Core Viewpoint - Solid State Transformers (SST) present significant advantages over traditional transformers, making them the future trend for data center DC power distribution systems [4][5]. Group 1: Advantages of SST - Traditional transformers are large, space-consuming, and only support AC power, which limits the integration of renewable energy [4]. - SSTs are compact, lightweight, and can convert between AC and DC, offering better efficiency and flexibility [4][5]. - SST solutions improve efficiency by over 3% compared to traditional UPS systems, potentially saving significant electricity costs for data centers [5]. Group 2: Commercial Logic of SST - Overseas power equipment companies have established deep partnerships with leading cloud providers and data center firms, positioning them as Tier 1 suppliers for SST products [6]. - Domestic suppliers in the SST supply chain are expected to serve as Tier 2 suppliers, providing components to overseas power equipment companies [6]. - Domestic power equipment firms are developing SST products with potential breakthroughs in direct supply to overseas cloud providers, technical collaborations, and applications in various domestic scenarios [6]. Group 3: Market Drivers and Future Outlook - The rapid advancement of AI technology and increasing capital expenditures in global data centers will sustain investment opportunities in AIDC power solutions [6]. - The release of the Rubin architecture HVDC in 2026 and the R&D progress of companies like Delta and Vertiv in 800V HVDC and SST products will act as significant catalysts for the sector [6]. - The demand for key components such as SiC, nanocrystalline alloys, and thermal materials will continue to rise with the development of mid-voltage high-frequency SST products [7].

Core Insights - The report from Everbright Securities highlights the continuous advancements in AI technology and the upward adjustment of global data center capital expenditure, which will sustain investment opportunities in AIDC power supply [1] - The release of the Rubin architecture HVDC in 2026, along with the development progress of 800V HVDC and SST products by various companies, will serve as significant catalysts for the sector [1] - Domestic companies' advancements in HVDC and SST product development, entry into overseas supply chains, and the initiation of domestic green electricity direct connection and AC/DC hybrid markets will provide crucial support for industry growth [1] - The demand for key components such as SiC, nanocrystalline alloys, and thermal materials will continue to rise due to the increasing need for medium-voltage high-frequency SST products [1] Industry Developments - Solid-state transformers (SST) offer significant advantages over traditional transformers, being compact and lightweight, and capable of switching between AC and DC, making them more flexible [1] - Current primary application scenarios for SST include AC/DC hybrid distribution networks, green electricity direct connections, and electric vehicle charging stations, positioning SST as the future trend in AIDC power supply architecture [1] - Nvidia is exploring medium-voltage rectifier applications to convert medium-voltage AC to 800VDC and is committed to utilizing SST technology as a future-oriented facility distribution solution [1] Technology Innovations - High-frequency transformers are core components of SST, with amorphous nanocrystalline materials effectively addressing technical challenges in high-frequency transformer technology [2] - Key technical bottlenecks for high-frequency transformers include small capacity, high loss density, and complex system designs with high costs [2] - The application advantages of amorphous nanocrystalline materials in SST are evident due to their high resistivity, which reduces eddy current losses, and their excellent soft magnetic properties [2]

Market Overview - The Shanghai Composite Index opened up by 0.17%, the Shenzhen Component Index by 0.51%, and the ChiNext Index by 0.83%, with sectors like quantum technology and commercial aerospace leading the gains [1] External Market Movements - On the US market, major indices rose collectively, with the Nasdaq increasing by nearly 1% driven by strong performance in technology stocks. Notable gains were observed in Chinese concept stocks, with the Nasdaq Golden Dragon China Index rising by 1.66% [2] Sector Insights - **AI and Data Centers**: CITIC Securities highlighted the acceleration of AI monetization and strong capital expenditure from cloud vendors, predicting rapid growth in global data center installations. The report emphasized the advantages of Solid-State Transformers (SST) in high-voltage direct current (HVDC) systems for data center power distribution [3] - **Gold Assets**: Huatai Securities noted a significant drop in international gold prices, but maintained that gold remains a suitable safe-haven asset. The report suggested that the recent price decline presents a buying opportunity, with a recommendation to focus on leading gold companies that are expected to achieve volume and price growth [4] - **Baijiu Sector**: Tianfeng Securities pointed out a relatively subdued response at the recent national liquor exhibition, with a cautious sentiment among distributors. However, they noted a mild recovery in terminal sales and suggested that the current valuation of leading liquor companies presents a buying opportunity [5] - **Robotics Industry**: Guotai Haitong recommended focusing on investment opportunities within the Yushu Robotics industry chain, following the launch of a humanoid robot by Yushu Technology, which showcases significant technological advantages [6] - **Coal Market**: CITIC Construction Investment reported a favorable supply-demand balance for thermal coal, predicting continued price increases due to supply constraints from adverse weather and maintenance activities in major production areas [7] - **Cryptocurrency Mining Transition**: Guojin Securities indicated that cryptocurrency mining companies are transitioning to AI data centers, leveraging low electricity costs and existing power quotas. The report advised focusing on companies with clear AI expansion plans and undervalued stock prices [8]