基于单机无穷大母线等值和轨迹灵敏度的暂态稳定约束最优潮流.pdfVIP

第 31 卷 第 13 期 中 国 电 机 工 程 学 报 Vol.31 No.13 May 5, 2011 86 2011 年 5 月 5 日 Proceedings of the CSEE ©2011 Chin.Soc.for Elec.Eng. 0258-8013 (2011) 13-0086-08 TM 74 A 470 40 文章编号： 中图分类号： 文献标志码： 学科分类号： ⋅ 基于单机无穷大母线等值和轨迹灵敏度的 暂态稳定约束最优潮流 黄玉龙，刘明波 (华南理工大学电力学院，广东省 广州市 510640) Transient Stability Constrained Optimal Power Flow Based on OMIB Equivalent and Trajectory Sensitivity HUANG Yulong, LIU Mingbo (School of Electric Power Engineering, South China University of Technology, Guangzhou 510640, Guangdong Province, China) ABSTRACT: On the basis of analyzing the existing problems 分为稳定故障、极度稳定故障、一般不稳定故障和极度不稳 in trajectory sensitivity method for transient stability 定故障，分别在暂态稳定约束中分别加以处理，可快速地进 constrained optimal power flow (TSCOPF) under 行故障筛选。同时，对于不稳定故障不需要寻找临界稳定轨 multi-contingency condition, a computational method for 迹，可节省大量的仿真时间。在 3 机、10 机和 20 机系统上 TSCOPF was proposed based on one-machine infinite bus 的仿真结果验证了所提出算法的有效性。 equivalent and trajectory sensitivity. According to one-machine 关键词：电力系统；暂态稳定；最优潮流；多故障；单机无 infinite bus equivalent, the strict transient stability criterion 穷大母线等值；轨迹灵敏度 could be introduced in TSCOPF model, while trajectory sensitivity method was used to enhance computational 0 引言 efficiency. Furthermore, all contingencies were classified into 近年来，暂态稳定约束最优潮流研究(transient stable, extreme stable, generally unstable, and very unstable