第一篇讲述了用于软件开关技术的1200V反向导通IGBT,第二篇为美籍科学家、著名电力电子专家、田纳西大学教授B.K.Bose博士/教授应邀来华讲学,于2005年8月所做学术报告的第一部分。主要讲述了电力电子学的重要性及其应用,特别是对节能和新能源的开发应用。B.K.Bose教授还回顾了电力电子技术的发展历史及电力半导体器件、电力电子变换器、传动用电机的发展现状。 The first describes the 1200V reverse conduction IGBT used in software switching technology. The second is a famous American scientist and renowned power electronics expert. Dr. BKBose, a professor at the University of Tennessee, was invited to give lectures in China and was done in August 2005 The first part of the academic report. Mainly describes the importance of power electronics and its applications, especially for energy-saving and new energy development and application. Professor B.K.Bose also reviewed the history of the development of power electronics and the development of power semiconductor devices, power electronic converters, and transmission motors.