多时间尺度协调控制的独立微网能量管理策略

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摘要作为智能电网中管理分布式电源的有效技术手段之一,微网得到了越来越多的重视。在全面考虑柴油发电机组与需求侧管理负荷运行特性的基础上,建立了适用于独立型微网能量优化模型。此外,模型采用雨流计数法精确考虑网内储能设备的运行成本。优化模型以微网运行成本最低为目标,从日前与日内两个时间尺度对微网能量进行协调控制,优化各发电单元和需求侧管理负荷的启停机状态及其有功出力值。最后以某实际微网为例,验证了本文所提模型及算法的有效性。

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	郭思琪
	袁越
	张新松
	鲍薇
	刘纯
	曹阳
	王海潜

关键词 ：微电网, 经济调度, 日前调度, 日内调度, 储能寿命损耗, 雨流计数法, 需求侧管理

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

收稿日期: 2013-12-08 出版日期: 2014-06-18

PACS:

TM73

基金资助:教育部、国家外国专家局海外名师项目资助（MS2012HHDX021）

作者简介: 郭思琪女,1989年生,硕士研究生,研究方向为微电网能量管理策略。袁越男,1966年生,教授,博士生导师,研究方向为电力系统运行分析与控制、智能电网与新能源发电技术等。

引用本文:

郭思琪, 袁越, 张新松, 鲍薇, 刘纯, 曹阳, 王海潜. 多时间尺度协调控制的独立微网能量管理策略[J]. 电工技术学报, 2014, 29(2): 122-129. Guo Siqi, Yuan Yue, Zhang Xinsong, Bao Wei, Liu Chun, Cao Yang, Wang Haiqian. Energy Management Strategy of Isolated Microgrid Based on Multi-time Scale Coordinated Control. Transactions of China Electrotechnical Society, 2014, 29(2): 122-129.

链接本文:

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

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