使用基于自适应金鹰优化器的改进型分数阶 PID 滑动模式观测器进行双馈变流器故障检测

IF 1.6 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Dongdong Li, Pengtao Xu, Xiaolu Li, Yao Zhao, Shunfu Lin
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引用次数: 0

摘要

本文介绍了一种利用改进型分数阶 PID 滑动模式观测器(IFOPID-SMO)进行双馈感应发电机(DFIG)故障检测的方法。与其他观测器相比,IFOPID-SMO 能有效消除颤振,表现出卓越的稳定性和更快的收敛速度。首先,采用定子电压导向矢量控制方法建立双馈变流器的非线性空间状态矢量方程,然后根据双馈变流器的数学模型构建 IFOPID-SMO 并估计转子的 d-q 轴电流。其次,利用自适应金鹰优化算法对观测器参数进行优化,从而显著提高观测器的收敛速度和稳态精度。此外,利用李亚普诺夫第二定律分析了 IFOPID-SMO 的渐近稳定性,保证了系统状态快速稳定地收敛到稳定值。最后,分别检测了 DFIG 的三种故障,包括定子匝间短路故障、转子匝间短路故障和转子电流传感器故障。通过双馈风力发电试验台在无故障和三种故障运行条件下记录的数据,证明了 IFOPID-SMO 的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Fault Detection of DFIG Using an Improved Fractional-Order PID Sliding Mode Observer Based on the Adaptive Golden Eagle Optimizer

Fault Detection of DFIG Using an Improved Fractional-Order PID Sliding Mode Observer Based on the Adaptive Golden Eagle Optimizer

This paper presents a fault detection approach for doubly-fed induction generators (DFIG) utilizing an improved fractional-order PID sliding mode observer (IFOPID-SMO). The IFOPID-SMO eliminates chattering and demonstrates superior stability effectively and has a faster convergence speed compared to other observers. Firstly, the stator voltage-oriented vector control method is employed to establish the nonlinear space state vector equation of the DFIG. Then, the IFOPID-SMO is constructed based on the DFIG’s mathematical model, and the d-q axis currents of the rotor are estimated. Secondly, the observer parameters are optimized using the adaptive golden eagle optimization algorithm, which enhances the convergence speed and steady-state accurateness of the observer significantly. Furthermore, the asymptotic stability of the IFOPID-SMO is analyzed by Lyapunov’s second law, which guarantees that the system state converges to a steady value rapidly and stably. Finally, three faults of DFIG including stator inter-turn short-circuit fault, rotor inter-turn short-circuit fault, and rotor current sensor faults are detected respectively. The effectiveness of the IFOPID-SMO is demonstrated through the data recorded of a doubly-fed wind power test bench under unfaulty and three faulty operation conditions.

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来源期刊
Journal of Electrical Engineering & Technology
Journal of Electrical Engineering & Technology ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
4.00
自引率
15.80%
发文量
321
审稿时长
3.8 months
期刊介绍: ournal of Electrical Engineering and Technology (JEET), which is the official publication of the Korean Institute of Electrical Engineers (KIEE) being published bimonthly, released the first issue in March 2006.The journal is open to submission from scholars and experts in the wide areas of electrical engineering technologies. The scope of the journal includes all issues in the field of Electrical Engineering and Technology. Included are techniques for electrical power engineering, electrical machinery and energy conversion systems, electrophysics and applications, information and controls.
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