大功率GTO逆变器磁链轨迹PWM控制方法  

Magnetic flux linkage locus PWM control method of high power GTO traction inverter

作　　者：张黎[1] 

机构地区：[1]铁道部科学研究院

出　　处：《机车电传动》1997年第1期43-46,共4页Electric Drive for Locomotives

基　　金："八五"国家重点科技攻关项目

摘　　要：大功率ＧＴＯ逆变器用于铁路电力牵引，其ＰＷＭ控制与一般工业领域中的变频调速系统的ＰＷＭ控制有很大不同。文章在分析了磁链畸变对电机转矩脉动影响的基础上，针对大功率ＧＴＯ逆变器ＰＷＭ控制技术的特点，提出了适用于铁路电力牵引的零矢量载波磁链轨迹ＰＷＭ控制原理及实现方法。High power GTO inverter is used for railway electric traction.Its PWM control is significantly different from variable frequency drive system in conventional industrial area.Onthebasis oftheanalysis of the influence of the magnetic flux linkage deviation to the motor torgue ripple,in consideration of the technical features of PWM control of the high power GTO inverter,the paper explains the magnetic flux linkage locus PWM control rationale and realized method based on the zerovector carrier for railway electric traction,and the experimental results presented at the end of the paper proves that the control method is viable.

关 键 词：逆变器 微机控制 电力机车 PWM控制 

分 类 号：U264.372[机械工程—车辆工程]