摘要
输电线路作为整个电力系统的大动脉,其可靠性和稳定性决定了电力系统的整体性能。为提升输电线路检修维护管理水平,完成智能电网建设要求,一套功能完善、性能可靠的在线监测系统是必不可少的。文章结合河北电网输电线路实际情况及国家电网公司安全接入平台相关规范要求,深入分析通信传输网络架构,结合当前通信新技术,设计了一种无线宽带专网与4G公网相融合的组网方案,利用跳时扩频通信技术对现有的OFDM技术进行改进,结合有向天线技术,实现带宽54 M,传输距离大于10 km的无线宽带专网。通过理论分析及现场测试,实现了监测数据的有效传输。
Transmission line is the backbone of the whole power system, the overall performance of power system depends on its reliability and stability. To improve the maintenance and management level of transmission line, meet the requirements of smart grid, an on-line monitoring system with perfect functional and reliable performance is indispensable. Considering the practical situation of Hebei electric power transmission line and requirements of SGCC security access platform specification, this paper deeply analyzes commtlnication transmission network architecture and current communication technologies, designs a network scheme harmonizing broadband wireless private network and 4G network, using THSS communications technology to improve the existing OFDM technology, combining with the antenna technology, finally the network performance of bandwidth 54 M and transmission distance 10 km is realized. Through theoretical analysis and field test, the effective transmission of monitoring data is realized.
作者
任瑞杰
王亚静
闫斌
REN Rui-jie WANG Ya-jing YAN Bin(Maintenance Branch, State Grid Hebei Electric Power Company, Shijiazhuang 050021, China Information and Communication Branch, State Grid Hebci Electric Power Company, Shijiazhuang 05002 I, China State Grid Shijiazhuang Power Supply Company, Shijiazhuang 050021, China)
出处
《电力信息与通信技术》
2017年第3期89-94,共6页
Electric Power Information and Communication Technology
关键词
在线监测
无线宽带专网
OFDM
数据传输
on-line monitoring
wireless private broadband network
OFDM
data transmission
