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Q. A single-phase, 3-kVA, 220:110-V, 60-Hz transformer has a high-voltage winding resistance of 0.3 , a low-voltage winding resistance of 0.06 , a leakage reactance of 0.8 on its high voltage side, and a leakage reactance of 0.2 on its low-voltage side. The core loss at rated voltage is 45 W, and the copper loss at rated load is 100W. Neglect the exciting current of the transformer. Find the per-unit voltage regulation when the transformer is supplying full load at 110 V and 0.9 lagging power factor.
The expression given in Problem for (S 0 /N 0 )PCM is plotted for a sinusoidal message in Figure to show the performance curves for a PCM system using a polar waveform. (a) Comm
Particles of mass M and m separated in space by a distance R exert a mutually attractive gravitational force F on one another given by where G is the universal gravitationa
A 3-kVA, 220:110-V, 60-Hz, single-phase transformer yields these test data: • Open-circuit test: 200 V, 1.4 A, 50 W • Short-circuit test: 4.5 V, 13.64 A, 30 W Determine th
1- phase Full Bridge Inverter with R- Load 1-phase full bridge inverter with resistive load R i it has advantage over 1-? half bridge inverter that it does not require
Q. Explain Time-Dependent Circuit Analysis? The response of networks to time-varying sources is considered in this chapter. The special case of sinusoidal signals is of particu
Find C and Rb
Disconnection of Supply: An Appellate Tribunal has been created over the Commissions for speedy dispute resolution. It is assumed to adjudicate appeals against orders of the a
1. (a) Consider a sinusoidal signal m(t) = A cos(2 Π f m t) applied to a delta modulator with step size . Determine the range of the step size so that slope overload will be avoide
disadvantage of series & shunt clipper
assignment requirement and specification
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