基于安全域的配电网重构模型

发布时间：2018-06-04 01:29

本文选题：配电网 + 安全域　；参考：《中国电机工程学报》2017年05期

【摘要】：提出了一种基于配电系统安全域(DSSR)的网络重构新方法。首先,介绍了DSSR的安全裕度指标——安全距离,其含义为配电网满足N?1安全准则的馈线负荷最大可增功率。其次,建立了在优先满足安全约束的条件下以网损最小为目标的网络重构模型,并利用改进的遗传算法进行求解。最后,采用扩展的IEEE RBTS Bus 4算例验证模型的有效性。与经典网损最小模型对比表明,文中重构结果的网损与其接近,但安全裕度明显增加。与负载均衡模型对比,文中的安全裕度和网损均更优,这是由于模型能有效计及电网结构和负载分布不均的自然特性。此外,文中模型还能针对不同馈线设置个性化的安全约束,区别用户对安全性的不同需求。
[Abstract]:A new method of network reconfiguration based on distribution system security domain (DSSRs) is proposed. First of all, the safety margin index of DSSR is introduced, which means that the maximum increase power of feeder load can be obtained when the distribution network meets the NX1 safety criterion. Secondly, a network reconstruction model with the goal of minimum network loss is established under the condition that security constraints are satisfied first, and the improved genetic algorithm is used to solve the model. Finally, an extended IEEE RBTS Bus 4 example is used to verify the validity of the model. The comparison with the classical minimum loss model shows that the network loss of the reconstructed model is close to that of the model, but the safety margin is obviously increased. Compared with the load balancing model, the safety margin and network loss in this paper are better, which is because the model can effectively take into account the natural characteristics of the network structure and the uneven distribution of load. In addition, the model can also set up personalized security constraints for different feeders and distinguish the different security requirements of users.
【作者单位】：智能电网教育部重点实验室(天津大学);上海交通大学电气学院;
【基金】：国家自然科学基金项目(51477112) 国家高技术研究发展计划(863计划)(2015AA050102) 教育部新世纪优秀人才计划(NCET-10-0624)~~
【分类号】：TM711

【参考文献】