电气技术  2016, Vol. 17 Issue (3): 1-5    DOI:
研究与开发 |
通信用-48V直流配电系统及其短路分析
许火炬, 缪希仁
福州大学电气工程与自动化学院,福州 350108
Short Circuit Analysis of -48V DC Distribution System for Communication
Xu Huoju, Miao Xiren
School of Electrical Engineering and Automation, Fuzhou University, Fuzhou 350108
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摘要 随着社会的发展,直流配电方式以其自身优势受到了广泛重视.-48V直流配电系统作为通信系统的核心部分,对于通信的正常运行起着重要的作用.然而由于目前直流配电系统的研究仍处于起步阶段,直流保护技术一直是直流配电系统发展的瓶颈.本文以-48V直流配电系统为研究对象,介绍了其系统构架,根据短路能量来源,短路故障点,短路保护措施以及所建立的蓄电池短路故障仿真数学模型,对其短路特性进行了分析.最后总结了目前短路故障保护技术存在的问题,对直流配电系统短路故障保护技术研究进行了展望.
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许火炬
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关键词 通信电源短路故障直流配电短路特性    
Abstract:With the development of society, the way of DC distribution has received broad attention for its own advantage. -48V DC distribution system as the core part of communication system has played an important role in normal communication operation. However, because of the research of DC distribution system is still in early stage, DC protection technology has become the bottleneck of development of DC distribution system. This paper studies -48V DC distribution system, introduces the structure of the system and analyzes the short circuit characteristics from the short circuit resource, short circuit point, short circuit protection and the established short circuit fault mathematical simulation model of battery. Finally, the current problem of short circuit fault protection technology is summarized and the technical research on short circuit protection for DC distribution system was prospected.
Key wordscommunication power supply    short circuit fault    DC distribution    short circuit characteristics   
     出版日期: 2016-03-22
作者简介: 许火炬(1990-),男,福州大学在读硕士研究生,研究方向为智能电器及在线监测技术.
引用本文:   
许火炬, 缪希仁. 通信用-48V直流配电系统及其短路分析[J]. 电气技术, 2016, 17(3): 1-5. Xu Huoju, Miao Xiren. Short Circuit Analysis of -48V DC Distribution System for Communication. Electrical Engineering, 2016, 17(3): 1-5.
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https://dqjs.cesmedia.cn/CN/Y2016/V17/I3/1