Distributed Real-Time Power Cooperation Algorithm for Residences Based on Local Information in Smart Grid

Mitsuyasu Endo, Kosuke Asami, Ryo Kutsuzawa, Soushi Yamamoto, Makoto Tanaka, Hidetoshi Takeshita, Eiji Oki, Naoaki Yamanaka

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

With smart grid, the power supply will shift from the 1:N tree structure with centralized power plants to the M:N structure with various kinds of distributed energy resources based on renewable energy, batteries, and so on. Deregulation of the electricity market will yield a truly competitive market, where anyone can become a power seller or buyer, which will necessitate a real-time multiseller-multibuyer power trading system. However, it is difficult to realize such a system without centralized control, because of the additional trade complexity created by a large number of sellers, including ordinary homes. In this paper, the authors propose a novel distributed power cooperation algorithm that maximizes each home's welfare based on local information. The proposed algorithm enables each home to calculate the same electricity market price from only local household information, to trade, and to maximize all members' satisfaction in smart grid by balancing consumption against supply. The authors formulate a distributed optimization problem and logically prove that the authors' algorithm can obtain the same optimal user welfare as the global optimal approach but within a much shorter time.

Original languageEnglish
Article numberF4016011
JournalJournal of Energy Engineering
Volume143
Issue number3
DOIs
Publication statusPublished - 2017 Jun 1

Keywords

  • Convex optimization
  • Cooperative algorithm
  • Distributed
  • Power trading
  • Real-time optimization
  • Smart grid
  • Social welfare

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Renewable Energy, Sustainability and the Environment
  • Nuclear Energy and Engineering
  • Energy Engineering and Power Technology
  • Waste Management and Disposal

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