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Can any answer me ,What will be the range of C.T coil for L&T energy meter EM301 used for 180 kva DG set
2238We all have seen transmission and Distribution lines In transmission lines the voltage is high and current is low(to reduce I^2r loss) and in distribution lines voltage is low but current is high however the size of transmission wires is bigger than that of distribution wires even though the amount of current carried by the distribution lines is more than that of transmission lines why?
4 6969Pl.brief me about Electrical power distribution system from Main generating station to Industry.What is the use of in between station.
ARDE,
2149in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.
1926Post New Electrical Engineering Questions
1- XC and the RC time constant are both measures of the reaction of C to a change in ____? 2-The power factor is a numerical ratio with a value between 0 and 1 equal to the ______________ of the phase angle. 3-When V and I are out of phase because of reactance, the product of V times I is called ______________ power 4-For _____________ inductors, the branch currents can be added algebraically. 5- The ______________ power in watts can be calculated as I^2R 6-Calculate XL with L = 30mH and f = 1kHz ( I have Xl=2piFL 2*3.141592653*1kHz*30mH =188 ohms Please check) 7-A parallel RL circuit has the values, R = 5kohms, XL = 5kohms. A voltage source of Vt = 10Vrms is connected in parallel to R and L. Determine the total current, It delivered by the voltage source Vt. 8-A series RC circuit has R = 1Mohm and C = 1microF. How long would it take for the capacitor to fully discharge if it is initially fully charged? 9-A circuit has real power = 300W and an apparent power of 500VA. Determine the power factor and phase angle. 10-The time constant for an LR series circuit is T = 0.1s and R = 10ohms. Calculate the inductance L.
Which motor connection is preferable star-delta or delta-star?
Mention how NPN and PNP transistor works?
Define characteristics impedance?
how technical is calculated in 11kv line and lt line
some basic standard questions on transformer.
how to calculate cooling requirement of datacentre from electrical load?
What is DTR erection?
What is the safety of UPS?
wht is embedded systems? what is new inthis field?
how oltc works in rectiformers of higher rating (27 mva,200v dc,120kamps) please provide me full information with diaggram.
Can any body tell gulf interview question for experienced electrical engineer ?
various transmission tower like .,D tower ,K.C.O tower ,C.C.O tower,K.C.R tower ,C.C.R tower ,H.C.O tower in different tons.
I want to calculate how much capacitor we connect to maintain the unity power factor? Is there any formula? Pls give me the answer
In Power Line Communication (PLC) the wave trap is used to block communication signals from entering neighboring lines. My question is this: Why do they allow for different filtering arrangements on these wave traps? Isn't it always going to be a low pass filter since we want the power frequency to go through, and the comm signal blocked?
