摘要
分析了基于电平对象的多电平控制策略——2电平矢量拓展法在控制逻辑结构上的冗余,精简了其控制结构,并在新的电平标量意义下提出了新的基于电平对象的多电平控制策略——电平标量合成法.该方法具有控制复杂度小,并且适用于多电平系统的优点.同时,还针对调制过程中可能出现的电平溢出问题,提出了零序分量补偿的解决方案.仿真结果证明了电平标量合成法的可行性和通用性,也证明了零序分量补偿方案可以进一步增大可调制区域的范围.
Structure of ETSVM （extended two-level space vector modulation）, a universal multilevel scheme, was researched. As an elicitation, the SLS （scalar level synthesization） scheme is proposed as an improvement of level-based scheme, which shows the simplicity and universality for multilevel system. Additionally, a zero-sequence compensation algorithm is designed to partially solve the overflow of voltage level value. Simulation results indicate the validity of the SLS scheme with zero-sequence compensation.
出处
《华中科技大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2009年第1期123-125,共3页
Journal of Huazhong University of Science and Technology(Natural Science Edition)
关键词
多电平
控制策略
电平标量合成
零序分量补偿
电平溢出
multilevel control strategy
universal scheme
scalar level synthesization
zero-sequencecompensation
level overflow
