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学术报告0605

日期:2012年06月04日     本文发布:www.3499.com

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讲座题目:智能电网中电气扰动的高层诊断分析

Title: Power Disturbance Analytics - Emerging Directions in Power Quality Research

讲座时间:2012年6月5日星期二 4:00PM

讲座地点:基础教学大楼 B座104室

讲座内容概况:

现代智能电网的建设必定会引发新的电能质量问题,对应为各种新形式的电气扰动。传统的电能质量研究往往以各类电气扰动的“危害性”为切入点,对电网中的电气扰动进行分析、诊断和评估。但是,随着智能电网的建设,电网中电能质量监测装置的应用越来越广泛,研究人员慢慢意识到:电网中的电气扰动能够携带很多有用的额外信息,包括电网和其设备的运行状态。因此,越来越多的研究人员开始发现了电气扰动(电能质量扰动)对电网监测带来的“好处”。例如,电压暂降信息可以用来定位短路故障点,电容器投切的扰动信息可用来诊断馈线的补偿电容工作状态是否正常,家用电器对应电流中谐波特性可以用来对各家用电器的工作状态进行监测和识别,另外,还有学者开始尝试利用电气扰动信息对窃电行为和故障预测进行分析研究。因此,对电能质量监测数据进行高层分析和数据挖掘是智能电网发展的重要方向。本讲座将阐述该研究方向的一些最新进展。

Introduction

Power quality is a field that deals with all sorts of power disturbances. Past power quality research and development activities have been focused on the disturbances "harmful" aspects. With the wide spread use of power quality monitoring tools, more and more users and developers start to realize that power disturbances can carry valuable in-formation about the conditions of a system and its equipment. As a result, initiatives that explore the "useful" as-pects of power disturbances have emerged. For example, short-circuit caused voltage sag disturbances have been exploited for fault location purposes, characteristics of capacitor-switching transients are used to determine and lo-cate which feeder capacitors are operating normally, the harmonic signatures of home appliances are found useful for tracking the operating status of home appliances, and there are also proposals to use PQ data to detect electricity theft and anticipate the occurrence of feeder faults. Such information-oriented use of power disturbance data and monitoring techniques could emerge as an important field of the future smart grid. This talk will present some of the developments in this emerging field. If time allows, other power quality research activities in U of A will also be discussed.

演讲者概况:

徐文远(Wilsun Xu), 1989年毕业于加拿大不列颠哥伦比亚大学,获博士学位,1996年9月开始在加拿大阿尔伯塔大学电气与计算机系任教,现为终身教授,主要研究领域为电能质量和分布式发电。2003年2月被聘为教育部“长江学者”特聘教授。因在电力系统谐波分析、仿真和测量上的突出贡献,2005年当选为IEEE Fellow(国际电气电子工程协会院士),同时也是加拿大工程院院士,并担任IEEE多个技术委员会的委员以及期刊IEEE Transactions on Power Delivery和IEEE Power Engineering Letters编辑。

Biography

The presenter, Dr. Wilsun Xu, is currently a chair professor at the University of Alberta, Canada. He obtained B.Eng. from Xian Jiaotong University in 1982, M.Sc. from the University of Saskatchewan, Canada, in 1985, and Ph.D. from the University of British Columbia, Canada, in 1989. From 1989 to 1996, he worked in Canadian power in-dustry as a professional engineer. He joined the University of Alberta as a faculty in 1996.

Dr. Xu is an expert in the field of power quality. He was elected to IEEE Fellow in 2005 for contributions to the analysis, simulation and measurement of power system harmonics. He is also a fellow of the Engineering Institute of Canada. Dr. Xu serves frequently as a panelist, seminar speaker in IEEE and others conferences, and as a con-sultant for industry. He is currently a member of several committees of the IEEE Power Engineering Society and other institutions, including serving as the power quality editor for the IEEE Transactions on Power Delivery and IEEE Power Engineering Letters. In 2008, Dr. Xu was awarded the Senior Industrial Research Chair in Power Qual-ity by the Natural Sciences and Engineering Research Council of Canada.

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