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Design and Applied Research of the Distributed Real-Time Database in Smart Grid

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Submitted By dyt3333
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Design and Applied Research of the Distributed Real-time Database in Smart Grid
Chunfeng Liu, Yan Jiang, Feng Zhao, Qiao Sun, Yang Zhang, Zhiqi Li, Chao Li
Beijing Guodiantong Network Technology Company Ltd., No.1 Hangfeng Road, Fengtai District, Beijing, 100070, China {liuchunfeng, jiangyan, feng_zhao, sunqiao, zhangyang2, lizhiqi, lichao3}@sgepri.sgcc.com.cn

database. Both timing constraints and data consistency should be taken into consider in real-time database systems when scheduling the transactions so that they can be accomplished by their corresponding deadlines[3]. For instance, both the query and update on the acquisition data of smart electricity meters, mainly working for the calculation of the multistep electricity price and electricity increment, must satisfy not only the database consistency constraints but also the time constrain, processed within the given deadlines. Apart from the time constraints that are out of the demand of continuously data tracking, timing correctness requirements are also proposed due to the need to keep data available for the decision-making activities of the controlling systems[4]. Based on these situations, real-time databases are used in a wide Keywords— Distributed, real-time database, smart grid, typical range of applications in the power industry. applications, electric energy data acquire system At the same time, the electricity data also has astounding I. INTRODUCTION quantities. In China, the scale of the data points in smart grid As the lifeblood of the national economy, electric power has now reached about thirty million and it will keep has a direct influence on the development of the country. With increasing as more and more electric terminal equipment and the characteristic of high volume of transactions, Modern new energy technologies being involved in the smart grid. electronic commerce applications and…...

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