摘要
三相逆变器在实际运行中,不平衡负载工况较为常见,原因是传统积分控制加状态反馈控制无法实现三相输出电压的对称性。针对该问题提出了不平衡负载条件下三相逆变器新型积分控制加状态反馈控制策略,并通过仿真和实验验证了该策略能有效降低不平衡负载时三相逆变器输出电压的不平衡度,从而获得对称的三相输出电压波形。
The unbalance load is very common in the three-phase inverter system. As the traditional state-feedback and integral control strategy can not meet the symmetry of voltage output, a novel state-feedback and integral control technique is proposed. The simulative and experimental results verify that this strategy can effectively reduce the output voltage unbalance caused by the unbalanced load, thereby obtaining high-quality voltage waveforms of the three-phase inverter system.
出处
《海军工程大学学报》
CAS
北大核心
2014年第6期6-11,共6页
Journal of Naval University of Engineering
基金
国家重点基础研究发展计划资助项目(2012CB215103
2013CB035601)
新世纪优秀人才支持计划资助项目(NECT-11-0871)
关键词
三相逆变器
不平衡负载
电压对称性
信号延迟对消技术
three-phase inverter
unbalanced load
voltage symmetry
DSC （delay signal cancella tion）
