现代电子技术
現代電子技術
현대전자기술
MODERN ELECTRONICS TECHNIQUE
2013年
7期
166-170
,共5页
刘志宏%张长江%廖向华%陈淘
劉誌宏%張長江%廖嚮華%陳淘
류지굉%장장강%료향화%진도
集中抄表系统%扩频%工频调制%OFDM
集中抄錶繫統%擴頻%工頻調製%OFDM
집중초표계통%확빈%공빈조제%OFDM
centralized meter reading system%spread spectrum%power frequency modulation%OFDM
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.
為瞭解決低壓電力用戶集中抄錶繫統(PLC)的不穩定性,通過對低壓電力用戶集中抄錶繫統現狀的解析,對擴頻通信(SSC)、工頻調製和正交頻分複用(OFDM)3種通信技術的優、缺點進行瞭分析,以及對PLC技術的應用實用化進行瞭研究,從而提齣瞭基于提高低壓電力用戶集中抄錶繫統穩定性的實用化具體解決方案.目前,該實用化方案繫統產品,已在國內各省電力公司集中抄錶繫統中掛網運行.
위료해결저압전력용호집중초표계통(PLC)적불은정성,통과대저압전력용호집중초표계통현상적해석,대확빈통신(SSC)、공빈조제화정교빈분복용(OFDM)3충통신기술적우、결점진행료분석,이급대PLC기술적응용실용화진행료연구,종이제출료기우제고저압전력용호집중초표계통은정성적실용화구체해결방안.목전,해실용화방안계통산품,이재국내각성전력공사집중초표계통중괘망운행.
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 re?solving 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 applica?tion 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.