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数控电气传动中的SPWM波形缺点及改进分析

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摘要 本文主要介绍正弦脉冲宽度调制(SPWM)的基本工作原理,分析电气控制系统中SPWM波形的缺点,如不能消除足够多的谐波、死区效应及存在过零点振荡等,并针对这些缺点提出相应的改进措施,以提高其控制性能。
作者 谢超明
出处 《数字技术与应用》 2014年第8期31-32,共2页 Digital Technology & Application
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