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何健,魏佳丹,赵刚,周波.新型三相-单相交流发电系统拓扑结构及其控制策略仿真研究[J].电源学报,2017,15(4):72-78
新型三相-单相交流发电系统拓扑结构及其控制策略仿真研究
Simulation Study on Topology and Control Strategy of Novel Three-phase to Single-phase AC Power Generation System
投稿时间:2015-12-08  
DOI:10.13234/j.issn.2095-2805.2017.4.72
中文关键词:  三相-单相交流变换器  开绕组  永磁同步发电机  直流侧电压控制  单相交流输出
英文关键词:three-phase to single-phase AC converter  open-winding permanent magnet synchronous motor (PMSM)  DC-link voltage control  single-phase AC output
基金项目:国家自然科学基金资助项目(51207070)
作者单位E-mail
何健 南京航空航天大学自动化学院, 南京 210016  
魏佳丹 南京航空航天大学自动化学院, 南京 210016 weijiadan@nuaa.edu.cn 
赵刚 国网常熟供电公司, 苏州 215000  
周波 南京航空航天大学自动化学院, 南京 210016  
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中文摘要:
      针对传统三相-单相交流变换器拓扑结构复杂且需要额外的滤波器等的不足,基于永磁同步电机开绕组的特点,提出了一种新型三相-单相交流发电系统拓扑结构。分析了通过对双变换器直流侧电容电压的控制实现单相交流输出的工作原理,并在此基础上提出了一种通过永磁同步电机的正序电流和零序电流分别实现变换器直流侧的电容电压和单相交流输出电压解耦控制的新型控制策略。该策略采用MATLAB构建系统仿真模型,在不同发电机转速和负载情况下对系统进行了仿真分析,验证了该新型三相-单相交流拓扑无需使用额外的滤波电路即可实现高质量的单相交流电压输出,其幅值、频率均可以灵活调节,且具有优异的动态特性。
英文摘要:
      Due to complex structure and the extra required filter for the traditional topology of the three-phase to single-phase AC converter, a novel three-phase to single-phase AC power generation system topology is proposed based on the characteristics of the open-winding permanent magnet synchronous motor(PMSM) in this paper. First, the voltage control of the DC-link capacitor of the dual inverter is analyzed for the operation principle of the single-phase AC output of the proposed system. Then, the positive-sequence and zero-sequence current are employed to obtain the decouple control for the DC-link voltage and single-phase AC output voltage in the novel control strategy. The Simulation model of the proposed system based on the software of Matlabis built to verify that the generation system could achieve high performance single-phase AC output without any additional filter circuit in the case of variable speed and load condition, and the amplitude and the frequency of the output voltage can be regulated flexibly for the excellent dynamic characteristics.
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