级联H桥多电平变流器的CPS-SPWM实现方法研究  

Research on a CPS-SPWM Realization Method in Cascaded H-bridge Multilevel Converter

作　　者：吴宁 肖静 冯玉斌 杨艺云 WU Ning;XIAO Jing;FENG Yubin;YANG Yiyun(Electric Power Research Institute of Guangxi Power Grid Co.,Ltd.,Guangxi Nanning 530023,China)

机构地区：[1]广西电网有限责任公司电力科学研究院

出　　处：《广西电力》2019年第5期19-22,共4页Guangxi Electric Power

摘　　要：对级联H桥多电平变流器的CPS-SPWM技术调制原理进行分析,提出了基于TMS320F28377D处理器的CPSSPWM具体实现方案,并使用5电平级联H桥多电平变流器进行了实验验证。实验结果表明,TMS320F28377D处理器能够方便地实现CPS-SPWM技术,变流器输出的阶梯电压波形质量较高。该设计方案减少了硬件开发成本,具有较好的应用前景。The modulation principle of CPS-SPWM(carrier phase shift sinusoidal pulse width modulation)technology in cascaded H-bridge multilevel converter is analyzed and a specific implementation scheme based on TMS320F28377D processor is proposed.A 5-level cascaded H-bridge multilevel converter is tested by experiments.The results show that the CPS-SPWM technology can easily implemented by TMS320F28377D processor and the quality of the step voltage waveform output from the converter is higher.The design scheme reduces the hardware development costs and has a good application prospect.

关 键 词：级联H桥变流器 多电平 载波相移 正弦脉宽调制 

分 类 号：TM464[电气工程—电器]