A voltage sensorless technique for a shunt active power filter adopting band pass filter under abnormal supply conditions

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

Electric Power Systems Research Pub Date : 2024-10-11 DOI:10.1016/j.epsr.2024.111133

Ahmed M.M. Nour , Ahmed A. Helal

引用次数: 0

Abstract

Shunt active power filters (SAPFs) are effective in addressing power quality issues such as harmonics and voltage unbalance. During abnormal grid conditions, there will be a substantial variation in both the actual and reactive power of the system. Various SAPF control approaches were employed to address these issues. This paper presents an improved bandpass filter technique that serves multiple purposes: extracting the reference current harmonic for SAPF, providing reactive current for power factor correction, and functioning as a backup synchronization method in the event of a loss of bus voltage measurement. Furthermore, it should be minimally affected by the unbalance in supply voltage. The case study model and the proposed reference technique have been executed and validated using the MATLAB software environment.

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异常供电条件下采用带通滤波器的并联有源电力滤波器的无电压传感器技术

并联有源电力滤波器（SAPF）可有效解决谐波和电压不平衡等电能质量问题。在异常电网条件下，系统的实际功率和无功功率都会出现大幅变化。为解决这些问题，人们采用了各种 SAPF 控制方法。本文介绍了一种改进的带通滤波器技术，它具有多种功能：为 SAPF 提取参考电流谐波，为功率因数校正提供无功电流，以及在母线电压测量丢失的情况下作为备用同步方法。此外，它还应尽量不受电源电压不平衡的影响。使用 MATLAB 软件环境执行并验证了案例研究模型和建议的参考技术。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.