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].