基于正交频分复用的电力载波宽带远动通信系统  

Power Line Carrier Broadband Remote-control Communication System with OFDM

作　　者：沈明德[1] 彭端[2] 徐玉凤 

机构地区：[1]广东红海湾发电有限公司,广东汕尾516623 [2]广东工业大学实验教学部,广州510006 [3]广州市仟顺电子设备有限公司,广州510660

出　　处：《广东电力》2008年第5期26-29,51,共5页Guangdong Electric Power

摘　　要：论述了基于正交频分复用(OFDM)的电力载波宽带远动通信系统,提出将OFDM调制技术运用于10kV配电网电力线载波通信中,可以达到lMbps以上的数据通信速率,满足中压配电网宽带远动通信高可靠性需要。分析了基于OFDM的电力载波宽带远动通信系统关键技术,相比传统的电力线载波通信技术而言,它可以提供更高的频谱利用率、更快的通信速率、更好的抗信道衰落性能以及更高的可靠性。This paper describes the power line carrier（PLC） broadband remote-control communication system based on orthogonal frequency division multiplexing（OFDM）.It is indicated that data communication rate exceeding 1 Mbps can be achieved by applying OFDM to 10 kV distribution PLC communication,thus meeting the stringent reliability requirement on broadband telecontrol communication in MV distribution network.The key techniques of the system are analyzed.Compared with conventional PLC communication technology,it can provide higher spectrum utilization ratio,quicker communication rate,better capability against channel deterioration and higher reliability.

关 键 词：正交频分复用(OFDM) 电力载波通信 配电自动化 远动通信系统 

分 类 号：TM73[电气工程—电力系统及自动化] TN913[电子电信—通信与信息系统]