ELE 754 Final: ELE 754 Fall 2002 Final Solution

• School: Ryerson University
• Department: Electrical Engineering
• Course: ELE 754
• Professor: All

Document Summary

Answer all four questions: show details of your derivations/calculations. Consider the switch mode dc power supply with a feedback controller shown in figure 1. A pi regulator is adopted to adjust the duty cycle d in order to keep output voltage. 48=refv following questions: assuming that the dc power supply operates in steady states, answer the. 1. 2) determine the operating mode of the converter (continuous or discontinuous current mode). 1. 3) calculate the peak current in switch di , pk. Then the converter runs in discontinuous current mode and the pi regulator automatically adjusts duty cycle to. Sketch to scale the following waveforms in steady state. Indicate on each waveform the maximum and minimum values. 8: the voltage waveform across the dc choke lv , the voltage waveform across the switch swv , the dc choke current li , the switch current di . ont offt.