青海主电网开展全流程融冰应急演练

Core Viewpoint - The State Grid Qinghai UHV Company conducted an emergency drill for ice melting in the Qinghai main power grid, focusing on the safety operation of the power grid during winter and simulating extreme weather conditions [1][2] Group 1: Emergency Drill Overview - The drill was organized in the Haibei Tibetan Autonomous Prefecture, simulating ice hazard scenarios under extreme rain, snow, and freezing conditions [1] - The exercise aimed to test the emergency response mechanism, multi-departmental collaboration, and the application of technological equipment [1] Group 2: Response Mechanism - Upon receiving a weather warning from the Central Meteorological Observatory, the company's emergency command system was activated, enabling real-time information flow and task distribution [1] - The transmission observation team utilized drones and portable weather stations to monitor ice thickness, discovering areas with ice thickness reaching 16 millimeters, posing a serious threat to line safety [1] Group 3: Ice Melting Operations - The company initiated a direct current ice melting emergency response procedure, with various professional teams working closely together [2] - Staff efficiently completed switching operations and safety isolation at the 330 kV Daban and 330 kV Dongsu substations to facilitate ice melting operations [2] - New mobile ice melting devices were deployed, and a complete ice melting circuit was established through quick installation and safety measures [2] Group 4: Technical Validation - The core phase of the drill involved using a "phase-specific ice melting" method, applying new mobile ice melting devices to conduct pressurized ice melting on different phases while monitoring temperature data in real-time [2] - The exercise focused on validating the operational status and stability of the new mobile ice melting devices in high-altitude, low-temperature environments [2] Group 5: Training and Skill Development - The drill integrated practical training with technical briefings and process reviews, allowing experienced personnel to guide younger employees under real pressure [2] - This approach enhanced the emergency team's skills and psychological resilience in responding to complex conditions during extreme weather [2]