电工技术学报  2019, Vol. 34 Issue (16): 3386-3395    DOI: 10.19595/j.cnki.1000-6753.tces.180877
电力电子 |
单相逆变电源电压双闭环矢量控制方法
宋崇辉1, 徐涛1, 王振环2, 刁乃哲1, 陈宏志1
1. 东北大学信息科学与工程学院 沈阳 110819;
2. 潞安集团司马煤业有限公司 长治 046000
A Vector Control Method of the Single-Phase Inverter Power Supply Based on Voltage Double Closed-Loop
Song Chonghui1, Xu Tao1, Wang Zhenhuan2, Diao Naizhe1, Chen Hongzhi1
1. College of Information Science & Engineering Northeastern University Shenyang 110819 China;
2. Luan Group Sima Coal Industry Co. Ltd Changzhi 046000 China
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摘要 针对单相逆变电源提出一种电压双闭环矢量控制方法。该方法将单相电路拓展成三相电路,由逆变电源输出电压延拓出另两相电压,将其合成电压矢量,电压外环将电压矢量在同步旋转坐标系下进行闭环控制,实现输出电压在稳态下无偏差地跟踪目标值;电压内环通过设计虚拟电路改变系统电感值来实现近似解耦及提高系统的动态响应。与传统双闭环相比,提出的电压双闭环矢量控制,只需对输出电压进行反馈控制而无需涉及电流,即可以实现真正近似解耦来提高系统性能,也可以降低硬件系统的复杂性。通过仿真与实验表明,所设计的控制系统具有良好的静态和动态特性,在负载频繁变换的情况下,可实现逆变电源的无偏差输出。
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宋崇辉
徐涛
王振环
刁乃哲
陈宏志
关键词 单相逆变电源电压双闭环矢量控制三相拓展虚拟电路    
Abstract:A vector control method based on voltage double closed-loop is proposed for the single-phase inverter power supply. This method extends a single-phase circuit into a three-phase circuit. By the three-phase circuit, a voltage vector is synthesized. The voltage outer-loop is to control the voltage vector in the dq coordinate system, and the output voltage can track the target value without deviation in steady state. The voltage inner-loop is to achieve approximate decoupling and improve the dynamic response by designing a virtual circuit. Compared with the traditional double closed-loop control, the proposed voltage double closed-loop control scheme only needs to detect and control the voltage without the current. It can not only achieve true approximate decoupling to improve system performance, but also reduce the complexity of hardware system. The simulated and experimental results show that the single-phase inverter has good static and dynamic characteristics in the case of frequent load changes.
Key wordsSingle-phase inverter power supply    voltage double closed-loop    vector control    three-phase expansion    virtual circuit   
收稿日期: 2018-05-22      出版日期: 2019-09-02
PACS: TM464  
基金资助:国家自然科学基金资助项目(61773006)
通讯作者: 宋崇辉 男,1973年生,副教授,博士生导师,研究方向为复杂工业自动化、电力系统自动化、电力电子与电力传动。E-mail: chonghui.song@gmail.com   
作者简介: 徐 涛 男,1993年生,硕士研究生,研究方向为电源设计、电机控制。E-mail: fightingdays@outlook.com
引用本文:   
宋崇辉, 徐涛, 王振环, 刁乃哲, 陈宏志. 单相逆变电源电压双闭环矢量控制方法[J]. 电工技术学报, 2019, 34(16): 3386-3395. Song Chonghui, Xu Tao, Wang Zhenhuan, Diao Naizhe, Chen Hongzhi. A Vector Control Method of the Single-Phase Inverter Power Supply Based on Voltage Double Closed-Loop. Transactions of China Electrotechnical Society, 2019, 34(16): 3386-3395.
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https://dgjsxb.ces-transaction.com/CN/10.19595/j.cnki.1000-6753.tces.180877          https://dgjsxb.ces-transaction.com/CN/Y2019/V34/I16/3386