Summary of AIDC Power Technology Conference Call Industry Overview - The conference call focuses on the AIDC (Artificial Intelligence Data Center) power technology sector, particularly the transition from traditional UPS systems to 800V HVDC and SST technologies aimed at improving power supply efficiency and reducing maintenance and expansion difficulties [1][2]. Key Points and Arguments - **Technology Transition**: The industry is witnessing a significant shift towards high-voltage direct current (HVDC) systems, with major Chinese internet companies like BAT (Baidu, Alibaba, Tencent) adopting HVDC technology extensively, with Tencent's data centers reporting over 90% HVDC usage as of 2023 [1][5]. - **Market Dynamics**: The North American market has faced challenges in adopting HVDC due to initial setbacks, but the increasing power demands from GPUs and the competitive edge of renewable energy sources are driving a clearer trend towards HVDC adoption [1][5]. - **SST Advantages**: Solid-state transformers (SST) are highlighted for their ability to save space, reduce line losses, and improve overall efficiency compared to traditional transformer and HVDC combinations. SSTs are composed of electronic modules and high-frequency transformers, making them more competitive for companies with mid-to-low voltage electronic capabilities [1][7][8]. - **Concentration of Market**: The HVDC market is more concentrated than the dispersed UPS market, with a CR3 market share exceeding 90%, and companies like Zhongheng Electric holding about 50% market share. This concentration is expected to continue with the introduction of 800V HVDC and SST technologies [3][9]. Important but Overlooked Content - **Opportunities for Chinese Companies**: Chinese firms are positioned favorably in the overseas AIDC power market due to their cost advantages and the relatively low price sensitivity of power technology compared to chip segments. Companies with clear technological advantages and strong distribution channels, such as Zhongheng Electric, Jinpan Technology, and others, are recommended for investment [3][10]. - **Future Trends**: The call emphasizes the importance of channel advantages and R&D capabilities in selecting companies for investment, particularly in the SST sector, which is expected to see significant growth in the coming years [4][10]. - **Impact of Power Demand**: The increasing demand for power in data centers, particularly noted during peak usage periods in July and August, is pushing the need for more efficient power solutions, further enhancing the relevance of HVDC and SST technologies [5]. This summary encapsulates the critical insights from the conference call regarding the AIDC power technology landscape, highlighting the ongoing technological shifts, market dynamics, and investment opportunities within the sector.

Summary of Conference Call Notes Industry Overview - The AIDC (Artificial Intelligence Data Center) power supply system is transitioning to 800V HVDC, with solid-state transformers (SST) expected to become the final solution in the next 3-5 years [1][4] - Domestic companies like Shenghong Co. and Jinpan Technology are anticipated to leverage their technological advantages and existing overseas channels to penetrate the global supply chain [1][4] - The global capital expenditure growth is projected to exceed 50% in 2025, driving the adoption of HVDC over traditional UPS systems and SST over traditional HVDC+BRT [1][7] Key Trends and Developments - The application of green electricity in AIGC has significant potential, which may enhance its market space and impact power quality [1][6] - The UPS market is characterized by regional strengths and a fragmented competitive landscape, with the top three manufacturers holding about 40% market share, while the top three HVDC manufacturers currently dominate with approximately 90% market share, expected to decline to 60-70% [1][16][17] - The increasing power density in server power supplies is a clear trend, with domestic manufacturers like Oton and Meritec beginning to enter overseas supply chains [2][5][19] Market Dynamics - Domestic manufacturers have not yet fully penetrated the downstream market in onboard power supplies but are actively participating in the first-level UPS and second-level floating power supply segments [3] - The overseas market has been slow to adopt HVDC technology due to the stability of UPS systems and a lack of significant power increases in the industry [10] - However, the integration of renewable energy and the increase in cabinet power to over 200 kW are accelerating the introduction of HVDC technology in overseas markets [10][11] Technological Innovations - Delta's 800V HVDC solution utilizes a combination of HVDC modules, supercapacitors, and BPU to achieve direct current reduction within IT racks, facilitating the transition from 800V to a 50V system for data center servers [12][13] - SST is expected to see product rollout in 3-5 years, with decreasing semiconductor costs making it more competitive with traditional transformers [14] - The acceptance of SST technology is anticipated to be higher than current market perceptions due to its integration of traditional transformers with SSD and HVDC [14] Competitive Landscape - The competition in the UPS market is fragmented, while the HVDC market is more concentrated, with a significant share held by major internet companies [16][17] - The potential for HVDC technology in overseas markets is increasing, particularly as power requirements rise and existing supply systems approach their limits [11][18] Future Outlook - The market for second-level server power supplies is expected to continue growing, driven by increasing GPU and server power demands [18][19] - The development of power quality equipment is crucial for addressing harmonics and reactive power issues in data centers, with leading companies like Shenghong Co. expected to maintain their market share [20] - Chinese manufacturers are well-positioned to expand overseas, with a focus on first-level power supply innovations like 800V HVDC and SST [21][22]

Summary of UPS and HVDC Industry Conference Call Industry Overview - The North American UPS market is expected to grow at around 20%, significantly higher than the domestic growth rate of 8%-9% due to rapid AIDC construction [1][6] - The global UPS market size is approximately $7 billion, with North America accounting for about 52%, or $3.5 billion [2] Key Players and Market Dynamics - Major UPS manufacturers in North America include Vertiv, Schneider, and Eaton, which collectively hold 65%-70% of the market share [2] - Vertiv, Schneider, and Eaton primarily produce their products locally, with less than 5% sourced from other regions [5] - The average price per watt for UPS in North America is about $0.8, compared to approximately ¥0.45 in the domestic market [10][11] Demand and Supply Insights - Despite the potential for HVDC to replace UPS in the future, the demand for UPS remains strong in the short term [1][6] - Leading companies are not expanding production capacity significantly but are optimizing existing lines to meet demand, reflecting a cautious approach towards future HVDC adoption [7] Emerging Trends and Technologies - Nvidia's future distribution architecture will adopt a unipolar 0 and 800-volt scheme, which is expected to rapidly increase HVDC penetration from 0% to 60%-70% [24] - The third-generation 800-volt HVDC is currently in the pilot stage, with high costs primarily due to expensive components [4][28] Competitive Landscape - New giants like ByteDance prioritize performance metrics and rigorous testing over price when selecting UPS suppliers, with Eaton and Vertiv offering competitive pricing due to scale advantages [14][15] - Domestic companies are currently limited in their ability to directly access overseas end customers, primarily exporting through state-owned enterprises [12] Future Outlook - The North American UPS market is projected to maintain a growth rate of around 20% over the next few years, with no significant capacity shortages anticipated [22] - Domestic UPS industry growth is expected to remain at 8%-9%, driven by operators and cloud providers [13] Pricing and Cost Structure - The pricing for the third-generation HVDC is expected to decrease as production scales up, currently priced at around $4 per watt [38] - Solid-state transformers (SST) are priced at approximately $800-$900 per kilowatt due to their custom nature and advanced materials [31] Strategic Considerations - Companies like Sungrow are well-positioned to enter the HVDC market due to their existing technology in rectifiers and inverters, with a strong sales network in North America [42] - The U.S. market has a risk assessment for Chinese companies, but firms like Sungrow can mitigate concerns by being transparent about their technology [43] Conclusion - The UPS and HVDC markets are experiencing significant changes driven by technological advancements and shifting demand patterns. Companies must navigate these dynamics carefully to capitalize on growth opportunities while managing risks associated with market entry and competition.

Summary of Solid-State Transformer (SST) Industry Trends Industry Overview - The solid-state transformer (SST) industry is in its early stages both domestically and internationally, with companies like China Xidian already deploying 2.4 MW SSTs in data centers, showing promising operational results [1][5] - Key players in the SST market include China Xidian, Sungrow Power Supply, Jinpan Technology, and New Special Electric [3][9] Core Insights and Arguments - SSTs convert 10 kV AC to 800 V DC, simplifying the power supply chain and improving efficiency, which is crucial for AI data centers with increasing power demands [2][3] - The current price of SSTs is relatively high, ranging from 7 to 14 RMB per watt in overseas markets, but costs are expected to decrease with technological advancements and mass production [6] - The global AI data center (AIDC) market is projected to reach a deployment of over 10 GW by 2025, potentially nearing 20 GW, with a market size exceeding 100 billion RMB [8] Market Potential and Demand - The demand for SSTs is anticipated to reach a trillion RMB level as power density requirements increase in data centers [9] - The transition from traditional UPS systems to high-voltage direct current (HVDC) power supply methods is driving interest in SSTs as a primary solution for future AI DC power needs [2] Advantages of Solid-State Transformers - SSTs utilize semiconductor components instead of traditional iron core windings, achieving energy conversion at frequencies exceeding 1 kHz, reducing size to 1/5 of traditional transformers, and offering power densities over 10 kW/kg [4][7] - The conversion efficiency of SSTs exceeds 98%, making them significantly more efficient than traditional transformers [7] Future Outlook - The SST market is expected to grow significantly, with a focus on companies that have made advancements in this technology [9] - Other AIDC power equipment, including 800 V HVDC, ACDC, BBU, and liquid cooling systems, are also viewed positively for their importance in technological advancements and application expansion [10]