配网开关设备智能物联感知与关键技术研究

Research on Intelligent IoT Sensing and Key Technology of Distribution Network Switchgear

针对配网开关设备智能化程度不高、难以支撑智能运维的现状,以新型电力系统建设中对电力设备实现“可观、可测、可控”的要求为目标,构建了配网开关设备智能物联感知方案,实现配网开关设备状态感知及故障研判。根据“软件定义硬件”的技术原则,基于国产芯片设计了自主可控的智能物联感知终端软硬件平台。终端采用LXC容器技术实现软硬件的解耦,通过业务类APP实现终端功能及灵活扩展。同时对机械特性分析、温度监测、电机状态、图像位置识别等核心边缘计算等算法进行了详细论证。最后进行了试验验证,结果表明可实现配网开关设备状态实时感知、就地故障分析等功能,能够有效支撑设备的智能运维,具有良好的应用价值。

In view of the current situation that the intelligent degree of switchgear of distribution network is not high and is difficult to support intelligent operation and maintenance and taking the requirements of“observable,measur⁃able and controllable”of power equipment as the target in the construction of new power system,an intelligent IoT sensing scheme of switchgear of distribution network is constructed to realize the state sensing and fault diagnosis of distribution network switching equipment.According to the technical principle of“software defines hardware”,an au⁃tonomous and controllable software and hardware platform of intelligent IoT sensing terminal is designed based on do⁃mestic chips.The terminal adopts LXC container technology to realize the decoupling of software and hardware,and realizes the terminal function and flexible expansion through business app.At the same time,such core edge calcula⁃tion algorithms as mechanical characteristic analysis,temperature monitoring,motor condition and image position recognition are demonstrated in detail.Finally,the test verification is performed.The results show that it can realize the functions of real⁃time state sensing and local fault analysis of switchgear of distribution network,can effectively support the intelligent operation and maintenance of equipment and have good application value.