基于可信WAPI通信的无线智能接地线管理系统

Wireless Intelligent Ground Wire Management System Based on Trusted WAPI Communication

WAPI网络安全体系是我国自主提出的无线局域网安全标准,除了具有WiFi本身具备的大带宽、广连接、移动性等特点外,还通过双向鉴别、证书认证实现电力业务稳定可靠、安全可信的接入。搭建变电站WAPI网络,实现站内区域信号全覆盖;部署变电站无线智能接地线管理系统,安全接入无线网络,实现接地桩状态实时采集;将原微机防误系统接地桩“虚遥信”变为“实遥信”,避免装拆接地线“走空程”操作,杜绝接地线误挂漏拆问题。

WAPI(Wireless LAN Authentication and Privacy Infrastructure)security system is a wireless local area network security standard independently proposed by China.In addition to the characteristics of large bandwidth,wide connectivity,and mobility that WiFi itself possesses,it also achieves stable,reliable,and secure access to power services through bidirectional authentication and certificate authentication.A WAPI network was built for the substation,achieving full coverage of signals within the station area.A wireless intelligent ground wire management system for the substation was deployed and securely connected to the wireless network to achieve real-time collection of ground pile status.The original microcomputer error prevention system ground pile was transformed from"virtual remote signal"to"real remote signal",thereby avoiding the operation of"empty distance"for installing and dismantling ground wires,and addressing the problem of ground wire hanging or missing.