数字同频直放站在变电站中的应用及测试  

Application and Test of Digital Co-Frequency Repeater in Substation

作　　者：蔡勇超 余勇 吕华良 CAI Yongchao;YU Yong;LYU Hualiang(Guangdong Foshan Power Supply Bureau of China Southern Power Grid,Foshan 528000,China)

机构地区：[1]南方电网广东佛山供电局,广东佛山528000

出　　处：《现代信息科技》2023年第1期72-74,共3页Modern Information Technology

摘　　要：为解决变电站机房内信号强度弱,以及变电站内智能巡检设备与运维人员移动作业终端经常掉线的问题,研究了变电站内无线信号的分布情况,提出了基于数字直放站的信号延伸方案。针对直放站的性能指标要求,设计了直放站的测试方法,并进行现场测试和应用验证。结果表明该方案实施简单、成本较低、测试方法全面实用,信号覆盖范围满足要求,是目前解决变电站机房信号弱问题的最佳方案之一。In order to solve the problem that the signal strength in the substation machine room is weak,the intelligent inspection equipment in the substation and the mobile operation terminal of the operation and maintenance personnel are often disconnected.The distribution of wireless signals in substations is studied,and a signal extension scheme based on digital repeaters is proposed.According to the performance index requirements of the repeater,the test method of the repeater is designed,and the field test and application verification are carried out.The results show that the scheme is simple to implement,low in cost,comprehensive and practical in testing methods,and the signal coverage meets the requirements,it’s one of the best solutions to solve the problem of weak signal in the substation machine room.

关 键 词：同频直放站 变电站 信号测试 系统增益 

分 类 号：TN929.5[电子电信—通信与信息系统]