Journal of Shanghai Jiao Tong University (Science) ›› 2018, Vol. 23 ›› Issue (5): 593-599.doi: 10.1007/s12204-018-1988-8

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Economic Dispatch of Islanded Microgrid Considering a Cooperative Strategy Between Diesel Generator and Battery Energy Storage System

Economic Dispatch of Islanded Microgrid Considering a Cooperative Strategy Between Diesel Generator and Battery Energy Storage System

MA Yiwei (马艺玮), ZHOU Yanmei (周焰梅), ZHANG Jin'ai (张锦爱), PIAO Changhao (朴昌浩)   

  1. (1. School of Automation, Chongqing University of Posts and Telecommunications, Chongqing 400065, China; 2. State Grid Hefei Power Supply Company, Hefei 230061, China)
  2. (1. School of Automation, Chongqing University of Posts and Telecommunications, Chongqing 400065, China; 2. State Grid Hefei Power Supply Company, Hefei 230061, China)
  • Online:2018-10-01 Published:2018-10-07
  • Contact: MA Yiwei (马艺玮) E-mail:mayw@cqupt.edu.cn

Abstract: For the impact of intermittent resources’ high penetration on the economic dispatch of islanded microgrid, a new economic dispatch method is presented to minimize the overall generating cost for islanded microgrid, considering a cooperative strategy between diesel generator (hereinafter referred to as DE) and battery energy storage system (BESS). The optimum economic operation range of DE and the optimal set-point between DE and BESS are presented in the cooperative dispatch strategy, in which BESS is used fully to enable DE in a lower cost and higher efficient way. The results are analyzed under various operation conditions and also prove the validity of the proposed method.

Key words: economic dispatch| cooperative strategy| microgrid| diesel generator| battery energy storage system (BESS)

摘要: For the impact of intermittent resources’ high penetration on the economic dispatch of islanded microgrid, a new economic dispatch method is presented to minimize the overall generating cost for islanded microgrid, considering a cooperative strategy between diesel generator (hereinafter referred to as DE) and battery energy storage system (BESS). The optimum economic operation range of DE and the optimal set-point between DE and BESS are presented in the cooperative dispatch strategy, in which BESS is used fully to enable DE in a lower cost and higher efficient way. The results are analyzed under various operation conditions and also prove the validity of the proposed method.

关键词: economic dispatch| cooperative strategy| microgrid| diesel generator| battery energy storage system (BESS)

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