三电平变换器SVPWM控制算法的研究  

A Novel SVPWM Algorithm for Three-level Neutral-point-clamped Converter

作　　者：赵莉华[1] 何雄[2] 黄念慈[1] 

机构地区：[1]四川大学,四川成都610065 [2]株洲电力机车研究所,湖南株洲412001

出　　处：《电力电子技术》2008年第3期63-65,共3页Power Electronics

摘　　要：对二极管箝位型三电平变换器的SVPWM控制算法进行了研究,提出一种基于非正交60°坐标变换的SVPWM调制简便算法。该算法克服了传统SVPWM算法中涉及三角函数运算而导致运算量大的缺点。通过实验验证了该算法的正确性和有效性。A novel SVPWM algorithm for three-level neutral-point-clamped converter is presented.This algorithm transforms the reference space vector into the 60°coordinate system.It overcomes the shortcoming of traditional algorithm involving the difficult calculation of trigonometric function.The simulative and experimental results proved the validity of this algorithm.

关 键 词：变换器 脉宽调制 控制/空间矢量 

分 类 号：TM46[电气工程—电器]