| 自适应重要抽样技术在发输电系统可靠性评估中的应用 |
| |
| 引用本文： | 谢绍宇,王秀丽,王锡凡,孙羽. 自适应重要抽样技术在发输电系统可靠性评估中的应用[J]. 电力系统自动化, 2010, 34(5): 13-17 |
| |
| 作者姓名： | 谢绍宇 王秀丽 王锡凡 孙羽 |
| |
| 作者单位： | 西安交通大学电气工程学院,陕西省西安市,710049;西安交通大学电气工程学院,陕西省西安市,710049;西安交通大学电气工程学院,陕西省西安市,710049;西安交通大学电气工程学院,陕西省西安市,710049 |
| |
| 基金项目： | 国家重点基础研究发展计划(“973计划”) |
| |
| 摘 要： | 将自适应重要抽样技术应用在发输电系统可靠性评估中,并提出根据系统的概率特点构造抽样密度初值的方法,从而改善最优抽样技术在元件故障概率减小时出现的退化现象。应用该方法对IEEE-RTS系统及修改后的测试系统进行发输电系统可靠性评估,结果表明该方法在保持计算精度的情况下能加快可靠性评估的速度,特别是在元件故障概率较小时,能显著提高可靠性评估的计算效率。
|
| 关 键 词： | 自适应重要抽样技术 稀有事件 发输电系统 可靠性 计算效率 |
| 收稿时间： | 2009-08-28 |
| 修稿时间： | 2010-02-08 |
Application of Adaptive Importance Sampling Technique in Reliability Evaluation of Composite Generation and Transmission Systems |
| |
| XIE Shaoyu,WANG Xiuli,WANG Xifan,SUN Yu. Application of Adaptive Importance Sampling Technique in Reliability Evaluation of Composite Generation and Transmission Systems[J]. Automation of Electric Power Systems, 2010, 34(5): 13-17 |
| |
| Authors: | XIE Shaoyu WANG Xiuli WANG Xifan SUN Yu |
| |
| Affiliation: | Xi'an Jiaotong University;Xi'an 710049;China |
| |
| Abstract: | An adaptive importance sampling method is applied to reliability evaluation of the bulk power system.The initial settings of the sampling density functions are proposed to enhance the adaptability of the proposed technique in power systems with components of small failure probabilities.The IEEE-RTS system and the modified system are used to verify the proposed method.Numerical results show that the present method can appreciably improve the computing efficiency in the reliability evaluation of the composite... |
| |
| Keywords: | adaptive importance sampling technique rare event generation and transmission system reliability computing efficiency |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《电力系统自动化》浏览原始摘要信息 |
|
点击此处可从《电力系统自动化》下载全文 |
|
