核聚变装置主要部件拆解2： 电源深度

Summary of Key Points from the Conference Call Industry Overview - The conference call focuses on the nuclear fusion industry, specifically the power supply systems used in fusion devices, which constitute approximately 15% of the overall cost structure of fusion reactors [1][2][3]. Core Insights and Arguments - Power Supply Systems: The core components of the power supply systems are the magnet power supply and heating power supply. The magnet power supply is crucial for superconducting magnets, characterized by high current and low energy loss, with key players including Xuji Electric and others [1][2]. - Heating Power Supply: This system is essential for plasma heating, requiring high voltage, typically in the tens of kilovolts range. Companies involved include Sichuan Chuangxin Electronics and others [1][2]. - Global Competition: There is an active global push for nuclear fusion projects, with the U.S. accelerating approvals for new reactor types and China conducting laboratory and facility design tenders. This competitive landscape is expected to drive technological advancements and market opportunities [3][4]. - Recent Market Performance: The nuclear fusion sector has seen significant performance improvements due to U.S. administrative orders speeding up reactor approvals and advancements in key technologies. Despite potential short-term corrections, the long-term growth potential remains substantial [4]. Additional Important Content - Power System Types: The nuclear fusion industry utilizes two main types of power systems: pulsed power systems and steady-state power systems. The ITER project exemplifies this, with China responsible for the pulsed power component and the U.S. for the steady-state power component [5]. - Superconducting Magnet Power Supply: This power supply operates at high current (thousands of kVA) and low voltage (1 kVA), leveraging the near-zero resistance of superconducting magnets at low temperatures [6]. - Heating Power Principles: The heating power supply operates based on electromagnetic induction principles, generating eddy currents to heat plasma, but requires auxiliary heating to achieve the necessary temperatures for fusion [7][8]. - Auxiliary Heating Technologies: Two main types of auxiliary heating technologies are identified: Pulsed Step Modulation (PSM) and High Voltage Pulsed Supply (HVPS). The ITER project employs four auxiliary heating methods, including Ion Cyclotron Heating and Electron Cyclotron Heating [9][10]. - Voltage Requirements: Different heating methods have specific voltage requirements, with Ion Cyclotron Heating needing 18-27 kV, while Neutral Beam Injection requires up to 1,000 kV, indicating higher technical challenges and value in heating systems compared to magnet power supplies [12]. - Key Companies to Watch: Notable companies in the nuclear fusion sector include Sichuan Chuangxin Electronics, Yingjie Electronics, and Xuguang Electronics, which have significant roles in power supply and auxiliary equipment manufacturing. Other companies like Yinxing Energy and Xuji Group are also highlighted for their contributions to the industry [16].