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Question
What is current chopping in CB?
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
current chopping in CB is the incident of arc current
interruption before normal current zero is reached.If This
current is enough to deliver a voltage which is greater than
restriking voltage then the arc will continue again. But
gradually the current falls and certainly the voltage also
reduces and finally fall down the restriking voltage and
ultimately arc is extinguished. It results in voltage
oscillation in the line which affects the electrical
equipments.
 
Is This Answer Correct ?    35 Yes 8 No
Rajdeepghosh8
 

 
 
 
Other Electrical Engineering Interview Questions
 
  Question Asked @ Answers
 
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DOES HUMAN BODY CAN EFFECT THE ELECTRIC SHOCK WHEN STAND ON INSULATED MATERIAL?   1
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Can u explain : how capacitor act when the supply is given is a.c and d.c. I know that when d.c supply is given then the capacitor charges and becomes open circuited. But please say about when a.c is given. I have seen that when a.c supply is given ,it charges and discharges, But when we plug in capacitor to our daily supply and take it out ,then we join those wires spark will appear,which seems charge is present ,but when a.c is given it should charge and discharge   3
What is sequence network? Discuss all three types of sequence network.   1
. Why the transmission lines are in 11kV, 22kV, 33kv, and why not 10kV, 20kV, 30kV?   3
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Hi, I'm going to attend BHEL interview for exexutive trainee (ET ) on 22nd DEC . Till now if anyone attended the interview pls help me out regarding the interview. I'm an electrical engineer Bhel 3
if d gen is 50kw,load is 60 kw,hw d gen ll supply d remaining power? NHPC 3
power formula   1
 
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