Abstract:The Acrel-1000 Substation Integrated Automation System is a new-generation power monitoring system developed by our company based on the requirements of power system automation and unattended operation. It summarizes advanced research and production experiences from both domestic and international markets. This system boasts protection, remote measurement, remote signaling, remote pulse, remote adjustment, and remote control functions, enabling unattended or minimal personnel operation. It offers a novel solution for the economic and reliable operation of monitoring systems. The system employs a hierarchical distributed structure, with the entire monitoring system physically divided into two layers: the station control layer and the interval layer. The station-level communication network utilizes standard Ethernet and TCP/IP communication protocols, with physical media including fiber optics, Ethernet cables, and shielded twisted pair cables. The system supports communication protocols such as Modbus RTU, Modbus TCP, CDT, IEC60870-5-101, IEC60870-5-103, IEC60870-5-104, and more.

Keywords: Substation Integrated Automation System; Unmanned Operation.