Core Insights - The article focuses on the disassembly and analysis of the inverter used in the Xiaomi SU7 electric vehicle, highlighting its importance as a core component of the vehicle's power drive system [5][9]. Group 1: Key Parameters and Supplier Information - The inverter supports a maximum stable speed of 21,000 RPM and operates on a 400V system with an output power of 220KW [9]. - The core supplier for the inverter is UAES (United Automotive Electronics), a joint venture between a parent company and a Chinese enterprise [9]. Group 2: Disassembly Process and Component Analysis - The inverter features a protective cover and a well-organized layout for the DC side terminals, ensuring safety in high-voltage environments through specialized sealing materials [11]. - The signal system is designed with a focus on electromagnetic compatibility (EMC), utilizing soft materials to absorb noise and featuring a gate drive circuit with an Infineon MCU and an Allegro current sensor [18][19]. - The power circuit includes three 2-in-1 silicon carbide (SiC) modules, a CLC filter circuit for input current stabilization, and a current sensor for real-time monitoring [21]. - The cooling system employs a water-cooling mechanism designed by Bosch, ensuring efficient heat dissipation for the power module and capacitors [25]. Group 3: Key Design Highlights - Noise control is achieved through the use of soft materials in the signal system and optimized wiring in the power circuit to minimize electromagnetic interference [29]. - The inverter is lightweight (approximately 10kg) due to the extensive use of flat transformers and compact packaging of the SiC modules [29]. - A multi-layer cooling design addresses the heat generation of power devices and capacitors, suitable for the 220KW high power output requirement [29]. - Structural stability is enhanced through laser welding at critical connection points and the use of large bolt specifications [29].

Core Viewpoint - The article discusses the global market for automotive EMC chassis dynamometers, highlighting its expected growth and the key players in the industry [2][10]. Market Overview - The global automotive EMC chassis dynamometer market is projected to reach $120 million by 2031, with a compound annual growth rate (CAGR) of 8.2% over the coming years [2]. - The market is driven by advancements in technology that enhance testing precision and efficiency, as well as the increasing demand for EMC testing due to the rise of electric vehicles [10]. Key Manufacturers - Major manufacturers in the automotive EMC chassis dynamometer market include AVL List GmbH, AIP Automotive, HORIBA, Meidensha Corporation, and Mustang Advanced Engineering, with the top five companies holding approximately 71% of the market share [5][13]. Market Segmentation - The market is segmented by product type into integrated and standalone systems, and applications include automotive OEMs and third-party service providers [13]. Regional Focus - Key regions of interest for the automotive EMC chassis dynamometer market include North America, Europe, China, and Japan [13]. Challenges - Customization demands from different clients increase development costs and time, while varying EMC standards across countries require manufacturers to adapt their products [11].