Automation improves operational efficiency - Lang Son Newspaper and Radio and Television Station

Lang Son Power Company staff use sensors to measure load capacity at substations.

In recent years, Lang Son Power Company has been invested by the Northern Power Corporation to build many 110kV substations, synchronized with the output line system. Although the 110kV substations were invested in and built in many different stages, with different management software, up to now, 100% of the 110kV substations have been operated under an unmanned mechanism.

Lang Son High Voltage Enterprise (Lang Son Electricity Company) is the unit assigned to directly manage the substations and 110kV power line system. Currently, the enterprise is equipped with high-tech equipment such as: completely remote control and monitoring equipment via SCADA system, remote control cameras, sensors... These devices allow the enterprise's technical staff to remotely check and analyze the heat of electrical equipment, covering the entire system from 110kV substations to power lines, including areas with difficult terrain or adverse weather. Thanks to that, potential risks such as hot spots, loose contacts, or foreign objects violating the power grid safety corridor are detected early and handled promptly.

Mr. Vu Huu Tuong, Director of Lang Son High Voltage Enterprise, said: Previously, each time operating parameters were adjusted, workers had to go to the site to operate, record and check. Now, with just a few operations on the remote control system, the entire operating process is carried out accurately and quickly.

All operating parameters are automatically collected and transmitted to the Remote Control Center. The data is synthesized and analyzed, helping dispatchers quickly make accurate and timely dispatching decisions. This not only helps optimize human resources but also ensures continuity and safety in the power supply process, thereby helping to improve the reliability of the grid.

Mr. Nguyen Thanh Hai, Head of the Dispatching Department, Lang Son Power Company said: The company is managing 9 110kV substations (including 1 customer substation), with an installed capacity of 475 MVA. All 110kV substations are currently operated without a human operator through an automatic monitoring, data collection and remote control system. The 110kV substations in the province are managed and operated through the Remote Control Center at the Dispatching Department at the company's headquarters. All switching and controlling operations of 110kV substation equipment are carried out right at the center through a modern equipment system.

Not only stopping at modernizing equipment, Lang Son Power Company has now replaced the traditional periodic maintenance method with a method based on real data through sensors to monitor temperature, humidity, and oil levels of equipment in the substation to come up with a suitable maintenance schedule. Thanks to sensors and early warning systems, abnormal signs of the substation are detected promptly, thereby helping the dispatcher to take quick action. This helps to optimize the performance of the substation while minimizing the risk of serious incidents.

Mr. Nguyen Tuan Anh, Deputy Director of Lang Son Power Company, said: 100% digitalization of the management of 110kV substations has brought many practical benefits. In addition, when monitoring via the computer system, the on-duty staff know the actual operating situation on the grid such as voltage, current, capacity, etc., contributing to the good implementation of operation management and reducing power loss, improving reliability to ensure safe and continuous power supply, meeting the electricity usage requirements of the province.

In the coming time, Lang Son Power Company will continue to build more unmanned 110kV substations to meet the development roadmap of smart grid.

It can be seen that digital transformation at Lang Son Power Company has been present in all areas. In particular, focusing on digital management of 110kV substations has been playing a key role in improving the efficiency of grid operations, thereby contributing to ensuring stable and safe power supply to serve the needs of socio -economic development and people's lives in the province.

Source: https://baolangson.vn/automatic-management-of-110kv-voltage-transmission-system-increased-effectiveness-of-electric-grid-operation-5047827.html