电工技术学报  2017, Vol. 32 Issue (24): 88-96    DOI: 10.19595/j.cnki.1000-6753.tces.160667
电力电子 |
单相多模块电压源型逆变器
刘闯1, 田孝铜1, 王亚伟1, 蔡国伟1, 田新首2
1. 东北电力大学电气工程学院 吉林 132012;
2. 中国电力科学研究院新能源研究中心 北京 100192
Single-Phase Multi-Cell Voltage Source Inverter
Liu Chuang1, Tian Xiaotong1, Wang Yawei1, Cai Guowei1, Tian Xinshou2
1. School of Electrical Engineering Northeast Dianli University Jilin 132012 China;
2. Renewable Energy Research Center China Electric Power Research Institute Beijing 100192 China
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摘要 为实现低压直流到高压交流的变换,提出一种适用于低输入电压场合的单相多模块电压源型逆变器拓扑。产生同样大小的交流电压,电压源型逆变器(VSI)的直流侧电压仅需为传统H桥逆变器的1/3,因而更加适用于新能源发电系统和电池储能系统。介绍单相多模块VSI拓扑结构及工作原理,详细分析单极性PWM下电路运行特性,在此基础上完成电容器参数的设计,最后通过PSIM软件对该电路结构进行仿真,并搭建一个2kW的实验系统,对带有稳态负荷、阶跃负荷及感性负荷时的工作特性进行验证。仿真和实验结果表明,电容参数设计合理,提出的VSI具有较大的升压能力,并在阶跃负荷、感性负荷下依然具有良好的运行特性。
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刘闯
田孝铜
王亚伟
蔡国伟
田新首
关键词 单相电压源型逆变器多模块新能源发电单极性PWM电池储能系统    
Abstract:In order to realize power conversion from low DC voltage to high AC voltage, this paper presents a new breed of single-phase multi-cell voltage source inverter (VSI) topology suitable for low input voltage. This novel VSI can generate the desired AC voltage based on normally 1/3 of total DC voltage of traditional H-bridge inverters, which is more suitable for renewable generation systems and battery energy storage systems. The topology and operating principle of this new type of VSI were introduced, the circuit working characteristic was analyzed, and then the design method of capacitor was provided. In the end, a simulation model was built by the PSIM, and a 2kW hardware prototype was fabricated to test the performance characteristics of the topology with steady load, step load and inductive load. The simulation and experimental results verify that the designed capacitance parameter is proper, and this novel VSI has the step-up function and achieves good performance with step load and inductive load.
Key wordsSingle-phase voltage source inverter    multi-cell    renewable generation    unipolar PWM    battery energy storage system   
     出版日期: 2018-01-16
PACS: TM464  
作者简介: 田孝铜 男,1992年生,硕士,研究方向为智能配电网技术。E-mail: 15898692017@163.com
引用本文:   
刘闯, 田孝铜, 王亚伟, 蔡国伟, 田新首. 单相多模块电压源型逆变器[J]. 电工技术学报, 2017, 32(24): 88-96. Liu Chuang, Tian Xiaotong, Wang Yawei, Cai Guowei, Tian Xinshou. Single-Phase Multi-Cell Voltage Source Inverter. Transactions of China Electrotechnical Society, 2017, 32(24): 88-96.
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