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what is the difference between scaler and vector control in drive and where it is to be used ?
1 13966what we happen if 400 kvar cpacitor banks are on in manual mode and there is no load on mains ??????????????
7 11149Post New Electrical Engineering Questions
How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?
What is the difference between Delta & Wye windings?
What is the necessary and sufficient condition for stability.
advantages and disadvantages of inverse definite minimum time RELAY
Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??
how many types are their in switchyard or substation(like D,I TYPE), what is differant between them
If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.
What is George phenomena to start the synchronus machine?
control & auxilary circuits used for circuir breakers
PLZ SEND ME SOME UNIQUE PROJECT OF ELECTRICAL ENG (B.TECH)
10 tube light connect in mcb breaker.one tube light is fault.so breaker is tribe.how fault is rectified.(using 3wire phase,earth,neutral)
What is the function of probe in cro?
how to find ratio of CT & PT in 66/11kv 12 mva supply system ? explain with calculation.
What type of a DC motor would you use for a lift?
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.
