基于 DMD 的在线卡尔曼滤波器，用于 MMC-HVDC 输电系统的电流传感器容错控制

IF 3.3 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Electric Power Systems Research Pub Date : 2024-10-08 DOI:10.1016/j.epsr.2024.111144

Yuxi Liu , Yuexi Yang , Xiao Zhou , Yang Liu , Q.H. Wu

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引用次数: 0

摘要

随着基于模块化多电平转换器的高压直流输电（MMC-HVDC）的应用日益广泛，模块化多电平转换器的传感器容错能力变得至关重要。本文旨在利用先进的数据驱动技术提高 MMC-HVDC 系统的传感器容错性能。本文设计了一种基于卡尔曼滤波器的新型在线动态模式分解（ODMDKF），用于故障检测和控制重新配置。此外，还提出了一种基于局部离群因子算法的改进型双检查故障检测模块，以降低误报率。仿真研究是在带 MMC-HVDC 输电线路的改进型 IEEE 9 总线系统上进行的。结果表明，所提出的传感器容错控制方法可确保 MMC-HVDC 系统在三种电流传感器故障情况下连续运行，其容错能力优于基于扩展卡尔曼滤波器的容错控制方法。

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Online DMD-based Kalman filter for current sensor fault-tolerant control of MMC-HVDC transmission systems

With the growing application of modular multilevel converter based high-voltage direct current transmission (MMC-HVDC), the sensor fault-tolerant capability in modular multilevel converters has become critical. This paper aims to boost the sensor fault-tolerant performance of the MMC-HVDC systems using advanced data-driven techniques. A novel online dynamic mode decomposition based Kalman filter (ODMDKF) is designed for fault detection and control reconfiguration. Besides, a modified dual-check fault detection module based on local outlier factor algorithm is proposed to reduce false alarm rate. Simulation studies are conducted on a modified IEEE 9-bus system with MMC-HVDC transmission lines. The results indicate that the proposed sensor fault-tolerant control method can ensure the continuous operation of the MMC-HVDC systems under the condition of three types of current sensor faults and its fault-tolerant capability is better than that of extended Kalman filter-based fault-tolerant control method.

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来源期刊

Electric Power Systems Research 工程技术-工程：电子与电气

CiteScore

7.50

自引率

17.90%

发文量

963

审稿时长

3.8 months

期刊介绍： Electric Power Systems Research is an international medium for the publication of original papers concerned with the generation, transmission, distribution and utilization of electrical energy. The journal aims at presenting important results of work in this field, whether in the form of applied research, development of new procedures or components, orginal application of existing knowledge or new designapproaches. The scope of Electric Power Systems Research is broad, encompassing all aspects of electric power systems. The following list of topics is not intended to be exhaustive, but rather to indicate topics that fall within the journal purview. • Generation techniques ranging from advances in conventional electromechanical methods, through nuclear power generation, to renewable energy generation. • Transmission, spanning the broad area from UHV (ac and dc) to network operation and protection, line routing and design. • Substation work: equipment design, protection and control systems. • Distribution techniques, equipment development, and smart grids. • The utilization area from energy efficiency to distributed load levelling techniques. • Systems studies including control techniques, planning, optimization methods, stability, security assessment and insulation coordination.