摘要
论述了低压电力线载波通信的应用及其信道特性研究现状,指出低压电力线载波阻抗研究缺陷及其测试的重要性;其次,设计了基于GPRS的低压电力线载波阻抗自动测试系统,同时阐述了系统的构成及组网方案;最后,分析系统功能需求,开发了系统主站管理软件,并着重介绍系统功能和系统主站管理软件设计开发的关键技术。该系统在不同时间、不同地点均稳定运行,采集的阻抗测试数据为低压电力线阻抗特性研究和阻抗匹配提供了参考。
This paper firstly outlines the applications of low voltage power line carrier communication,and the current research actuality of its channel characteristics.The problem of carrier impedance research is presented,and the importance of carrier impedance measurement is emphasized.Secondly,a remote ATS of carrier impedance over low voltage power line is designed,whose framework and realization schemes are also illustrated.Finally,according to the functional requirements,the system management software is developed.This article focused on the introduction of the system functions and some key development techniques of the software.Whenever and wherever the system is,it works stably,acquiring impedance measurement data which provides reference for low voltage power line impedance characteristics research and impedance matching.
出处
《电测与仪表》
北大核心
2012年第3期54-58,共5页
Electrical Measurement & Instrumentation
关键词
载波阻抗
GPRS
远程测试
网络通信
carrier impedance
GPRS
remote test
network communication