电工技术学报  2024, Vol. 39 Issue (15): 4733-4754    DOI: 10.19595/j.cnki.1000-6753.tces.230920
电机及其系统 |
非理想运行条件下双馈感应发电机转矩脉动抑制方法综述
刘毅1,2, 张茂鑫1, 徐伟1,2, 葛健1, 陈亚红1, 李明贤3, 董义鹏3
1.强电磁技术全国重点实验室(华中科技大学电气与电子工程学院) 武汉 430074;
2.深圳华中科技大学研究院 深圳 518052;
3.淄博京科电气有限公司 淄博 255000
Review of Torque Ripple Suppression Methods for Doubly Fed Induction Generator under Non-Ideal Operating Conditions
Liu Yi1,2, Zhang Maoxin1, Xu Wei1,2, Ge Jian1, Chen Yahong1, Li Mingxian3, Dong Yipeng3
1. State Key Laboratory of Advanced Electromagnetic Technology School of Electrical and Electronic Engineering Huazhong University of Science and Technology Wuhan 430074 China;
2. Research Institute of Huazhong University of Science and Technology in Shenzhen Shenzhen 518052 China;
3. Zibo Jingke Electric Co. Ltd Zibo 255000 China
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摘要 在非正弦和不平衡运行条件下,双馈感应发电机会面临显著的转矩脉动问题,严重威胁系统的安全稳定运行,因此有必要采取转矩脉动抑制措施。近些年,诸多学者针对该问题进行了广泛研究,并取得了一系列的科研成果,但鲜有对其进行总结归纳的文献。为此,该文首先介绍了双馈感应发电机系统结构,分析了非正弦和不平衡运行条件下转矩脉动成因,并明确了转矩脉动抑制的主要目标。其次,从硬件结构改进法和控制策略改进法两方面对现有技术方案进行归类总结,并从七个维度进行综合对比分析。最后,从软硬件协同抑制、参数鲁棒性提升、谐波损耗抑制和故障穿越四个方面对双馈感应发电机转矩脉动抑制方法的未来发展趋势进行了展望。
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刘毅
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关键词 非正弦运行不平衡运行双馈感应发电机转矩脉动抑制    
Abstract:Under non-sinusoidal and unbalanced operating conditions, the doubly fed induction generator (DFIG) encounters significant torque ripple issues, which can severely damage the gearbox and drive shaft and threaten the safety and stable operation of the system. In recent years, numerous solutions have been proposed. This paper classifies and summarizes the existing technical solutions, enabling scholars in related fields to quickly understand the research status and development trends, thereby promoting the further development of torque ripple suppression technology for DFIG.
Existing technical solutions can be divided into hardware structure improvement and control strategy improvement methods. The hardware structure improvement method mainly includes using multi-pulse rectifiers, adding passive filters, and using voltage source converters. This method can effectively suppress torque ripple but requires changing the machine structure or adding additional equipment. As a result, the system cost is high, so the hardware structure improvement method is often used in the system design stage. The control strategy improvement method is the most commonly used, including the torque closed-loop control method, the torque open-loop control method, the non-ideal component elimination method, and the multi-objective predictive control method. The torque closed-loop control method can achieve high-precision torque control and has good system stability but its target extensibility is low, which is often used in applications requiring high torque quality. The torque open-loop control method has strong target extensibility and is often employed in systems with multiple control targets. However, the torque open-loop control method highly depends on machine parameters, and the parameter perturbation seriously affects the torque ripple suppression performance. The non-ideal component elimination method is relatively simple to control. However, it cannot simultaneously eliminate non-ideal components of voltage and current, and the effect of torque ripple suppression is unsatisfactory. This method is usually adopted in applications requiring high voltage or current quality. The multi-objective predictive control method can achieve multi-target collaborative optimization. However, no general method exists to optimize the weight factors for multiple control targets.
In the future, the DFIG power generation system should adopt a collaborative suppression method combining hardware structure and control strategy improvement methods to restrain torque ripple more economically and effectively. Additionally, the control strategy improvement method should include parameter identification, parameter-free control, and harmonic loss suppression to improve the machine parameter robustness and efficiency of the control system. Furthermore, the torque ripple suppression method under the fault state of the DFIG system needs to be further explored to improve the system’s fault-crossing ability.
Key wordsNon-sinusoidal operation    unbalanced operation    doubly-fed induction generator    torque ripple suppression   
收稿日期: 2023-06-14     
PACS: TM315  
基金资助:广东省基础与应用基础研究基金项目(2023A1515012025)、国家自然科学基金面上项目(52277050)、深圳市国际合作项目(GJHZ20210705142539007)、中央高校基本科研业务费专项资金项目(2021XXJS002)和山东省优秀青年基金项目(ZR2020YQ40)资助
通讯作者: 徐 伟 男,1980年生,教授,博士生导师,研究方向为电机设计、控制及系统集成应用。E-mail: weixu@hust.edu.cn   
作者简介: 刘 毅 男,1982年生,博士,讲师,研究方向为双馈电机控制技术。E-mail: liuyi82@hust.edu.cn
引用本文:   
刘毅, 张茂鑫, 徐伟, 葛健, 陈亚红, 李明贤, 董义鹏. 非理想运行条件下双馈感应发电机转矩脉动抑制方法综述[J]. 电工技术学报, 2024, 39(15): 4733-4754. Liu Yi, Zhang Maoxin, Xu Wei, Ge Jian, Chen Yahong, Li Mingxian, Dong Yipeng. Review of Torque Ripple Suppression Methods for Doubly Fed Induction Generator under Non-Ideal Operating Conditions. Transactions of China Electrotechnical Society, 2024, 39(15): 4733-4754.
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