| 短路故障快速检测与限制技术综述 |
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| 引用本文： | 李飙,缪希仁. 短路故障快速检测与限制技术综述[J]. 低压电器, 2014, 0(18): 1-5 |
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| 作者姓名： | 李飙 缪希仁 |
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| 作者单位： | 福州大学电气工程与自动化学院,福建福州,350108 |
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| 基金项目： | 国家自然科学基金资助项目，福建省高校产学合作科技重大项目 |
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| 摘 要： | 常规短路判据主要通过电流幅值判断电力系统中的短路故障,其存在检测速度较慢、短路电流大等缺点。在综述近年短路保护快速检测与识别方法的理论或应用研究基础上,为了限制过大的短路电流,介绍了故障限流的传统方法以及故障电流限制器技术的发展,提出短路故障早期限制技术,且通过中压配电系统建模仿真验证该技术的有效性。短路故障的早期及快速检测技术与故障电流限制器有机结合,具有良好的应用前景。
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| 关 键 词： | 短路故障 快速检测 早期辨识 故障电流限制器 |
A Review of Rapid Detection and Limiting Technology for Short Circuit Fault |
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| LI Biao,MIAO Xiren. A Review of Rapid Detection and Limiting Technology for Short Circuit Fault[J]. Low Voltage Apparatus, 2014, 0(18): 1-5 |
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| Authors: | LI Biao MIAO Xiren |
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| Affiliation: | ( College of Electrical Engineering and Automation, Fuzhou University, Fuzhou 350108, China) |
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| Abstract: | The conventional criterion for short circuit fault in low voltage system is measuring current magnitude. But it has disadvantages such as slow response speed,large short circuit current etc. Based on the theoretical or applied research of rapid detection and the traditional methods for limiting fault current and the development of fault current limiter technology for short circuit in recent years,this paper proposed an early limitation technology for short circuit fault. Besides,the paper verified the effectiveness of the technology by simulating through the medium voltage distribution system model. It is foreseeable that the combination of rapid early detection and limiting technology for fault current will have a great prospect. |
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| Keywords: | short circuit fault rapid detection early identification fault current limiter |
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