固态变压器SST产业趋势凸显，多厂商布局看好应用前景-新能源

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]