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高电压技术  2019, Vol. 45 Issue (10): 3140-3148    DOI: 10.13336/j.1003-6520.hve.20190924013
  智能配电网柔性互联关键技术专题 本期目录 | 过刊浏览 | 高级检索 |
含柔性多状态开关的配电网多目标随机运行优化方法
张今1, 耿光超1, 江全元1, 王朝亮2, 许烽2
1. 浙江大学电气工程学院,杭州310027;
2. 国网浙江省电力有限公司电力科学研究院,杭州310014
Multi-objective Stochastic Operation Optimization for Distribution Network with Flexible Multi-state Switches
ZHANG Jin1, GENG Guangchao1, JIANG Quanyuan1, WANG Chaoliang2, XU Feng2
1. College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China;
2. State Grid Zhejiang Electric Power Co., Ltd. Research Institute, Hangzhou 310014, China
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摘要 柔性多状态开关(flexible multi-state switch,FMSS)是一种具有潮流互济和电压支撑功能的新型电力电子装置。为了合理地发挥柔性多状态开关的潜力,在运行优化时可以考虑多个目标函数。提出含柔性多状态开关的配电网多目标随机运行优化模型,该模型以柔性多状态开关出力、常规开关的通断状态和动作时间作为优化变量,包含网络重构和柔性多状态开关调控2个子问题,可以采用双层规划模型的基本思想求解;通过场景树模拟分布式电源(distributed generation, DG)的出力情况,划分重构时段并以此为基础优化进行网络重构的时间,采用强度帕累托进化算法计算网络重构和柔性多状态开关出力的帕累托最优解集,并通过隶属度函数选择最终的运行方案;通过改进的IEEE-33节点配电网算例,验证了方法的有效性。结果表明,运行优化方法能够改善配电网的多个运行指标,并且在不同的分布式电源渗透率下均取得良好效果。
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张今
耿光超
江全元
王朝亮
许烽
关键词:  柔性多状态开关  网络重构  多目标  场景树  隶属度函数  配电网  强度帕累托进化    
Abstract: Flexible multi-state switch(FMSS) is a new type of power electronic device which has the function of power flow transmission and voltage support. In order to realize the potential of FMSS reasonably, multi objectives may be taken into account during the operation optimization. Therefore, we propose an operation optimization model of the distribution network with FMSS, in which. the power of FMSS, the action time, and on-off state of the conventional switches are taken as optimization variables of the model. The model contains two sub-problems, network reconfiguration and FMSS regulation, and can be solved by the idea of bi-level programming model. Scenario tree is used to simulate the output of the distributed generation(DG). Based on the divided time interval of network reconfiguration, time of network reconfiguration is optimized. Using the strength Pareto evolutionary algorithm, the Pareto optimal solution set of network reconfiguration and FMSS output is solved. Moreover, the final operation method is selected by membership function. Based on improved IEEE-33 bus distribution network, validity of the operation optimization algorithm is verified. The results show that the operation optimization method can be adopted to improve multi operation indexes and works well under a series of DG penetrations.
Key words:  flexible multi-state switch    network reconfiguration    multi-objective    scenario tree    membership function    distribution network    strength Pareto evolution
收稿日期:  2019-06-21      修回日期:  2019-07-28                发布日期:  2019-10-17      期的出版日期:  2019-10-31
基金资助: 国家重点研发计划(2017YFB0903100); 国家电网公司科技项目(521104170043)
通讯作者:  耿光超,1985—,男,博士(后),助理研究员,硕导,研究方向为电力系统稳定与控制、电力系统高性能计算、电力物联网等   
作者简介:  张 今,1995—,女,硕士生,研究方向为智能配电网的规划与运行控制,E-mail: foggy_lu@163.com
引用本文:    
张今, 耿光超, 江全元, 王朝亮, 许烽. 含柔性多状态开关的配电网多目标随机运行优化方法[J]. 高电压技术, 2019, 45(10): 3140-3148.
ZHANG Jin, GENG Guangchao, JIANG Quanyuan, WANG Chaoliang, XU Feng. Multi-objective Stochastic Operation Optimization for Distribution Network with Flexible Multi-state Switches. HIGH VOLTAGE ENGINEERING, 2019, 45(10): 3140-3148.
链接本文:  
http://hve.epri.sgcc.com.cn/CN/10.13336/j.1003-6520.hve.20190924013  或          http://hve.epri.sgcc.com.cn/CN/Y2019/V45/I10/3140
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