日产发布了第三代e-POWER混合动力系统,采用5-in-1模块化架构设计,将电动机、减速器、逆变器、增速器和发电机五个关键部件集成在一起1。相比前代产品,新系统在燃油效率、加速性能和静音性能方面均有显著提升1。
新一代系统在多个环节进行了技术优化1。电动机采用扁平线圈设计以提高电流流动效率,逆变器搭载最新一代功率模块并配备双面冷却结构1。部分车型配置碳化硅(SiC)功率半导体,可进一步降低功率损耗1。此外,系统搭载的专用发电引擎采用长冲程设计实现稳定燃烧循环,并融入STARC燃烧概念来控制燃烧室内气流方向以改善点火性能1。该引擎配备大涡轮增压器1。
Nissan has unveiled its third-generation e-POWER hybrid system, featuring a 5-in-1 modular architecture that integrates five critical components: an electric motor, reducer, inverter, step-up converter, and generator 1. This integrated design delivers improvements in fuel efficiency, acceleration performance, and noise reduction compared to its predecessor 1.
The new powertrain incorporates several technological enhancements. The system employs flat-wire coils to improve current flow efficiency and features an advanced-generation power module with dual-sided cooling in the inverter 1. Select vehicle variants utilize silicon carbide (SiC) power semiconductors, which reduce power losses 1. The dedicated generator engine employs a long-stroke design to achieve a stable combustion cycle, while the STARC combustion concept manages airflow direction within the combustion chamber to improve ignition performance 1. The ZR15DDTe engine is equipped with a large turbocharger 1.
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