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

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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.

smart gridfuture gridEnergy Internetenergy-management systemintegrating renewablespower system operationpower system controldistribution automation systemsdemand-side management

Felix F.Wu、Pravin P.Varaiya、Ron S.Y.Hui

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Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, CA 94720, USA

Department of Electrical and Electronic Engineering,The University of Hong Kong, Hong Kong, China

National Key Basic Research Program of China (973 Program)Wu, US National Science Foundation AwardHong Kong RGC Theme-based Research Project

2012CB2151021135872T23-701/14-N

2015

10.15302/J-ENG-2015111

工程科学(英文版)
中国工程院出版委员会

工程科学(英文版)

影响因子：0.226
ISSN：1672-4178
年,卷(期)：2015.1(4)
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