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昆柳龙工程投运五周年 开创世界特高压技术新纪元
Core Insights - The Kunliulong Direct Current Project, the world's first ±800 kV ultra-high voltage flexible direct current transmission project, marks a significant milestone in China's power industry, having operated safely for five years and demonstrating advanced technology in global power transmission [1][7] Group 1: Project Achievements - Over the past five years, the Kunliulong project has delivered more than 113.5 billion kilowatt-hours of clean electricity, equivalent to a reduction of 87 million tons of CO2 emissions, contributing significantly to low-carbon development [1] - The project has achieved 19 world-firsts, showcasing its scale, reliability, and technological maturity, and providing critical technical support for large-scale renewable energy transmission [1][7] Group 2: Technological Innovations - The flexible direct current converter, described as the "heart" of the project, utilizes over 5,000 IGBT modules that operate with high precision, adjusting every 100 microseconds, thus overcoming a major challenge in the global power industry [2] - The control and protection system, referred to as the "super brain," can manage 17,000 control objects with ultra-fast, high-precision coordination, achieving a control response time of under 150 microseconds, setting a new global record [3] - A hybrid topology structure was developed to address lightning strike issues, allowing for rapid fault clearance and restoration of power supply within 0.5 seconds, significantly enhancing grid reliability [4][5] Group 3: Emergency Response and Stability - The flexible direct current technology features an "emergency rescue" capability, enabling quick transitions to support modes during grid faults, thus providing voltage support and ensuring grid safety [6] - The technology has proven to stabilize the integration of renewable energy sources like wind and solar power, addressing challenges in connecting these variable power sources to the grid [6] Group 4: Recognition and Future Prospects - The Kunliulong project has received multiple accolades, including being named one of the "Top Ten Super Projects" by state-owned enterprises and winning the "National Quality Engineering Gold Award" [7] - The project exemplifies China's leadership in high-end power equipment and is seen as a significant contribution to global sustainable energy development, with ongoing advancements supporting the construction of a new energy system and achieving carbon neutrality goals [7]
电力设备及新能源行业双周报(2025、8、15-2025、8、28):建议关注新型储能环节-20250829
Dongguan Securities· 2025-08-29 08:10
Investment Rating - The report maintains an "Overweight" rating for the electric equipment and new energy industry [2] Core Viewpoints - The report suggests focusing on the new energy storage segment, highlighting the need for system-friendly new energy power plants to address the instability of renewable energy output [2][39] - The report emphasizes the importance of enhancing the predictive accuracy of wind and solar power generation to improve grid integration [39] - It recommends paying attention to leading inverter companies that benefit from the development of new energy storage technologies [39] Market Review - As of August 28, 2025, the electric equipment industry has increased by 6.08% over the past two weeks, underperforming the CSI 300 index by 0.88 percentage points, ranking 9th among 31 industries [11] - The electric equipment industry has risen by 11.88% this month, outperforming the CSI 300 index by 2.35 percentage points, ranking 7th [11] - Year-to-date, the electric equipment sector has increased by 15.01%, outperforming the CSI 300 index by 1.56 percentage points, ranking 16th [11] Valuation and Industry Data - As of August 28, 2025, the PE (TTM) for the electric equipment sector is 28.32 times, with sub-sectors showing varied valuations: - Electric motor II: 57.18 times - Other power equipment II: 54.33 times - Photovoltaic equipment: 21.08 times - Wind power equipment: 35.53 times - Battery: 27.20 times - Grid equipment: 26.13 times [22][25] Industry News - The report discusses the Chinese government's initiatives to promote green and low-carbon urban development, emphasizing energy efficiency and the adoption of advanced technologies [35] - It highlights the National Energy Administration's focus on enhancing the adaptability of the power system to renewable energy, including the construction of a new power system and the promotion of energy storage solutions [36] Company Announcements - The report includes recent financial performance announcements from various companies, such as: - GreenMe achieved a revenue of 17.56 billion yuan in the first half of 2025, a year-on-year increase of 1.28% [41] - XianDai Intelligent reported a revenue of 6.61 billion yuan, up 14.92% year-on-year [41] - Euro Continental's revenue reached 2.12 billion yuan, reflecting a growth of 32.59% [41]