含平衡机约束条件的区间直流潮流模型与方法  

Model and Method for Interval DC Power Flow Considering Constraints of Balancing Machine

作　　者：鲁广明 严剑峰 丁涛[2,3] 谢昶[1] 李方兴 吕颖[1] 毛学魁 LU Guangming;YAN Jianfeng;DING Tao;XIE Chang;LI Fangxing;LYU Ying;MAO Xuekui(China Electric Power Research Institute,Beijing 100192,China;School of Electrical Engineering,Xi＇an Jiaotong University,Xi＇an 710049,China;University of Tennessee,Knoxville,TN 37996-2100,USA;5.State Grid Beijing Haidian Electric Power Supply Company,Beijing 10019)

机构地区：[1]中国电力科学研究院有限公司,北京市100192 [2]西安交通大学电气工程学院,陕西省西安市710049 [3]电力系统及发电设备控制和仿真国家重点实验室清华大学,北京市100084 [4]田纳西大学电气工程与计算机科学系 [5]国网北京海淀供电公司,北京市100195

出　　处：《电力系统自动化》2018年第20期80-85,共6页Automation of Electric Power Systems

基　　金：国家电网公司科技项目(XT71-16-019)~~

摘　　要：传统区间潮流研究未考虑一些实际的物理限制,如平衡机出力约束、发电准稳态调整等,使得区间结果过于保守。为解决此问题,文中分别建立了含平衡机约束和准稳态调整约束的区间直流潮流模型,并采用优化的方法进行求解。所提出的模型能够扩展到含其他约束的区间直流潮流模型,具有一定通用性。采用9节点和IEEE 118节点系统对所建立的模型进行详细仿真分析,结果证明了方法的有效性,克服了传统无约束区间直流潮流的保守性。The traditional interval power flow studies have ignored some actual physical constraints,such as output limit constraints of balancing machine,steady-state adjustments of generation,which therefore bring about conservative results.Interval DC power flow models with the consideration of the balancing machine constraints and steady-state adjustments are set up respectively.Furthermore,these problems are solved by optimization method.Moreover,the proposed method could be extended to other interval DC power flow problems including different constraints.Finally,the simulations of 9-bus and IEEE118-bus system verify the effectiveness of the proposed method and the conservativeness of the traditional interval DC power flow model is reduced.

关 键 词：区间潮流 直流潮流 不确定性 准稳态潮流 约束潮流 

分 类 号：TM744[电气工程—电力系统及自动化]