Wiscom System | Stock Code: 002090
025-52762828
Smart Energy
Yunnan Huaning: China's First County-Level Intelligent Distributed Distribution Network Self-Healing System Based on 5G Communication
The Yunnan Huaning Distribution Network Self-Healing System is China's first county-level intelligent distributed self-healing system for distribution networks based on 5G communication. It was successfully deployed and launched by Wiscom System in collaboration with the client during the National Day holiday in 2021.
During the initial design phase, considering the on-site conditions and investment scale of the county-level distribution network, the system innovatively adopted a 5G network slicing model. At 00:21:17.129 on March 29, 2022, a short-circuit fault occurred on the system's line due to a fallen tree branch. The self-healing system activated immediately. The upstream and downstream switches tripped within 2 seconds to isolate the fault, and the tie switch closed within 4.83 seconds to restore power to the non-faulted section. This marked the first successful operation of a 5G-based intelligent distributed county-level distribution network self-healing system in China!
The successful operation of this system signifies a leap for the client's distribution network self-healing capability from "minute-level" to "second-level," significantly improving the power supply reliability in the area and demonstrating excellent comprehensive application results. The 5G-based distribution network self-healing solution provides a new development approach for county-level distribution grids.
Construction of the Suqian Power Supply Branch Smart Distribution Network New Technology Research and Application Laboratory
Wiscom System participated in the construction of the Smart Distribution Network New Technology Research and Application Laboratory for State Grid Jiangsu Electric Power Company's Suqian Power Supply Branch. The lab utilizes Wiscom's self-developed distribution network dynamic simulation platform and a 10kV real-type distribution network test field. It enables the polymorphic reproduction of various operating conditions and scenarios for distribution networks, providing practical support for device-level or system-level testing and validation of key distribution equipment, active distribution network feeder automation, voltage sags, small current earth fault line selection, and active distribution network coordinated control.
The World's First Detection Assembly Line Based on Visual Recognition and Artificial Intelligence
On February 25, 2019, the world's first integrated detection assembly line for distribution terminals, based on visual recognition and artificial intelligence technologies, was commissioned at the Jiangsu Electric Power Research Institute. This assembly line consists of a Smart Distribution Transformer Terminal (TTU) detection line, a Fault Indicator (FI) detection line, an intelligent three-dimensional warehouse, a terminal detection system, and detection business management software. It can meet the annual testing demand for 300,000 smart transformer terminals and 120,000 fault indicators, achieving full-process, all-item, batch, and parallel testing of distribution terminals.
The assembly line extensively employs advanced technologies such as AI and IoT, achieving innovation in key detection technologies. It solves the technical challenges of low efficiency and high cost associated with traditional manual testing, as well as the inability to perform integrated testing for different types of distribution terminals.
The commissioning of this AI-powered detection assembly line will more rigorously and efficiently ensure the quality of distribution terminals entering the grid. It provides a solid guarantee for comprehensively advancing distribution automation construction, elevating the application level of distribution automation, and improving the reliability, quality, and efficiency of power supply in distribution networks.
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