Method for selection of switches for power electronic converters

This paper describes the educational method for selection of semiconductor switches based on the results of simulated behaviour of the converter circuit with ideal switches. The current-voltage relations on the converter circuit ports and the converter topology determine the requirements for the static and switching characteristics of semiconductor switches. Selection of the switches is illustrated with examples of a full-bridge rectifier with a resistive-inductive load, a buck converter with a resistive-inductive load and a resonant inverter.