引用本文:刘畅,吴军,郝露茜,等.基于直流潮流的UPFC优化配置研究[J].电力系统保护与控制,2020,48(5):42-48.
LIU Chang,WU Jun,HAO Luxi,et al.Optimization configuration research of UPFC based on DC power flow[J].Power System Protection and Control,2020,48(5):42-48
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基于直流潮流的UPFC优化配置研究
刘畅1,吴 军1,郝露茜1,王智冬2 ,张 艳2 ,李保林1,徐剑冰1
(1.武汉大学电气工程学院，湖北 武汉 430072;2.国网经济技术研究院有限公司，北京 102209)
摘要:
在电力系统中采用UPFC装置可以调节线路潮流分布以及改善经济成本，因此在输电线路规划中，UPFC优化配置问题有比较高的研究价值。在UPFC直流潮流模型基础上，忽略功率损耗和无功功率，以发电机的经济成本作为目标函数建立UPFC优化配置数学模型，并采用Big-M法对其非线性潮流方程进行处理。将混合整数非线性规划问题转化为适应更多求解器的混合整数线性规划问题，对统一潮流控制器在线路中的安装位置和容量进行寻优。在Matlab中利用算例进行仿真计算，验证了该模型和策略的正确性和有效性。
关键词:  直流潮流  统一潮流控制器  发电成本  混合整数线性规划  仿真模型
DOI：10.19783/j.cnki.pspc.190498
分类号:
基金项目:国家电网总部科技项目资助(B3440818K005)
Optimization configuration research of UPFC based on DC power flow
LIU Chang1,WU Jun1,HAO Luxi1,WANG Zhidong2,ZHANG Yan2,LI Baolin1,XU Jianbing1
(1. School of Electrical Engineering, Wuhan University, Wuhan 430072, China;2. State Grid Economic and Technological Research Institute Co., Ltd., Beijing 102209, China)
Abstract:
The UPFC device in the power system can adjust the line current distribution and improve the economic cost. Therefore, the UPFC optimization configuration problem has a relatively high research value in the transmission line planning. Based on the UPFC DC power flow model, this paper ignores the power loss and reactive power, establishes the UPFC optimization configuration mathematical model with the economic cost of the generator as the objective function, and uses the Big-M method to process its nonlinear power flow equation. The method transforms integer nonlinear programming problem into a mixed integer linear programming problem that adapts to more solvers, and the installation position and capacity of the unified power flow controller in the line are optimized. The simulation calculations are carried out in Matlab using examples to verify the correctness and effectiveness of the model and strategy. This work is supported by Science and Technology Project of the Headquarter of State Grid Corporation of China (No. B3440818K005).
Key words:  DC power flow  UPFC  power generation cost  MILP  simulation model
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