Study and teach different operational areas of a converter using an experimental short video

Abstract

One of the basic and important topics is students’ familiarity with practical work. One of the interesting subfields of experimental tests is understanding the waveforms and stability of the system. Different methods for student activities in the classroom are introduced to get acquainted with some examples of these signals and their behavior. Four waveforms are examined. Two waveforms for the state variables are considered in a DC-DC converter: the inductor current and capacitor voltage. The behavior of these waveforms is investigated for changes in a parameter of the modulated-hysteresis current controller. The command signal for the switch of this converter is also studied. Different tests to study a DC-DC boost converter in different operating areas, such as T-periodic and multi-periodic are shown by changing a control parameter at several operating points.