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Research on the PWM Method of High Power AC Electrical Locomotive
Author(s): 
Pages: 173-178
Year: Issue:  2
Journal: Transactions of China Electrotechnical Society

Keyword:  大功率交流电力机车 低开关频率 脉宽调制 中间60°调制;
Abstract: 针对大功率交流传动电力机车最高开关频率比较低的特点,研究了其在整个速度范围内的调制策略,在低载波比条件下研究并分析了一种中间60°调制方案,在此基础上分析了在不同调制方法和不同载波比之间切换的原则,实现了异步调制、普通同步调制、中间60°调制以及方波之间的平滑切换,最后通过仿真和实验给予了验证。
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