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Recent advances on smart grid technology and renewable energy integration

Science China(Technological Sciences) 2013年第12期56卷 3040-3048页

作者： MEI ShengWei CHEN LaiJun State Key Lab of control and Simulation of Power Systems and Generation Equipments (Dept. of Electrical Engineering Tsinghua University)

With the integration of renewable energy generations and other related changes,the smart grid,or the future electric power system,is confronted with new challenges and ***,it is a promising subject in electrical engineering and much work has been done on *** paper reviews the recent advances on the technologies of smart grid and renewable energy integration,from the aspects of modeling,simulation,protection and control,stability,operation,and planning.

关键词： smart grid renewable energy integration modeling simulation protection and control stability operation planning

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Reflections on stability technology for reducing risk of system collapse due to cascading outages

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Journal of Modern Power Systems and Clean Energy 2014年第3期2卷 264-271页

作者： Yongjie FANG NARI Group Corporation Nanjing 211106China

This paper aims at putting forward viewpoints regarding the use of stability technology to prevent and control cascading outages by examining recent blackout *** on the inquiry reports of the 2011 SouthwestAmerica blackout and the 2012 India power blackouts,event evolution features are first summarized from a stability *** a comparative analysis is conducted so as to propose suggestions of effective measures,either preventive or emergency,which could have avoided the *** is shown that applications of several mature technologies can create opportunities of preventing or interrupting the cascading *** include offline dynamic simulation,online stability analysis and preventive control,real-time situational awareness and automatic emergency *** R&D directions are given to address the challenges of modern power systems as *** cover system fault identification criterion of protection and control devices,verification of adaptability of control effect to system operating conditions,real-time operational management of emergency control measures and improvement of simulation accuracy.

关键词： Cascading outages Blackout System collapse Stability technology protection and control

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IMPROVED FOURIER ALGORITHM FOR CORRECTING POWER SYSTEM FREQUENCY DEVIATION

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Transactions of Tianjin University 2001年第3期7卷 192-196页

作者：姜惠兰杨维徐建强刘梅仇晓锋天津大学电气自动化与能源工程学院天津300072 天津高压供电公司天津300250

On the basis of high precision requirement for input signals in the power system protection and control system,this paper,only for the influence of power system frequency deviation on extracting fundamental harmonic,studies the amplitude error of Fourier algorithm,presents a method of correcting frequency deviation,and further derives the formulas of improved Fourier *** simulation results verified the effectiveness of the algorithm,it not only can greatly weaken the influence of frequency deviation,but also increase the precision of the power system protection and *** a result the study in this paper has practical application value.

关键词： power system protection and control frequency deviation Fourier algorithm

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