Medium voltage industrial distribution system power quality assessment utilizing multi-resolution decomposition techniques

Canadian Conference on Electrical and Computer Engineering 2001. Conference Proceedings (Cat. No.01TH8555) Pub Date : 2001-05-13 DOI:10.1109/CCECE.2001.933555

E. El-Saadany, T. Abdel-Galil, M. Salama

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引用次数: 6

Abstract

Power quality problems refer to a wide variety of disturbances that characterize the voltage and current at a given time and at a given location on any power system. The increasing importance of power quality in a deregulated era has emphasized the importance of characterizing different phenomena that occur in voltage and current. This paper focuses on capacitor switching events, which cause a temporary variation in the fundamental frequency voltage magnitude in a medium voltage industrial distribution system. The aim of the paper is to investigate the potential use of both wavelet and fast Fourier transform to identify distinctive characteristics of capacitor switching operation. These characteristics are further utilized to determine the responsible party when transient phenomena related to capacitor switching occurs in the distribution systems. The effects of both voltage level and capacitor location in characterizing switching capacitor phenomena are examined. Based on these studies a general conclusion regarding switching operation is given.

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基于多分辨率分解技术的中压工业配电系统电能质量评价

电能质量问题是指任何电力系统在给定时间和给定位置的电压和电流特征的各种各样的干扰。在一个放松管制的时代，电能质量的重要性日益增加，这强调了描述电压和电流中发生的不同现象的重要性。本文主要研究了在中压工业配电系统中引起基频电压幅值暂时变化的电容器开关事件。本文的目的是研究小波变换和快速傅立叶变换在识别电容器开关操作的独特特征方面的潜在应用。当配电系统中出现与电容器切换有关的暂态现象时，这些特性可进一步用于确定责任方。考察了电压水平和电容位置对表征开关电容现象的影响。在这些研究的基础上，给出了开关操作的一般性结论。

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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Canadian Conference on Electrical and Computer Engineering 2001. Conference Proceedings (Cat. No.01TH8555)

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