说明：  变频调速SVPWM技术的原理，算法及其应用，曾允文编写，是国内第一本介绍SVPWM的书籍。机械工业出版社，电气自动化新丛书系列
(The SVPWM technology principle of frequency control algorithm and its application, has allowed the text to write, is the first introduction the SVPWM' s books. Machinery Industry Press, the new Series Electric Automation)