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why do you add the load short circuit impedance when considering short circuit amperage. It seems that you should only consider supply. If you need to consider loads and you don't know what loads are to be added , what would be a good sub-transient reactance rating for the loads?
1842What the capacitor Current formula?, For 1 KVAr how amps its required? for using the KVAr for boosting the PF Design Calculation.( Eg: for 30 KVAr required how many KW?)
17 229655Is HT capacitor rating connected directly to motor terminals , related to motor no load current?
2035What exactly is meant by harmonics and harmonic current?? and what is skewing with regard to this??
2 5693What do you mean by distributed winding in alternators? how exactly is 3 phase power generated?
2 10453what will happen at secondary side of transformer if i increase voltage at primary side?while V1*I1=V2*I2 will secondary voltage or current increase?
2 6873For a three phase induction motor, what will be the effect on motor if the neutral of the system is shifted to say 20 deg.?
1883What is ferro-resonance in electrical system? Why it occurs and what are measures to prevent it?
2292Post New Electrical Engineering Questions
i am completed my degree(B.E EEE) 2014 anychance to get electrical licence plz help me
what is the relationship between current&voltage in practical purpose ?
Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..
Why different Pressure switch used in marine boiler water circulation system
what is under coal gassification?
what precautions to be taken while desigining a LT,HT panel. Eg-LT panel PCC panel with ACB installed. HT panel VCB panel with VCB installed. & what is main diffrence betwn IP54 & IP55 construction of panel.
what is the relation between reactive power and power factor for the what is the limit of reactive power and power factor
during installation time of transformer and alternator which points we have to observed?
How to determine alternating current frequency?
How to use earthing on shipments.
Is there any Institution for giving M-tech in Electrical engineering for those who r in service? Give the details please.
State the points to be considered for selecting a particular type wiring.
1.ZEBRA conductor(large size) 2.KUNDHA conductor( small size ) 3.panther conductor(very small ) 4.lepard conductor (very very small)
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.
What are the section criteria for cables. Now everywhere XLPE power cable is used or PVC is also used?.
