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Source: Southern Power Grid NewsOn August 27, the first competition of the 15th National Games in Shenzhen, the finals of the mass competition gateball event, concluded after six days. Athletes on the field were sweating profusely, while power supply personnel ensured the event ran smoothly.With drones autonomously taking off and accurately patrolling the lines according to predetermined routes; the “Cyber Dog” traversing the substation, keenly capturing every move of the equipment… The Shenzhen Power Supply Bureau utilizes “AI + Robots” to construct a three-dimensional intelligent inspection system, transitioning power supply assurance from a “human wave tactic” to “human-machine collaboration,” establishing a smart defense line for the 15th National Games and the Special Olympics.The “Aerial Vanguard” possesses multiple operational skillsInspection efficiency increased by 6 timesAmidst the towering mountains, silver lines soar through the sky, delivering light to thousands of households. In Shenzhen, such aerial “power highways” stretch over 4,300 kilometers, equivalent to the distance of a round trip between Shenzhen and Beijing.“In the past, our technicians would traverse mountains and valleys, inspecting lines with binoculars. Even so, it was difficult for the human eye to comprehensively detect minor issues with tower components. Now we have drones,” said Shu Mingjie, a skills expert at the Transmission Management Office of the Shenzhen Power Supply Bureau. As he operated the remote control, the nearly 1-square-meter “Aerial Vanguard” instantly took off, using its “portable” precision instruments to “photograph and examine” the lines, helping power supply personnel complete in over an hour the workload that previously took about a day of manual inspection, increasing inspection efficiency by approximately six times.“Drones can accurately create a three-dimensional model of the lines and surrounding environment. This allows us to quickly analyze whether there are ‘dangerous neighbors’ near the lines on the computer,” Shu Mingjie explained. “When we identify tree obstruction hazards, we can use drones equipped with ‘scissors’ to ‘prune’ branches with one click, avoiding the risks of high-altitude work and power outages while maximizing the protection of the entire tree, achieving ‘three benefits in one action.'”In substations, the “Aerial Vanguard” also showcases its capabilities. Power supply personnel can remotely command the drone to take off and autonomously patrol by simply clicking a mouse in the office. “This drone power inspection system was independently developed by the Southern Power Grid, currently covering about 1,900 shooting points within the station, effectively compensating for the blind spots of ground cameras,” said Zhong Tianyong, head of the 500 kV Modern Inspection and Maintenance Center of the Shenzhen Power Supply Bureau.“Relying on Shenzhen’s strong low-altitude industry foundation, we actively collaborate with local leading drone R&D and manufacturing companies to develop power inspection drones, improving power supply efficiency while broadening the application scenarios of drones, contributing to the accelerated development of Shenzhen’s low-altitude economy,” said Deng Shicong, head of the power supply assurance office for the 15th National Games.The “Cyber Dog” is unafraid of complex environmentsCompleting full station inspections in half an hourIn addition to drones, the ground “Cyber Dog Team” is also a valuable assistant. They resemble real dog breeds but possess a variety of skills. Sensors, autonomous navigation algorithms, high-definition visible light cameras, infrared thermal imaging devices, and 3D navigation radar… these intelligent elements constitute the “vital organs” of the robotic dogs, enabling them to quickly perform tasks such as infrared temperature measurement, meter identification, and abnormal sound detection, while transmitting inspection data in real-time to assist power supply personnel in AI intelligent diagnosis.“We only need to issue task instructions in the background, and the robotic dogs can follow designated routes within the station to ‘observe, inquire, and examine’ the equipment,” Zhong Tianyong explained. Currently, the “Cyber Dog Team” mainly oversees important power supply monitoring points such as Shenzhen substations, cable tunnels, and distribution rooms, and can also handle adverse weather and complex terrain, enhancing the efficiency of handling power supply emergencies.It is reported that this year, the Shenzhen Power Supply Bureau also applied underwater robots for the first time in the country to inspect the pile foundations of overhead transmission lines at sea, improving the three-dimensional intelligent inspection system. “The ‘AI + Human’ intensive, standardized, and systematic intelligent inspection model is gradually replacing traditional manual methods. For example, at a 220 kV substation, traditionally, two people would spend about 4 hours on-site. Under the intelligent inspection model, only one person can remotely oversee the entire station’s equipment in 30 minutes,” said Wang Xunjiang, deputy director of the production monitoring department of the production command center of the Shenzhen Power Supply Bureau.The “Smart Brain” monitors the grid status across the entire chainReal-time data captured in one imageIn the digital combat landscape, both frontline robots and the rear “smart brain” are needed for strategic planning.On the large screen in the main control room of the Shenzhen Power Supply Bureau’s power command center, all power supply conditions of the venue for the gateball event at the Shenzhen Universiade Center are condensed into a “Power Supply Assurance Map.” Power supply facility data is updated in real-time, and live video footage is continuously played, allowing power supply personnel to monitor the operational status of related 500 kV high-voltage equipment from a 220-volt socket, capturing and alerting any anomalies in the venue’s power supply.“This is the smart power supply assurance system we ‘customized’ for the 15th National Games. The system relies on a ‘digital twin grid map’ and the first large-scale practical application of ‘Electric Honghua’ IoT devices in the country, enabling command personnel to clearly understand what power supply is needed, who is responsible, and how to ensure it,” said Chen Zuowei, head of the power grid group for the power supply assurance office of the 15th National Games. The system achieves data interoperability across three platforms: large screen, PC, and mobile, allowing command instructions and anomaly alerts to reach frontline personnel directly, realizing “state perception across the network, command execution to the end, task management on-site, and resource allocation in an integrated manner.”It is understood that there are 108 power supply assurance locations in the Shenzhen competition area of the 15th National Games and the Special Olympics, involving one-third of the substations in the Shenzhen power grid and about 450 return distribution lines. The Shenzhen Power Supply Bureau is actively utilizing new technologies in collaboration with Shenzhen Smart Energy Technology Co., Ltd. and other units to strengthen the power supply assurance line. “We will continue to earnestly implement the requirements for technology-driven events, vigorously promote the large-scale application of new technologies such as ‘Electric Honghua,’ robots, and artificial intelligence in power supply assurance locations, making the sports event even more exciting due to technological power supply assurance,” Deng Shicong stated.Further Reading
China’s Top 500 Enterprises | Changes in the Rankings of State-Owned and Private Power Energy Enterprises!
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Facing the Great Heat | Virtual Power Plants, Energy Storage, and Smart Grid Digitalization as Better Solutions (with Project Table)
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