| 带并联电抗器同杆双回线自适应重合闸方案 |
| |
| 引用本文： | 林达,王庆庆,王慧芳,张雪松,杨涛,何奔腾.带并联电抗器同杆双回线自适应重合闸方案[J].电力系统自动化,2015,39(6):101-106. |
| |
| 作者姓名： | 林达 王庆庆 王慧芳 张雪松 杨涛 何奔腾 |
| |
| 作者单位： | 1. 浙江大学电气工程学院,浙江省杭州市,310027
2. 国网浙江省电力公司电力科学研究院,浙江省杭州市,310014 |
| |
| 基金项目： | 国家自然科学基金资助项目(51107112)。 |
| |
| 摘 要： | 提出了一种针对带并联电抗器的同杆双回线的自适应重合闸方案。针对接地故障类型,利用故障相恢复电压的积分值进行故障性质的判断;针对跨线不接地故障类型,利用不同回线故障相恢复电压差的积分值进行故障性质的判断;针对同杆双回线的所有故障类型,根据按相顺序重合闸原则进行重合闸操作。大量的动模实验结果表明,该方案能够准确识别各类接地与跨线不接地永久性故障,缩短了瞬时性故障时的重合闸时间,提高了系统的安全稳定水平,并且在不同电力系统运行状况和不同故障类型下重合闸装置均能正确动作,满足相关的技术要求。
|
| 关 键 词： | 积分判据 永久性故障 瞬时性故障 自适应重合闸 线路保护 |
| 收稿时间： | 2014/4/21 0:00:00 |
| 修稿时间： | 2014/10/2 0:00:00 |
Adaptive Reclosure Scheme for Parallel Lines with Shunt Reactors |
| |
| LIN D,WANG Qingqing,WANG Huifang,ZHANG Xuesong,YANG Tao and HE Benteng.Adaptive Reclosure Scheme for Parallel Lines with Shunt Reactors[J].Automation of Electric Power Systems,2015,39(6):101-106. |
| |
| Authors: | LIN D WANG Qingqing WANG Huifang ZHANG Xuesong YANG Tao and HE Benteng |
| |
| Affiliation: | College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China,College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China,College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China,Electric Power Research Institute, State Grid Zhejiang Electric Power Company, Hangzhou 310014, China,Electric Power Research Institute, State Grid Zhejiang Electric Power Company, Hangzhou 310014, China and College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China |
| |
| Abstract: | A new scheme of adaptive reclosure for parallel lines with shunt reactors is presented. For different types of ground fault, the integration of fault-phase's recovery voltage is used for identifying permanent grounded fault. For the type of cross-line ungrounded fault, the integration of the difference of fault-phase's recovery voltage is used for identifying the permanent cross-line ungrounded fault. The phase reclosure sequence principle is used for all the fault types. Numerous dynamic simulations have proved the scheme's capability of accurately identifying all grounded permanent faults and cross-line ungrounded permanent faults thus reducing the reclosure time for temporary faults and improving the system security and stability level. Besides, the protective devices act correctly in different system operation states and different fault types, meeting the relevant technical requirements.This work is supported by National Natural Science Foundation of China (No. 51107112). |
| |
| Keywords: | integral criterion permanent fault temporary fault adaptive reclosure line protection |
| 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 |
|
