Core Insights - The article discusses the advancements and market positioning of Solid State Transformers (SST) in the context of data centers and renewable energy, highlighting the growing demand and competitive landscape in both domestic and international markets [2][3]. SST Progress and Fundamentals - SST technology shows significant potential in data centers and renewable energy sectors, with NVIDIA's Rubin architecture expected to adopt SST technology, likely ahead of the anticipated supply timeline of late 2027 or early 2028 [2]. - North American SST orders have high profitability, with gross margins reaching 50-55%. The market currently faces a supply-demand imbalance, with order fulfillment cycles extending from 9-12 months, and some North American manufacturers experiencing delays of up to 18 months [2]. Domestic and International Manufacturer Layouts - Various global manufacturers are actively advancing SST technology. Eaton, a leader in the VIGC sector, has introduced an energy router power supply architecture and is accelerating its entry into emerging markets through acquisitions [3]. - Delta has launched an HBDC power solution based on third-generation silicon carbide devices, which supports flexible adjustments for data center load demands and integrates well with renewable energy and storage systems [3]. - In China, companies like Sifang, Xidian, and Jinpan Technology are expanding into SST technology, leveraging their existing strengths to explore commercial applications in data centers and renewable energy [3]. Jinpan Technology - Jinpan Technology reported robust performance in the first half of 2025, with significant growth in its electromechanical business and notable progress in the ultra-high voltage sector, benefiting from new project launches [4]. - The company achieved a 64% year-on-year increase in overseas revenue, successfully securing contracts for data center substations in Malaysia, and anticipates an annual compound growth rate of approximately 80% in data center revenue from 2022 to 2024 [4][5]. - Jinpan has developed a 2.4 MW solid-state transformer prototype suitable for HVDC800V power supply architecture, laying the groundwork for further expansion into overseas markets and AIDC sectors [5]. Other Manufacturers - Eagle and New Special Electric have accumulated technology in phase-shifting transformers and are actively developing SST technology to meet data center demands [6]. - Sungrow Power Supply has made significant strides in photovoltaic inverter technology, launching the world's first 35 kV medium-voltage direct-connected photovoltaic inverter, which is well-suited for large-scale solar power generation [7]. - Weiguang Energy, supported by Baiyun Electric Group and Xi'an Jiaotong University, focuses on SST energy routers and has delivered 92 units for various applications, including data centers and charging stations [8]. - Teradyne has demonstrated strong technical and supply chain advantages in the charging pile and SST sectors, leveraging its expertise in power electronics technology [9].

AI"探电"：SST 重塑未来 AIDC 供电架构 20250923 摘要 固态变压器（SST）凭借高效率（全链路效率提升 4-5%）、体积小 （占地面积为传统方案的 1/3 至 1/2）、灵活性高和预制化设计等优势， 有望成为下一代数据中心供电架构的优选方案，尤其是在高密度、空间 紧张的数据中心。 北美市场变压器供应紧张，单位成本自 2019 年来上升超 77%，交付周 期长达 46 周，SST 凭借其快速部署特性，更适配北美 AIDC 建设需求， 有望成为下一代供电方案。 国内政策利好频出，如绿电直连政策和新型电力系统建设试点，强调算 力与电力协同及绿色算力，为数据中心增效减碳提供机会，SST 高度适 配绿电直连和源网荷储一体化系统。 尽管 SST 初始投资成本较高，但通过精简中间环节和紧凑设计减少设备 和线缆使用量及施工量，全生命周期成本具备优势，且随着技术成熟， 降本空间大，投资竞争力强。 典型 SST 采用三级能量转换结构，包括 ACDC 输入级、高频 DCDC 隔 离级和输出级。主流拓扑方案基于 ISOP 架构，即输入端串联输出端并 联，设计成熟且拓展方便。 Q&A 固态变压器（SST）在数据中心 ...