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1-Phase Voltage Doublers Rectifier - Homework 4 | ECE 481, Assignments of Electrical and Electronics Engineering

The University of Tennessee (UT)Electrical and Electronics Engineering
Prof. Leon Tolbert

Material Type: Assignment; Professor: Tolbert; Class: Power Electronics; Subject: Electrical And Computer Engr; University: University of Tennessee - Knoxville; Term: Fall 2009;

Typology: Assignments

Pre 2010

Uploaded on 08/27/2009

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41 Exercise 4 1-Phase Voltage-Doubler Rectifier be 1 i load ——> load Nominal Values: Vs(rms) = 120 V at 60 Hz Ls = 1 mH C1 =C2 = 1,000 pF Rioad = 80 Q Problems 1. (a) Obtain vs, is and vg waveforms. (b) Obtain vc1, vc2 and vg waveforms, By means of Fourier analysis of ig, calculate its harmonic components as a ratio of Is1. Compare these to those in Exercise 3. Calculate the input displacement power factor, power factor and the %THD in the input current. Calculate Icap, the rms current through capacitor C1, as a ratio of the average load current Hoad.- Calculate the percentage peak-to-peak ripple AVq in vq as a ratio of the average Vq. How does this compare with that in Exercise 3. Reference: Section 5-4, pages 100 - 101.