低压电力用户集中抄表系统的实用性研究  

Practicability of centralized meter reading system for low voltage electricity users

作　　者：刘志宏 张长江 廖向华 陈淘 

机构地区：[1]河南许继仪表有限公司,河南许昌461000

出　　处：《现代电子技术》2013年第7期166-170,共5页Modern Electronics Technique

摘　　要：为了解决低压电力用户集中抄表系统(PLC)的不稳定性,通过对低压电力用户集中抄表系统现状的解析,对扩频通信(SSC)、工频调制和正交频分复用(OFDM)3种通信技术的优、缺点进行了分析,以及对PLC技术的应用实用化进行了研究,从而提出了基于提高低压电力用户集中抄表系统稳定性的实用化具体解决方案。目前,该实用化方案系统产品,已在国内各省电力公司集中抄表系统中挂网运行。To overcome the instability of centralized meter reading system for low voltage power users, a practical and specific solution is proposed to improve the stability of centralized meter reading system for low voltage electricity users by means of resolving the status of centralized meter reading system for low voltage power users, analyzing the advantages and disadvantages of three kinds of communication technologies （SSC, power frequency modulation and OFDM）, and studying the practical application of PLC technology. At present, the systematic products of the practical solution have been running in the power companies of all the provinces in China.

关 键 词：集中抄表系统 扩频 工频调制 OFDM 

分 类 号：TN911.734[电子电信—通信与信息系统]