【摘要】 近年来,为了解决逆变系统中主开关低耐压值与电力系统中高电压值直接匹配的矛盾,多电平逆变器在大功率场合应用越来越广泛.提出并分析了五电平逆变器的思想和工作原理,提出了适用于五电平逆变器的多载波调制技术,并对其输出电压进行了仿真分析.更多还原

【Abstract】 In the recent years,the use of multilevel inverters has been becoming popular to overcome the difficulty in applying the low voltage main switch devices to high voltage system.The thought and basic principle of five-level inverters are analysed,the multicarrier PWM modulation strategies are proposed and the output voltage is simulated.更多还原