特高压换流变

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特高压“心脏”中的中国电力出海密码|活力中国调研行
2 1 Shi Ji Jing Ji Bao Dao· 2025-09-18 06:39
Core Viewpoint - The development of UHVDC (Ultra High Voltage Direct Current) technology is becoming a significant aspect of China's international presence, with companies like Borui Electric leading the way in overseas projects [1][2]. Group 1: UHVDC Technology and Projects - UHVDC technology is crucial for large-capacity, long-distance power transmission and interconnection of power grids, widely applied in major domestic and international projects [2]. - China has completed 23 UHVDC projects domestically, with Borui Electric supplying core equipment for 19 of them, including the world's highest voltage level project, Changji-Guquan ±1100kV UHVDC project [3]. - Borui Electric has established a strong reputation internationally, attracting many countries to choose Chinese manufacturers for UHVDC projects, as seen in the Brazil Belo Monte Phase II ±800kV UHVDC project [3][4]. Group 2: International Expansion and Innovations - Many countries are opting for Chinese manufacturers for the renovation of existing UHVDC projects, such as Borui Electric's first overseas UHVDC converter valve renovation project at Brazil's Itaipu Hydropower Station [4]. - Borui Electric and other companies from Changzhou are promoting "Changzhou manufacturing" globally, further solidifying Changzhou's position in the UHV transmission and transformation equipment manufacturing sector [4]. Group 3: Flexible DC Technology - The increasing share of renewable energy in the power grid poses challenges for stability, leading to the emergence of flexible DC transmission technology [5]. - By 2025, it is projected that wind and solar power installations in China will reach approximately 1.65 billion kilowatts, accounting for 46% of total power installations, necessitating UHVDC for long-distance transmission [5]. - The world's first UHV flexible DC project, Gansu to Zhejiang ±800kV, began construction in July 2024, with Borui Electric participating in the world's largest flexible DC back-to-back project in Dongguan [6]. Group 4: Future Developments and Innovations - Borui Electric is accelerating the development of grid-forming energy storage systems, intelligent pumped storage, and flexible low-frequency transmission technologies to support the new power system [6]. - The company has successfully developed grid-forming energy storage and other technologies, which are essential for the rapid development of new power systems [6].
中国西电(601179):埃镑汇兑影响全年利润 一季度保持高增
Xin Lang Cai Jing· 2025-04-29 02:35
Core Insights - The company reported a revenue of 22.28 billion yuan for 2024, representing a year-on-year increase of 5.1% [1] - The net profit attributable to shareholders for 2024 was 1.05 billion yuan, up 17.5% year-on-year, while the non-recurring net profit reached 1.00 billion yuan, a significant increase of 55.5% [1] - In Q4 2024, the company experienced a revenue of 7.04 billion yuan, a 2.7% increase year-on-year, but the net profit dropped by 24.9% to 270 million yuan [1] Financial Performance - The company faced a foreign exchange loss of 241 million yuan in 2024, which increased by 190 million yuan year-on-year, primarily impacting Q4 profits [2] - Transformer revenue for 2024 was 9.218 billion yuan, up 17.8% year-on-year, while switch revenue was 8.504 billion yuan, increasing by 11.0% [2] - Domestic revenue reached 19.002 billion yuan, a 5.9% increase, while international revenue was 2.825 billion yuan, up 6.5%, accounting for approximately 13% of total revenue [2] Profitability and Margins - The gross margin for transformers was 14.35%, an increase of 5.88 percentage points year-on-year, while the gross margin for switches was 26.52%, up 1.29 percentage points [3] - The overall net profit margin for 2024 was 4.73%, a 0.5 percentage point increase year-on-year, with Q1 2025 reaching 5.6%, the highest since 2019 [3] Cash Flow and Inventory - The company reported a net operating cash flow of 3.499 billion yuan for 2024, a significant increase of 176.6% year-on-year [3] - As of Q1 2025, inventory stood at 4.868 billion yuan, a 51.2% increase year-on-year, indicating a strong delivery capacity [3] Future Outlook - The company expects to achieve a net profit of approximately 1.785 billion yuan in 2025, corresponding to a PE ratio of about 18 times, driven by continued delivery of ultra-high voltage products and enhanced manufacturing capabilities [4]