CAJ | 학술논문

提出智能电网环境下的通信方式,并说明低压电力线通信的优点。研究分析了低压电力线通信的时变性、深衰减、多径性、电磁干扰等特点。在分析电力载波通信(power line communication,PLC)原理及特点的基础上,提出利用正交频分复用(orthogonal frequency division multiplexing,OFDM)技术来提高系统的传输性能。对智能电网环境下低压电力线通信技术的应用进行展望,并列举低压电力线通信在超远程抄表、网络连接等方面的应用。
제출지능전망배경하적통신방식,병설명저압전력선통신적우점。연구분석료저압전력선통신적시변성、심쇠감、다경성、전자간우등특점。재분석전력재파통신(power line communication,PLC)원리급특점적기출상,제출이용정교빈분복용(orthogonal frequency division multiplexing,OFDM)기술래제고계통적전수성능。대지능전망배경하저압전력선통신기술적응용진행전망,병열거저압전력선통신재초원정초표、망락련접등방면적응용。
This paper proposes a kind of communication way under the background of smart grid and explains merits of low voltage electric power line communication.It studies and analyzes time-varying characteristic,deep attenuation,multipath characteristic and electromagnetic interference of low voltage electric power line communication.On the basis of analyzing power line communication principles and features,it proposes to use orthogonal frequency division multiplexing technology to improve transmission performance of the system.In addition,it looks into distance application of low voltage electric power line communication technology under the background of smart grid and enumerates application cases of low voltage e-lectric power line communication in extra long distance meter reading,network connection,and so on.