What is C2-M2-E2 class in circuit breaker. why and where it
is to be used in circuit breaker
Answer Posted / anupam srivastav
C2- Low probability of restrike.
M2- Type tested for 10,000 operation before needing any maintainance except routine maintainance activity.
E2- Not required any maintainance during expected operating cycle (1-52 kV)
| Is This Answer Correct ? | 7 Yes | 4 No |
Post New Answer View All Answers
How to calculate Grid rotor resistance(GRR) losses in slip ring induction motor?
Can anyone tell me some hints about what type of questions are asked by the interviewer by an Electronics engineer when company is installing an IPP and wants a team of engineers?
why genarator genarating voltage 11 KV?
WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC
Which type of motor is used in trains, what is the rating of supply used explain working principal?
How can we checked Killo Watts of Motor & Alternator?
i am an maintenance engineer. one distribution board have 5 feeder. recently its ELR trips frequently, but it take some times after trip( 10min,20min..)but 3 feeder no load. two feeder only loaded. i checked one feeder IR value all values are above 50Mohm.but B phase to Earth is only 9Mohm.any problem about low value
at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds
What are the advantages of using distance protection schemes as opposed to normal overcurrent/ earth fault protection on high voltage feeders.
What would cause a 240v choke that should give 110v out on a 16w lamp to gradually increase to 160v?
what is W.T?specify the acceptable range?
WHAT ARE THE EFFECTS OF SERIES RESONANCE AND PARALLEL RESONANCE ON THE CIRCUITS PARAMETERS?
can you any one give exact mathematical relation between AC current and DC current?
what is static frequency converter?what is the function...of sfc...?
How 3 phase invertor works?