格隆汇11月24日丨泰永长征(002927.SZ)在互动平台表示，公司产品可适用于数据中心配电系统。目前 固态断路器仍处于细分行业试点、示范项目阶段，销售订单总量占比小。 ...

资金流向方面，今日该股主力资金净流出8506.26万元，其中，特大单净流出5268.24万元，大单资金净 流出3238.02万元。近5日主力资金净流入1.30亿元。（数据宝） 泰永长征11月20日交易公开信息 泰永长征今日跌停，全天换手率16.79%，成交额7.30亿元，振幅17.69%。龙虎榜数据显示，机构净卖出 4224.99万元，营业部席位合计净买入607.56万元。 深交所公开信息显示，当日该股因日振幅值达17.69%、日跌幅偏离值达-9.23%上榜，机构专用席位净卖 出4224.99万元。 证券时报·数据宝统计显示，上榜的前五大买卖营业部合计成交2.33亿元，其中，买入成交额为9845.68 万元，卖出成交额为1.35亿元，合计净卖出3617.43万元。 具体来看，今日上榜的营业部中，共有4家机构专用席位现身，即买四、卖二、卖三、卖五，合计买入 金额2954.78万元，卖出金额7179.77万元，合计净卖出4224.99万元。 | 买/ 卖 | 会员营业部名称 | 买入金额（万元） | 卖出金额（万元） | | --- | --- | --- | --- | | 买一 | 国金证券股份有限公司上海静 ...

Core Insights - Solid-State Transformers (SST) are leading innovations in power transmission and distribution, utilizing power electronics and high-frequency electromagnetic induction principles [1][2] - China has established a well-defined vertical industry chain for SST, with upstream focusing on wide bandgap semiconductors and soft magnetic materials, midstream on modular manufacturing, and downstream on applications in smart grids and data centers [1][6] - The SST industry is transitioning from technology validation to large-scale commercialization, driven by AI computing power and energy transition, despite facing technical bottlenecks [1][12] Industry Overview - SST, also known as Power Electronic Transformer (PET), replaces traditional transformer components with semiconductor devices to achieve voltage transformation and electrical isolation [2][3] - The main types of SST include AC-SST, DC-SST, and Hybrid-SST, each serving different applications from smart grids to data centers [4][5] Cost Structure - The cost structure of SST is heavily concentrated in upstream components, with power electronic devices accounting for approximately 40% of costs, followed by high-frequency transformers, structural cooling, and control systems each at about 15% [8][10] Market Dynamics - The demand for SST is rapidly diversifying, primarily driven by global energy transition and digital infrastructure development, with AI data centers being the largest application segment [11][12] - The Chinese silicon carbide (SiC) market is projected to grow from approximately 1.6 billion yuan in 2024 to 1.91 billion yuan in 2025, indicating strong growth potential [10] Development Status - The SST industry in China is at a critical stage of transitioning from technology validation to commercialization, with challenges including high costs and lack of standards [12][13] - Major companies like China Xidian and TBEA are leading the market, with significant shares in high-end applications [15] Future Trends - The industry is expected to see breakthroughs in material performance and technology, leading to cost reductions and performance improvements [16] - Application scenarios are anticipated to expand from data centers and smart grids to electric vehicle charging and industrial applications [17] - The competitive landscape will evolve, emphasizing technology, capital, and supply chain capabilities, with a focus on domestic material sourcing [18]

【泰永长征：研发直流断路器产品应对新能源发电、储能、电动汽车充电、数据中心等直流配电场景的 应用】智通财经11月19日电，泰永长征(002927.SZ)发布投资者关系活动记录表，公司断路器产品将重 点围绕"智能化"与"高压直流化"两大趋势拓展。在智能化方面，公司现有产品已实现数字化升级迭代， 并将融合物联网与AI算法，实现从精准感知、主动预警到自主决策的进阶，从而提供覆盖设备全生命 周期的数字化运维方案，实现从"被动保护"到"主动智控"。在高压直流化方面，传统断路器无法满足直 流系统快速、无弧、可靠开断的技术要求，为应对新能源发电、储能、电动汽车充电、数据中心等直流 配电场景的应用，公司将推动研发高可靠性、高响应的直流断路器产品，实现从交流主导向交直流融合 拓展，以适应直流系统的应用场景。 转自：智通财经 ...

Group 1: Technology and Innovation - Solid State Transformer (SST) has significant potential in flexible interconnection and new energy integration, facing challenges in materials, devices, circuits, control, and systems [2] - The company is focusing on "intelligent" and "high-voltage direct current" trends for circuit breakers, integrating IoT and algorithms for enhanced digital operation and proactive decision-making [2] - Solid-state circuit breakers (SSCB) are being developed to meet the rigid demand for core protection devices in the context of the "dual carbon" strategy and the large-scale integration of renewable energy sources [3] Group 2: Financial Performance - The company's gross margin has experienced fluctuations due to rising raw material prices, intense industry competition, and changes in customer and product sales structures, yet remains at the industry average [2] Group 3: Product Advantages - Solid-state circuit breakers offer advantages over traditional breakers, including microsecond-level fast interruption capabilities, no arc generation, and reduced risk of damage to power systems, enhancing safety and reliability [3] - The intelligent 1U circuit breaker integrates load protection, communication self-recognition, and metering functions, reducing height from 3U to 1U to meet space requirements in communication base station cabinets [3]

Core Viewpoint - The A-share market shows a slight decline with the Shanghai Composite Index closing at 3938.29 points, below the five-day moving average, indicating a minor negative sentiment in the market [1] Market Performance - The total trading volume of A-shares reached 1,115.728 billion yuan today [1] - The Shanghai Composite Index experienced a change of -0.04% [1] Stocks Breaking the Five-Day Moving Average - A total of 188 A-shares have surpassed the five-day moving average today [1] - Notable stocks with significant deviation rates include: - Lian Te Technology (301205) with a deviation rate of 11.68% and a daily increase of 15.88% [1] - Hengguang Co., Ltd. (301118) with a deviation rate of 11.40% and a daily increase of 19.98% [1] - Taiyong Changzheng (002927) with a deviation rate of 7.85% and a daily increase of 10.00% [1] Stocks with Smaller Deviation Rates - Stocks with smaller deviation rates that have just crossed the five-day moving average include: - Aerospace Rainbow (not specified) with a small deviation rate [1] - Gongchuang Lawn (not specified) with a small deviation rate [1] - Shoulu Hotel (not specified) with a small deviation rate [1]

Core Viewpoint - Taiyong Changzheng announced the significance of Static Transfer Switches (STS) in ensuring continuous power supply for critical loads, emphasizing their rapid switching capabilities and high reliability [1] Group 1: Product Overview - Static Transfer Switches (STS) are based on power electronics technology and can switch between two independent power sources extremely quickly, typically within milliseconds or even microseconds [1] - The core value of STS lies in "ultra-fast switching" and "high reliability," making them essential for applications where power interruption is not permissible [1] Group 2: Industry Applications - STS is primarily used in industries that require continuous power supply, such as telecommunications, rail transportation, comprehensive medical services, and process industries [1]

Core Viewpoint - Taiyong Changzheng announced on November 17 that both silicon-based devices and silicon carbide devices have applications, depending on the specifications of different current products. The company believes that the core competitiveness of solid-state circuit breakers lies in their product design and algorithms [1] Group 1 - The company highlighted the applicability of silicon-based and silicon carbide devices based on varying current specifications [1] - The core competitive advantage of solid-state circuit breakers is attributed to product design and algorithm capabilities [1]

Core Insights - The announcement from Taiyong Changzheng on November 17 highlights the fundamental differences between solid-state circuit breakers and solid-state relays, despite both utilizing semiconductor switching technology for circuit control [1] Group 1: Product Comparison - Solid-state relays function primarily as fast execution switches controlled by electrical signals, focusing on the reliability and lifespan of load circuit operations [1] - Solid-state circuit breakers serve as intelligent protection devices with real-time monitoring and fault diagnosis capabilities, designed to automatically detect and interrupt overloads and short circuits within microseconds, emphasizing system-level safety and fault current limiting [1] - Solid-state circuit breakers can also fulfill the functions of solid-state relays due to their high electrical lifespan characteristics [1]

Core Viewpoint - The company reported fluctuations in gross margin due to rising raw material prices, intense industry competition, and changes in market customer structure and product sales structure, but the gross margin remains at the industry average [1] Group 1: Financial Performance - The company's gross margin has experienced certain fluctuations and declines, influenced by multiple factors [1] - Despite the fluctuations, the gross margin is still at the industry average level [1] Group 2: Strategic Response - To adapt to the operational pressures from external environmental changes, the company is focusing on cost reduction and efficiency enhancement through various methods such as technological innovation, engineering process optimization, and workflow improvements [1]