在线电压静态稳定分析的快速连续潮流法  

Fast Continuation Power Flow for On-line Voltage Static Stability Analysis

作　　者：赵美莲[1] 赖业宁[2] 

机构地区：[1]南京工程学院电力工程学院,江苏南京211167 [2]国电南瑞科技股份有限公司,江苏南京210061

出　　处：《南京工程学院学报（自然科学版）》2009年第2期9-13,共5页Journal of Nanjing Institute of Technology(Natural Science Edition)

摘　　要：基于连续方法的基本原理及其在电压静态稳定性中的分析需求,推导负荷型、故障型、支路型连续潮流的应用模型,探讨参数选择、步长确定、负荷变化方式、临界点识别等关键技术的实现方法.通过研究负荷、发电机、线路等参数改变下电压的变化轨迹,准确地刻画了系统的稳定裕度及其临界点.IEEE-300节点标准测试系统的仿真结果表明,所采用的分析方法可以有效地协助调度员实时评估电压状况,为EMS的在线电压稳定分析与监控提供了技术支持.Based on the basic principle of continuation power flow and the analysis demands of voltage static stability, some applied models of continuation power flow, for instance, loading models, fault models and branch type models were developed. Besides, this paper discusses realization methods of some key technologies, for example, parameter selection, step control, load change mode and identification of critical point. The changes of voltage were investigated when load, generators and circuits changed so as to describe exactly the stability margin and its critical point. The simulation results of IEEE -300 bus system show that the method adopted in this system can help dispatchers to evaluate the real-time voltage state, which provides technique support for on-line voltage stability analysis and monitoring.

关 键 词：电压静态稳定 在线分析 稳定裕度 连续潮流 

分 类 号：TM711[电气工程—电力系统及自动化] TM744