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control and Stability of Large-scale power system with Highly Distributed Renewable Energy Generation:Viewpoints from Six Aspects

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CSEE Journal of power and Energy systems 2023年第1期9卷 8-14页

作者： Qing-Hua Wu Anjan Bose Chanan Singh Joe H.Chow Gang Mu Yuanzhang Sun Zhaoxi Liu Zhigang Li Yang Liu School of Electric power Engineering South China University of TechnologyGuangzhou 510640China School of Electrical Engineering&Computer Science Washington State UniversityPullmanWA 99164USA Department of Electrical and Computer Engineering Texas A&M UniversityCollege StationTX 77843USA Department of Electrical Computer and Systems EngineeringRensselaer Polytechnic Institute(RPI)TroyNYUSA Key Laboratory of Modern power system Simulation and control&Renewable Energy Technology Ministry of Education(Northeast Electric Power University)Jilin 132012China School of Electrical Engineering and Automation Wuhan UniversityWuhan 430072China

power systems are moving toward a low-carbon or carbon-neutral future where high penetration of renewables is *** conventional fossil-fueled synchronous generators in the transmission network being replaced by renewable energy generation which is highly distributed across the entire grid,new challenges are emerging to the control and stability of large-scale power *** analysis and control methods are needed for power systems to cope with the ongoing *** the CSEE JPES forum,six leading experts were invited to deliver keynote speeches,and the participating researchers and professionals had extensive exchanges and discussions on the control and stability of power ***,potential changes and challenges of power systems with high penetration of renewable energy generation were introduced and explained,and advanced control methods were proposed and analyzed for the transient stability enhancement of power grids.

关键词： Distributed energy resources high converter penetration power system control renewable energy generation stability control transient stability

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Practical Implementation and Operational Experience of Dynamic Mode Decomposition in Wide-area Monitoring systems of Italian power system

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Journal of Modern power systems and Clean Energy 2023年第3期11卷 793-802页

作者： Andrea Vicario Alberto Berizzi Giorgio Maria Giannuzzi Cosimo Pisani Department of Energy at Politecnico di Milano MilanItaly Terna S.p.A. RomeItaly

This study presents the assumptions and strategies for the practical implementation of the dynamic mode decomposition approach in the wide-area monitoring system of the Italian transmission system operator,*** procedure setup aims to detect poorly damped interarea oscillations of power *** mode decomposition is a data-driven technique that has gained increasing attention in different fields;the proposed implementation can both characterize the oscillatory modes and identify the most influenced *** study presents the results of its practical implementation and operational experience in power system *** focuses on the main characteristics and solutions identified to reliably monitor the interarea electromechanical modes of the interconnected European power ***,conditions to issue an appropriate alarm in case of critical operating conditions are *** effectiveness of the proposed approach is validated by its application in three case studies:a critical oscillatory event and a short-circuit event that occurred in the Italian power system in the previous years,and a 15-min time interval of normal grid operation recorded in March 2021.

关键词： power system control power system dynamics wide-area monitoring system(WAMS) dynamic mode decomposition

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Adaptive Excitation control with L_2 Disturbance Attenuation for Multi-Machine power systems

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Tsinghua Science and Technology 2004年第2期9卷 197-201页

作者：梅生伟金敏杰申铁龙 Department of Electrical Engineering Tsinghua University Beijing 100084 China Department of Mechanical Engineering Sophia University Kioicho 7-1 Chiyoda-ku Tokyo 102-8554 Japan

Generator excitation control plays an important role in improving the dynamic performance and stability of power systems. This paper is concerned with nonlinear decentralized adaptive excitation control for multi-machine power systems. Based on a recursive design method, an adaptive excitation control law with L2 disturbance attenuation is constructed. Furthermore, it is verified that the proposed control scheme possesses the property of decentralization and the robustness in the sense of L2-gain. As a consequence, transient stability of a multi-machine power system is guaranteed, regardless of system parameters variation and faults.

关键词： power system control nonlinear control L2 disturbance attenuation adaptive control

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Introduction of Damping,Synchronizing and Inertial Effects Using controlled power Injection Devices

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CSEE Journal of power and Energy systems 2017年第4期3卷 408-418页

作者： Kaustav Dey P.Agnihotri A.M.Gole A.M.Kulkarni Department of Electrical Engineering Indian Institute of TechnologyBombayIndia Department of Electrical and Computer Engineering University of ManitobaCanada

This paper presents a theoretical study of damping,synchronizing and inertial control laws,implemented using controllable power injection devices like HVDC,FACTS or renewable-energy/storage systems which have power-electronic grid *** approach is to use a simplified dynamical model of a power system to arrive at generalized results regarding the effect of the strategies on the electro-mechanical dynamics of the *** results are not dependent on the size,network topology and operating condition of the power *** paper presents a differential-algebraic formulation and generalized eigenvalue analysis to facilitate a unified study of the effects of the control laws on the electro-mechanical *** damping,synchronizing and inertial control laws can themselves be extended to include the possibility of mutualdamping,synchronizing and inertial effects when multiple devices are *** control laws are not only simple and intuitive,but also are found to have a predictable and generally beneficial impact on the electro-mechanical dynamics of the grid,even when detailed models are considered.

关键词： Dynamic stability high voltage direct current(HVDC) inertia emulation power system control

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Smart Grids with Intelligent Periphery:An Architecture for the Energy Internet

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Engineering 2015年第4期1卷 436-446页

作者： Felix F.Wu Pravin P.Varaiya Ron S.Y.Hui Department of Electrical Engineering and Computer Sciences University of California Department of Electrical and Electronic Engineering The University of Hong Kong

A future smart grid must fulfill the vision of the Energy Internet in which millions of people produce their own energy from renewables in their homes, offices, and factories and share it with each other. Electric vehicles and local energy storage will be widely deployed. Internet technology will be utilized to transform the power grid into an energysharing inter-grid. To prepare for the future, a smart grid with intelligent periphery, or smart GRIP, is proposed. The building blocks of GRIP architecture are called clusters and include an energy-management system （EMS）-controlled transmission grid in the core and distribution grids, micro-grids, and smart buildings and homes on the periphery; all of which are hierarchically structured. The layered architecture of GRIP allows a seamless transition from the present to the future and plug-and-play interoperability. The basic functions of a cluster consist of （1） dispatch, （2） smoothing, and （3） mitigation. A risk-limiting dispatch methodology is presented; a new device, called the electric spring, is developed for smoothing out fluctuations in periphery clusters; and means to mitigate failures are discussed.

关键词： smart grid future grid Energy Internet energy- management system integrating renewables power system operation power system control distribution automation systems demand-side management

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Modeling and control of a Benchmark Micro Grid with Vehicle-to-Grid Smart Connection

Modeling and Control of a Benchmark Micro Grid with Vehicle-...

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第三十届中国控制会议

作者： SUGA Tomohiko

＜正＞Recently,smart grid is attracted much attention from both the electric power engineering and control engineering. However,the research activities reported in both of the academic fields focused on the power demand management problem without proper problem formulation from the view control *** paper provides a challenging of control problem formulation in smart grid.A benchmark system will be given which involves electric vehicles-to-grid connection,and using the benchmark system,a simulation strategy to describe the V2G influence is ***,a frequency stabilizing control design problem is investigated with stochastic control theory.

关键词： Smart Grid Electric Vehicles power system control

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