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Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?
1386What happent when a AC motor(no break and starters ) stop and suddenly start . ? Starting current low or high?? Why?
1 2048Let's say I have 2 current carrying conductors C1 and C2 carrying currents of 5A and 10A. They are brought close to each other from a distance of infinity to a distance of 10cm away from each other - 1. What would be the values of current flowing in each conductor when (taking into account effects of interference of each conductor on the other) - a. The currents are AC b. The currents are DC c. C1 is AC and C2 is DC Please explain your answer with mathematical equations and formulas. Please specify the final numeric answer. Please make assumptions and clearly specify them.
1 2432True or false question. 1.The fuse provide phase and neutral 2.power loss in electrical circuit can take place in (resistance or inductance or capacitance). 3.two phase system each phase has separated by a phase difference of (90 or 180 or 270 or 45). 4.3 phase balanced star connected load neutral current shall be (line current or phase current or zero or unity)
1540If a earth leakage circuit breaker trips is it possible to tell which house circuit breaker (I have four) is the faulty circuit?
1 1979What are the criteria shall be considers for sizing Fuse and MCB? If the rated current is 10Amps what should be the fuse size / MCB Size?
1582What will be MF for below rating ? Main CT PT value is 11kva/110 and 20/5 amp Meter display is 1kva/110v and -/5 amp What will be MF ? Multiplycity factor of energy meter
1642Post New Electrical Engineering Questions
what is doid
for 5KW resistive load can anyone please suggest me whether to go for UPS/Inverter or Generator depending upon cost calulations
What Maximam Gap Taibaar & Bush
Is it possible to measure the voltage of a battery from a single terminal?
what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.
1. what is usage for power factor in industries?? 2.why we need to monitor power factor??
what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?
2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?
Let me know that how i calculate the alternator sub tranciant reactance and tranciant reactance.
v/f drive basic princeple
how define the torque in ac drive. from electrical side in the drive friquency ,voltage and current three factor is there.
could anybody able 2 send me jindal steels previous papers fr electrical steam....pls send 2 my id if possible....sirisha.shaik@gmail.com
what is meant by neutral compensation factor and where it is used
Why are cables rated for 40 KA for 0.25 Sec fault current rating?
in ACB breaker requireding 3200Amps. buscoupler getting OFF mode and again it reset and getting normal position give me a required answer?
