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工程设计学报
工程设计学报  2017, Vol. 24 Issue (1): 50-56    DOI: 10.3785/j.issn.1006-754X.2017.01.007
保质设计     
考虑储能的配电网预防重构策略
胡君楷1, 汪沨1, 谭阳红1, 孙秋芹1, 王睿1, 何荣涛2
1. 湖南大学 电气与信息工程学院, 湖南 长沙 410082;
2. 许继(厦门)智能电力设备股份有限公司, 福建 厦门 361000
Preventive reconfiguration strategy of distribution network with energy storage
HU Jun-kai1, WANG Feng1, TAN Yang-hong1, SUN Qiu-qin1, WANG Rui1, HE Rong-tao2
1. College of Electrical and Information Engineering, Hunan University, Changsha 410082, China;
2. XuJi(Xiamen) Intelligent Switchgear Manufacturing Co., Ltd., Xiamen 361000, China
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摘要：

预防重构能够确保配电网在一定安全裕度下运行，但网络拓扑频繁变化会降低系统稳定性，增加运行成本.考虑到储能充放电特性和网络最大供电能力，以一天内重构次数最少为一级目标函数，以储能最大出力能力和最大供电能力指标为二级目标函数，建立配电网多级目标预防重构模型.提出储能充放电和重构的动作策略和联合提升最大供电能力的方法，在最大供电能力指标低于安全警戒线时优先利用储能调节，不足时再联合网络重构调节.采用广义简约梯度算法和混合粒子群算法对模型进行求解.最后，以IEEE-33节点配电系统为例的计算分析结果表明，在预防重构中利用储能的备用调节作用，可避免拓扑频繁发生变化，验证了本文模型和策略的可行性.研究成果对于利用预防重构提高配电网运行安全可靠性具有一定参考意义.
关键词： 配电网;  储能;  最大供电能力;  预防重构;  多级目标    
Abstract:

Preventive reconfiguration can guarantee the distribution network operate with a certain of safe margin, while the frequent changes of network topology will decrease the stability of system and increase operating costs. Considering the charge-discharge characteristics of energy storage and the maximum power supply capability(PSC) of network, the minimum reconfiguration times during a day was taken as the first-level objective function and the maximum output capability of energy storage system and the PSC index (PSCI) were considered as the second-level objective function. Then, a multi-level objective model of preventive reconfiguration was established. A strategy involving energy storage output and network reconfiguration was developed and a combining regulation method was proposed. When the PSCI was below the pre-defined warning value, it was prior to regulate with energy storage and the combining regulation was conducted when the former couldn't meet the requirement. The generalized reduced gradient algorithm and hybrid particle swarm algorithm were used to solve the target problem. Finally, comparative calculation and analysis were conducted on IEEE-33 bus sample system. The simulation results showed the backup function of energy storage and the frequent changes of network topology could be avoided, and the model and the strategy were finally validated. The researching achievement has a certain significance for using preventive reconfiguration to improve the network operating safety and reliability.
Key words: distribution network    energy storage    maximum power supply capability    preventive reconfiguration    multi-level objective
收稿日期: 2016-07-21 出版日期: 2017-02-28
CLC:  TM727  
基金资助:

国家自然科学基金资助项目（61102039）.
通讯作者: 汪沨(1972-),男,辽宁抚顺人,教授,博士生导师,从事高电压绝缘及气体放电等研究,E-mail:wangfeng55@263.net.     E-mail: wangfeng55@263.net
作者简介: 胡君楷(1991-),男,湖南长沙人,硕士生,从事配电网运行与控制研究,E-mail:273486491@qq.com.http://orcid.org//0000-0002-7793-7243
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引用本文:

胡君楷, 汪沨, 谭阳红, 孙秋芹, 王睿, 何荣涛. 考虑储能的配电网预防重构策略[J]. 工程设计学报, 2017, 24(1): 50-56.

HU Jun-kai, WANG Feng, TAN Yang-hong, SUN Qiu-qin, WANG Rui, HE Rong-tao. Preventive reconfiguration strategy of distribution network with energy storage[J]. Chinese Journal of Engineering Design, 2017, 24(1): 50-56.

链接本文:

https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2017.01.007    或    https://www.zjujournals.com/gcsjxb/CN/Y2017/V24/I1/50

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