1. Full-size ground test platform for 25 MW offshore wind turbine

Originally proposed the transmission chain axis angle adjustment technology suitable for large-scale differential wind turbine shaft angles, and overcome technical difficulties such as complex resonance control of large-capacity power grid simulation devices, grid-connected condition simulation and broadband characteristic testing of wind power, and can truly and controllably reproduce the complex extreme natural environment and power grid environment faced by offshore wind turbines. The results were completed and put into operation in Fuqing, Fujian in December 2024, and the full working condition simulation test of 25-megawatt wind turbines can be carried out, filling the gap in my country's technical fields such as ground test systems and grid-connected tests of large offshore wind turbines.

　　2. Beidou safety monitoring and emergency remote control system of hydropower station dam

A Beidou fusion static high-precision solution algorithm suitable for Gaoku dam has been developed, with the optimal positioning accuracy up to 1 mm, meeting the deformation monitoring requirements of Gaoku dam. It integrates Beidou 3 short message, passive emergency opening and closing, intelligent PLC technology and secure encryption algorithm, which can realize remote monitoring and emergency response of gates in extreme environments. The results were applied to the Longtan Hydropower Station in Guangxi and the Guwa Hydropower Station in Sichuan in December 2024, which can realize high-precision automated monitoring of dam deformation of hydropower stations in remote areas, effectively respond to the monitoring and control of the risk of missing connections of gates and ecological factories, and are of great significance to ensuring the safe and stable operation of my country's hydropower station dams.

　　3. Complete set of underwater intelligent maintenance equipment for nuclear power plants

Break through the key equipment for detecting and repairing harsh underwater radioactivity of nuclear power plants, and overcome key technologies such as high-precision defect detection, laser additive welding, and precision cutting and forming. It can remotely realize operations such as defect inspection and repair of nuclear power underwater equipment, effectively reducing the risk of radioactive radiation to staff and greatly improving maintenance efficiency. The results were applied to the maintenance of spent fuel pools of the "Guohe No. 1" demonstration project in 2024, effectively improving the level of intelligent underwater maintenance of nuclear power plants in my country.

　　4. Nuclear power plant emergency diesel generator set

Break through key technologies such as performance design, structural strength calculation, temperature field simulation, machine casting processing, etc. in nuclear power plant emergency diesel generators, and developed a high-power, long-life and high-reliability emergency diesel engine with completely independent intellectual property rights. The power of the whole machine reaches 9,000 kilowatts, and the average fault-free time exceeds 2,000 hours, filling the gap in my country's autonomous controllable high-power emergency diesel generators for nuclear power plants. The results will be used for nuclear power projects such as Ningde, Fujian, Taipingling, Guangdong and Zhaoyuan, Shandong, which is of great significance to ensuring the construction and safe operation and maintenance of nuclear power projects in my country.

　　 5. Lightning protection system for ultra-high voltage and ultra-high voltage transmission engineering

It has overcome key technologies such as lightning shielding characteristics evaluation of complex channels, development of high-performance DC zinc oxide resistors, and online monitoring of all-waveforms of lightning arresters, and developed a full-voltage series of DC line lightning arresters to ±400 kV to ±1100 kV.The results are applied to large western-east power transmission channels such as the ±1100 kV Jiquan Line and the ±800 kV Binjin Line, which greatly reduces the lightning failure rate and ensures the peak summer lightning protection safety of ultra-high voltage and ultra-high voltage transmission lines during the high-incidence season of thunderstorms, and provides important technical support for the safe and stable operation of my country's large power grid.

　　6. UHV DC control protection system based on independent controllable chips

has overcome key technologies such as high-performance distributed parallel computing, high-speed signal acquisition and safe and reliable communication, completed the integration and innovation of independent chips and UHV DC control and protection systems, and realized the independent control of my country's UHV DC "brain". The results are applied to the "wind, light, fire and storage integration" energy base transmission of ±800 kV ultra-high voltage DC project from Longdong to Shandong, the "Shagohuang" large wind power photovoltaic base transmission of ±800 kV ultra-high voltage DC project from Shaanxi-Anhui, and the Three Gorges power transmission DC transformation project, etc., providing strong guarantees for my country's energy and power safety.

　　7. Panoramic simulation mirror system for online control of large-scale new energy power systems

　　Break through key technologies such as large-scale new energy power system panoramic mirror simulation, complex system online analysis and control decision-making, and developed a power grid dispatching operation simulation mirror system that interacts with scheduling control and electromagnetic transient simulation in the closed loop, realizing the integration of system simulation, operation control, and regulation and driving, effectively supporting the dynamic deduction and control decisions of high-proportion new energy power systems. The results are applied to the online control of frequency, voltage and sections of new energy power systems, as well as the online verification of real-time control functions of 11-round (ultra-) high-voltage DC power such as Kunliulong, effectively improving the control and control capabilities of new power systems.

      8. Direct river and sea 14,000 cubic meters LNG refueling transport ship

Break through a number of key technologies such as the development and design of the direct-to-jianghai ship, the overall layout and lightweight design of the new LNG enclosure system, the stability of the multi-stage screw power shaft system and the sealing design of the oil-free screw shaft. It has developed a 14,000 cubic meter LNG filling transport ship in the river and sea, which can realize the dual functions of direct-to-jianghai LNG filling and transportation of one-stop LNG filling and transportation, filling the gap in the low-temperature core supporting facilities of my country's LNG storage and transportation equipment. The results were delivered and operated in July 2024, and several LNG recharge operations were completed at Shanghai Yangshan Port, providing a "Chinese solution" for the construction and operation technology of key core equipment of LNG ships.

　　9. Mobile well field rock sample integrated continuous measurement imaging system

　　 has broken through key technologies such as the development of high linear gradient coils and short echo interval radio frequency. It has developed a well field nuclear magnetic measurement system using gradient slice measurement, realizing high-precision measurement of near-in-situ core parameters of the well field and continuous three-dimensional digital core fusion imaging. The results are applied to 11 wells in multiple unconventional oil and gas exploration blocks in key basins such as Tarim, Sichuan, and Songliao, which has promoted the technological transformation of rock physics experiments from indoor to well site, from single point to continuous, and from single attribute to multi-parameter coordinated measurement. It is of great significance to the efficient exploration and development of unconventional oil and gas represented by continental shale oil.　　

     10. Intelligent control system for comprehensive mining faces of coal mines based on Minhong

For the first time, the Internet of Things system architecture based on the Minhong operating system was built in the coal mine comprehensive mining working face, and a complete set of equipment for comprehensive mining working face based on domestic chips, operating systems, application software, and whole machine products and a handheld mobile cockpit for mining were developed, achieving comprehensive independent development from the underlying hardware to the upper software, and a unified data transmission protocol was proposed to improve the efficiency of information sharing and collaborative work. The results were put into use in the intelligent comprehensive mining working face of Yamei Daning Coal Mine in Shanxi in October 2024, providing strong support for the safe and efficient mining of coal.