摘要
多电平变换器的调制策略与其主电路拓扑密切相关。文章首先讨论了几种多电平变换器的拓扑特点,推荐了一种混合型多电平变换器,分析了它的几种调制策略和频谱特性,并进行了电路仿真,比较了它们之间的优劣,给出了连续调制方式下的频谱表达式,仿真验证了结果的正确性,最后总结了几点有用的结论。
The modulating strategies of multilevel converters are closely related to its main circuit topology. In this paper, the topology characteristics of several multilevel converters are compared and discussed, and a hybrid multilevel converter are recommended. Several modulating strategies and spectrum characteristics are analyzed. The spectrum expression of continuous modulation is given. Simulation results are presented to discuss their advantages and disadvantages, to certify the validity of the result. In the end, several useful conclusions are summarized.
出处
《通信电源技术》
2007年第3期4-7,共4页
Telecom Power Technology
关键词
混合级联多电平变换器
调制策略
频谱特性
拓扑结构
hybrid multilevel converter
modulating strategy
spectrum characteristics
topology
