多时间尺度协调控制的独立微网能量管理策略

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Abstract As an effective technology to manage distributed generation in smart grid, microgrid attracts more and more attention. An energy optimization model of isolated microgrid is built in this paper, in which, both operating characteristics of diesel generators and demand side energy management loads, and operation costs of energy storage calculated accurately by the rain-flow counting method are all considered. The optimization objective of the model is to minimize operating costs of microgrid by controlling power flows in microgrid from day-ahead and intra-day time-scales, i.e., both on/off schedules and output powers of generators and demand side energy management loads are optimized coordinately from these two time-scales. Simulations on certain real microgrid show effectiveness of the methodology proposed in this paper.

Key words： Microgrid economic dispatch day-ahead scheduling intra-day scheduling energy storage life wastage rain-flow counting method demand side management

Received: 08 December 2013 Published: 18 June 2014

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TM73

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	Articles by authors
	Guo Siqi
	Yuan Yue
	Zhang Xinsong
	Bao Wei
	Liu Chun
	Cao Yang
	Wang Haiqian

Cite this article:

Guo Siqi,Yuan Yue,Zhang Xinsong等. Energy Management Strategy of Isolated Microgrid Based on Multi-time Scale Coordinated Control[J]. Transactions of China Electrotechnical Society, 2014, 29(2): 122-129.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2014/V29/I2/122

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