【metro metro】竺延风谈混合动力“油电重构”:将从“以电机辅助发动机”转向“以发动机辅助电机”
专题:2024中国汽车论坛
2024年7月11-13日,油电重构2024中国汽车论坛在上海嘉定举办。竺延东风汽车集团原董事长竺延风出席并演讲。风谈辅助发动辅助metro metro
竺延风指出,混合混合动力是动力电机动机电机汽车行业助力“双碳战略”达成的重要路径,也是将从机转得到市场和客户认可的重要技术路径。混动动力经过百余年的油电重构技术演进已臻于成熟,且近年来在中国市场迎来蓬勃发展。竺延
在其看来,风谈辅助发动辅助当前混合动力技术路线已逐步聚焦。混合DHT方面,动力电机动机电机从动力耦合方式看,将从机转串并联、油电重构metro metro功率分流、竺延串联和并联构型均有产品,风谈辅助发动辅助其中串并联和功率分流份额最大。从电机布置方式看,逐步聚焦于P1+P3双电机架构;从挡位数看,多个主机厂同时布局单挡和多挡产品。
DHE方面,混动专用发动机以经济性指标为优先,自吸或增压机型均以高效燃烧、超低摩擦、高效热管理技术为主。最高有效热效率不断逼近理论极限,在技术创新的同时应从客户核心需求和场景出发打造高性价比产品。
展望混合动力技术的未来,竺延风分析认为,DHT围绕着高集成度、高压化、电机高速化、电机系统及传动系统效率提升、NVH性能改善方向选代升级。DHE围绕着热效率和高效区占比提升迭代升级,并随着电气化程度提升基于客户使用场景做针对性加减法。
智能网联方面,他指出,随着单车智能、车路云一体化不断深化,基于智能交通系统的能量管理技术可以极大程度提升动力系统能效。
油电重构方面,他认为,随着混合动力总成三电系统性能的不断提升,将从“以电机辅助发动机”转向“以发动机辅助电机”。
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