潮流预报在电网安全预警系统中的应用  

Power Flow Forecasting Method and Its Application in Early Warning and Security Countermeasure System

作　　者：郭烨[1] 吴文传[1] 张伯明[1] 孙素琴[2] 

机构地区：[1]清华大学电机系电力系统国家重点实验室,北京市100084 [2]河南电力调度通信中心,河南省郑州市450052

出　　处：《电力系统自动化》2010年第5期107-111,共5页Automation of Electric Power Systems

基　　金：国家重点基础研究发展计划(973计划)资助项目(2004CB217904);电力系统及发电设备控制和仿真国家重点实验室自主研究课题资助项目(SKLD09M06)~~

摘　　要：潮流预报技术是实现电网预警预控的基础,结合某省级电网安全预警系统的实际研发经验,介绍了超短期和短期潮流预报在电网安全预警系统中的实现算法、技术特点和应用场合。结合实际应用情况,分析了超短期潮流预报和短期潮流预报算法的可靠性和精度,以及影响它们性能的关键因素。Power flow forecasting is a fundamental function in early warning and security countermeasure system（EWSC）for power grid.The ultra-short term and daily power flow forecasting methods are both presented.The factors affecting robustness and accuracy of the results of these two methods are analyzed.Power flow forecasting software is introduced which has been imbedded in a EWSC system.The recorded results from a provincial power grid are given and the practicality of the proposed method is validated.

关 键 词：潮流预报 电网 安全预警 负荷预测 

分 类 号：TM76[电气工程—电力系统及自动化]