负载电源中滤波电容对低压电力线载波通信的影响研究  

Study on the Quality of Low Voltage Power Line Carriers Communication Signal Transmission

作　　者：曾江黎 杨泽林[1] 

机构地区：[1]宁夏大学,宁夏银川750021

出　　处：《电器与能效管理技术》2015年第4期60-64,共5页Electrical & Energy Management Technology

基　　金：科技部国际合作项目(2011DFA11780)

摘　　要：分析不同频率的信号在计算机电源滤波电路中的传输情况,建立基于Matlab低压电力线仿真模型;在模型中接入计算机电源前端滤波电路并接电容,分析接入不同数量的电容时对仿真模型信号传输的影响。得到不同频率的信号通过仿真模型时的输出图形,根据仿真图形确定适合多负载干扰下的电力线载波通信的最佳载频为50 k Hz左右。This paper analyzed the power-supply-filter-circuit of computer how to transmit the transmission- signal of different frequency, then to establish the simulation model of low voltage power line, adding the parallel capacitor on the front end of computer power filter circuit in the model, to get the output graphics of the signals of different frequencies which communicate in the simulation model. According to the output graphics to determine the best suited for many carrier load of power line communication interference is about 50 kHz,

关 键 词：低压电力线 电源滤波器 通信质量 衰减 信号频率 最佳载频 

分 类 号：TM133[电气工程—电工理论与新技术]