1 Answers  

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I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz

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how will u exactly calculate the unit consumption of the Air conditioners?Split/Window/

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11KV electrical line going through the forest in cloudy night ,how can we find the direction of line.

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What do you mean by linear and bilateral network?

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WE HAVE THE DC RECTIFIER 1500A, INPUT VOLTAGE IS 3 PHASE. HOW TO CALICULATE THE LOAD? 3 PHASE SIDE EITHER dC SIDE. PLEASE SUGGEST ME

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what is the full name of ELCB &MDB <MCB

2 Answers  

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