微电网储能系统控制及其经济调度方法

doi:10.11930/j.issn.1004-9649.2013.1.11.4

中国电力 ›› 2013, Vol. 46 ›› Issue (1): 11-15.DOI: 10.11930/j.issn.1004-9649.2013.1.11.4

微电网储能系统控制及其经济调度方法

高文杰¹，井天军¹，杨明皓¹，沈冬²

1. 中国农业大学信息与电气工程学院,北京 100083;
2. 上海市电力公司奉贤供电公司,上海 201400

收稿日期:2012-09-22 出版日期:2013-01-05 发布日期:2015-12-09
作者简介:高文杰（1987—）,男,河北石家庄人,硕士研究生,从事微电网协调与控制研究。E-mail: sirgao@foxmail.com
基金资助:
国家高技术研究发展计划（863计划）资助项目（2012AA050217）; 中央高校基本科研业务费专项资金资助项目（2011JS157）

Operation Control and Economic Dispatch of Energy Storage System for Micro-Grid

GAO Wen-jie¹, JING Tian-jun¹, YANG Ming-hao¹, SHEN Dong²

1. College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China;
2. Fengxian Power Supply Company, Shanghai Municipal Electric Power Company, Shanghai 201400, China

Received:2012-09-22 Online:2013-01-05 Published:2015-12-09

摘要/Abstract

摘要： 储能系统对微电网的安全稳定运行和经济效益有重要影响。分析微电网中分布式储能系统的离网和并网控制方法;针对传统下垂控制中,线路阻抗引起的微电网系统稳定性问题,提出改进的下垂控制策略和控制结构,以减少微电网功率波动和提高运行稳定性。为实现对负荷的削峰填谷和提高储能设备运行经济性,根据分时电价,建立分布式储能系统的经济调度数学模型,在此基础上提出一种考虑分时电价的经济调度方法。结合算例验证该调度方法的经济性和实用性。

关键词: 微电网, 储能系统, 下垂控制, 经济调度, 分时电价

Abstract: Energy Storage Systems(ESSs) have critical impacts on the reliability and economy of micro-grid operation. In this paper, the control strategies of ESSs for a micro-grid in both grid-connected and islanded modes are analyzed. In order to solve the severe stability issues caused by high R/X ratio of line impedance in traditional voltage and frequency droop controls, an improved droop control strategy is designed that can enhance micro-grid transient performance by mitigating power fluctuation. A mathematical model of economic dispatch of ESSs is established under the time-of-use pricing, with which peak load shaving can be achieved. The proposed strategies in control and dispatch are verified through a study case.

Key words: micro-grid, energy storage system, droop control, economic dispatch, time-of-use price

中图分类号:

TM727

高文杰，井天军，杨明皓，沈冬. 微电网储能系统控制及其经济调度方法[J]. 中国电力, 2013, 46(1): 11-15.

GAO Wen-jie, JING Tian-jun, YANG Ming-hao, SHEN Dong. Operation Control and Economic Dispatch of Energy Storage System for Micro-Grid[J]. Electric Power, 2013, 46(1): 11-15.

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微电网储能系统控制及其经济调度方法

Operation Control and Economic Dispatch of Energy Storage System for Micro-Grid

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微电网储能系统控制及其经济调度方法

Operation Control and Economic Dispatch of Energy Storage System for Micro-Grid

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