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作 者:薄利明 陈尚 程雪婷 王金浩 张文朝 张一帆 Bo Liming;Chen Shang;Cheng Xueting;Wang Jinhao;Zhang Wenchao;Zhang Yifan(Electric Power Research Institute of State Grid Shanxi Electric Power Company,Taiyuan 030001,China;Shanxi Key Laboratory of Power System Operation&Control,Taiyuan University of Technology,Taiyuan 030024,China;Beijing Kedong Electric Power Control System Co.,Ltd.,Beijing 100192,China)
机构地区:[1]国网山西省电力公司电力科学研究院,太原030001 [2]太原理工大学电力系统运行与控制山西省重点实验室,太原030024 [3]北京科东电力控制系统有限责任公司,北京100192
出 处:《电测与仪表》2020年第16期28-32,58,共6页Electrical Measurement & Instrumentation
摘 要:电力系统电磁环网的解合环具有两面性,对于送端系统,解环能够降低短路电流,但同时系统的稳定裕度可能降低。因此,对送端电磁环网解环的评估是值得研究的问题,需研究建立送端电磁环网解合环评估指标体系,研究判断电磁环网解环方法。判断是否解环需要指标进行分析。文中针对送端电磁环网的特点,建立送端电磁环网解合环评估指标体系,利用合作博弈对指标进行博弈,得出指标的权重,提出一种基于合作博弈的方法对指标赋权,得出电磁环网解合环优劣的综合判据,通过对承德外送通道电磁环网的实例分析,验证了该方法的有效性。The decoupling ring of the electromagnetic loop of the power system has two sides.For the sending end system,the loop-opening operation can reduce the short-circuit current to a certain extent,while,the stability margin of the system may be reduced at the same time.Therefore,it is worthwhile to study the electromagnetic ring network at the sending end.It is necessary to carry out research to establish an evaluation index system for the decoupling loop of the electromagnetic ring network at the sending end,and to study the timing and method of unwinding the electromagnetic ring network.In order to judge whether to solve the ring,indicators need to be analyzed.In this paper,aiming at the characteristics of the electromagnetic loop network of the sending end,the index system of the decoupling loop of the electromagnetic loop of the sending end is established,and the cooperative game in the game theory is used to game the index,and the weight of the index is obtained.A method based on cooperative game is proposed to weight the index,and the comprehensive criterion of the decoupling loop of the electromagnetic ring network is obtained.The effectiveness of the proposed method is verified by an example of the electromagnetic ring network of the Chengde delivery channel.
关 键 词:送端电网 电磁环网 评价指标 权重方法 合作博弈
分 类 号:TM744[电气工程—电力系统及自动化]
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