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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?
1490What happent when a AC motor(no break and starters ) stop and suddenly start . ? Starting current low or high?? Why?
1 2194Let'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 2586True 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)
1673If a earth leakage circuit breaker trips is it possible to tell which house circuit breaker (I have four) is the faulty circuit?
1 2117What 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?
1712What 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
1749Post New Electrical Engineering Questions
plz tell me,ht and lt panel terminals in substations explain beiefly
What is a compensator?
Explain different types of d.c motors? Give their applications
State kirchoff current law?
How can we choose the rating of submersible motors
If o/p power is doubled by how much does the sound increase
I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?
How can ou verify the size of conductor 50Sq.mm ACSR
static chagre
On Which Pressure PRV is operated.
why single phase to grd test in HV cable?why not 2 phase at a time?
What is meant by control system?
what is the calculation involved to design the heater to heat 10KL of water in temperature control unit?
how we can set the IDMT relay.
3 shows a 415 V, 3-phase generator supplying a 3-phase 415/110 V transformer. Draw the individual and combined impedance diagrams to a base of 10 kVA. Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.
