AIDC 国内链-H 公司专家交流 20250920 目前，H 公司的 384 节点系统是一种过渡产品。与 920B 相比，920C 性能有 所提升，但仍显不足，尤其是在某些精度运算方面。因此，通过超节点方式组 合起来，以达到一定效果。然而，这种架构并未完全优化，因此 H 公司在 9 月 份推出了 950、960 等新产品，并计划对现有架构进行较大调整。 电源方面， 高压直流（HVDC）将成为未来的发展方向。目前传统机房多采用 AC 转 DC 模 华为主要液冷供应商包括英维克、申菱环境和高澜，英维克在 CPU 冷板 市场占有重要地位，申菱环境主要生产室外大型制冷设备，高澜逐步涉 足内部设备领域。 预计 2025 年 920C 出货量约 30 万片，920B 约 60 万片，950 将于 2026 年一季度推出，但良率较低。2025 年 384 节点部署预计 300- 400 套，2026 年预计 400-500 套，具体取决于 950 上量速度。 式，但这种模式极大限制了供电功率。为了提高供电功率并降低能耗，H 公司 计划采用 800 伏或更高的高压直流模式，这不仅可以节约线缆，还能提高功率 密度。从 202 ...

Summary of Key Points from the Conference Call Industry Overview - The data center power supply is transitioning from AC UPS architecture to High Voltage Direct Current (HVDC) and Solid State Transformers (SST) to meet increasing computing density demands, improve conversion efficiency, and reduce footprint [1][4] - The domestic UPS market remains dominant, but HVDC solutions are being actively adopted by internet operators [1][4] - The overseas market has a pressing demand for HVDC due to rapid increases in computing density, which significantly enhances overall efficiency by improving conversion rates and saving cabinet space [1][6] Core Insights and Arguments - Domestic enterprises are making rapid progress in SST applications, with pilot projects in the "East Data West Computing" initiative [1][5] - Major companies like Tencent and Alibaba are adopting HVDC combined with direct power supply from the grid, collaborating with firms like Zhongheng and Delta for higher integration [1][5] - The main advantages of transitioning to HVDC include reduced AC conversion stages, improved conversion efficiency, lower operational costs, space savings, and better integration of renewable energy sources [1][11] - The data center DC power market is expected to experience rapid growth from 2026 to 2028, with a compound annual growth rate (CAGR) exceeding 30% [1][12] Current Market Landscape - The current domestic and overseas data center power supply primarily uses AC UPS architecture, which is mature and dominated by companies like Eaton, Huawei, and Kehua [3][13] - The HVDC and SST markets are still in their infancy, with domestic companies like Zhongheng and Zhongda actively engaged in R&D [3][13][14] - The transition to HVDC will drive upgrades in power supply components, such as low-voltage electrical devices evolving into DC circuit breakers [3][16] Key Developments by Major Companies - Nvidia plans to launch an 800V architecture by 2027, which will utilize a large module to convert 10kV AC to 800V DC, enhancing efficiency for high-power data centers [8][10] - Google is adopting a ±400V power supply scheme and plans to transition to SST, while Meta is using a similar architecture in its HBRV4 framework [9][10] - Microsoft has proposed two power supply solutions: a ±400V CLL edge cabinet solution and a future integrated SST solution [10] Future Trends and Opportunities - The shift towards HVDC is expected to disrupt the existing UPS supply chain, allowing domestic companies to gain a foothold in the market [17] - Key components benefiting from HVDC transition include low-voltage electrical devices and relays, which will see upgrades to higher voltage standards [18] - The integration of green electricity and the push for carbon neutrality are driving the adoption of HVDC systems, presenting significant opportunities for domestic enterprises [16][17] Conclusion - The data center power supply market is on the brink of transformation, with HVDC and SST technologies poised to redefine efficiency and operational capabilities. The expected growth in the DC power market and the strategic moves by major tech companies indicate a robust future for this sector, particularly for domestic players who can leverage their R&D advantages [12][17]

Summary of Key Points from Conference Call Industry Overview - The global AIDC capacity is expected to reach 20 GW by 2025, 30 GW by 2026, and 47 GW by 2027, reflecting rapid advancements in big data, cloud computing, and AI technologies [1][4] - The market for 10 kV step-down transformers is projected to reach 17.3 billion yuan by 2027, while the circuit breaker market is expected to reach 27 to 27.1 billion yuan [1][4] Market Growth and Projections - The Chinese intelligent computing infrastructure market is anticipated to exceed $135.6 billion by 2025, a growth of approximately 54% from $87.6 billion in 2023, driven by policy support, technological breakthroughs, and application demand [1][6] - The global hyperscale data center market is expected to surpass $80 billion by 2024 and grow to $935 billion by 2032, with major shares held by the US, Europe, and Asia-Pacific regions [1][7] Technological Developments - The evolution of data center power supply architecture has progressed through three generations: traditional AC UPS, high-voltage direct current (HVDC), and solid-state transformers (SST), aiming to enhance energy efficiency, reliability, and power density [1][11] - SSTs are seen as the optimal solution for future data center power systems, offering higher energy efficiency, faster response times, and better reliability [2][11] Demand for Power Equipment - The demand for transformers is expected to reach 7.6 billion yuan in 2025 and exceed 17.3 billion yuan by 2027, while circuit breaker demand is projected to surpass 10 billion yuan in 2025 and reach 27.1 billion yuan by 2027 [2][10] - Domestic manufacturers are expected to gain market share in the rapidly growing data center market due to their cost and efficiency advantages [2][15] Investment Opportunities - Investors are advised to focus on companies like Jinpan Technology and Liangxin Co., which are well-positioned to benefit from the increasing demand for traditional power equipment [8][19] - Companies involved in SST technology, such as Sungrow Power Supply, Shenghong Co., and New Special Electric, are also highlighted for their potential investment value [9][19] Circuit Breaker Functionality - Circuit breakers play a critical role in power protection systems, providing fault isolation, equipment protection, and system stability, especially in HVDC systems [2][9] Future of Solid-State Transformers - SSTs are expected to see rapid growth in application penetration as costs decrease, with significant demand anticipated in data centers, renewable energy generation, ultra-fast charging stations, smart grids, and industrial transportation [3][18] Conclusion - The AIDC industry is experiencing significant growth, leading to increased demand for power equipment, particularly transformers and circuit breakers. The transition to advanced technologies like SSTs presents substantial investment opportunities in the sector [19]

Summary of Data Center Power Supply Trends Industry Overview - The data center power supply is transitioning from traditional AC UPS systems to high voltage direct current (HVDC) and solid-state transformer (SST) solutions, aimed at improving efficiency and accommodating renewable energy integration. Currently, AC power supply remains mainstream, but HVDC is a clear trend [1][2][4]. Key Points and Arguments - **Efficiency Improvements**: HVDC architecture reduces AC-DC conversion stages, lowering energy loss and enhancing overall conversion efficiency. It also saves cabinet space, making it more suitable for integrating renewable energy sources like photovoltaics [1][6]. - **Adoption by Major Companies**: Overseas data centers are rapidly adopting HVDC solutions, while domestic companies like Alibaba and Tencent are using 240V/336V DC systems. Domestic firms are actively developing HVDC and SST technologies to meet market demand [1][2][7]. - **Market Growth Projections**: The data center power supply market is expected to grow rapidly, particularly in high-computing scenarios where HVDC demand is clear. The penetration rate of HVDC solutions is anticipated to continue increasing, significantly expanding market space [1][8]. - **Technological Advancements**: The future of data center power supply is focused on HVDC and SST applications. Companies like Google and Microsoft are already proposing SST-based future solutions, indicating a shift towards HVDC [4][11]. - **Component Demand Increase**: The development of data center power systems will drive demand for components such as circuit breakers, relays, and fuses. Domestic companies are likely to benefit from the HVDC trend, enhancing product pricing and market space [2][11][12]. Additional Important Insights - **Domestic vs. Overseas Market Dynamics**: While overseas data centers are rapidly upgrading their power supply systems, domestic companies are catching up. The domestic market primarily uses low-voltage DC systems, but there is a growing trend towards HVDC and SST technologies [7][10]. - **Competitive Landscape**: The UPS supply chain, previously dominated by foreign and Taiwanese companies, is undergoing transformation. Domestic companies are closing the technological gap and leveraging their innovation and responsiveness to enter overseas supply chains [10][13]. - **Focus Areas for Future Development**: In addition to the overall power supply system, attention should be given to key components like circuit breakers and the "source-network-load-storage" segment, which are crucial for future development [14]. This summary encapsulates the key trends and insights regarding the evolution of data center power supply systems, highlighting the shift towards HVDC and SST technologies and the implications for market dynamics and competitive positioning.