作为一款标榜动力性能的轿跑车型,小鹏P7将通过高性能三合一电驱系统、智能双电机四驱、全球领先方形电池组等领先配置,为用户带来越级性能体验。
近日,小鹏汽车公布了旗下第二款纯电动车型P7的三电核心动力系统详细参数。信息点包括:
-三合一电驱动系统,功率密度2kW/kg
-电池容量:80.87kWh
-电池系统能量密度:>160Wh/kg
-IGBT:英飞凌950 IGBT模块
-可持续40秒向电机输出580A大电流
-四驱高性能车型NEDC续航550km
-后驱长续航车型NEDC续航650km
作为旗舰产品,小鹏P7已于广州车展启动预售,新车将推出四驱高性能版和后驱长续航版两种动力配置的5款车型,预售价格区间为27万-37万元,新车将于2020年二季度正式上市并启动交付。
小鹏P7承担着品牌向上的重任,其定位于四门纯电动轿跑车型,更高的车型定位也使其变得更加成熟稳重。和小鹏汽车已经推出的G3车型比起来,两车之间的家族化特色很不明显,只有全封闭的前脸比较一致。
值得一提的是,小鹏P7的风阻系数仅为0.236Cd,是目前国产车型中的最低风阻,直接带来40km左右的续航提升。
高性能三合一电驱系统
小鹏P7将电机、电控、减速器高度集成,组成高性能三合一电驱系统。相比传统分散型电驱布局,三合一电驱系统效率更高、结构更紧凑、重量更轻、车内布置更规整、可靠性更强。
整套电驱系统体积仅18.6L,功率密度达到行业领先的2kW/kg。
通过系统优化匹配,电机系统最高效率>95%,NEDC综合工况效率大于85.5%。
作为电驱系统的核心,小鹏P7搭载了高性能后驱永磁同步电机,最大功率196kW、峰值扭矩390Nm。
配合最大功率120kW、峰值扭矩265Nm的前电机,四驱高性能车型综合功率316kW、扭矩660Nm,0-100km/h加速时间仅需4.3s。
具备强劲爆发力的同时,小鹏P7拥有强大的动力过载能力。三合一电驱系统全球率先搭载德国英飞凌950 IGBT模块,可持续40s向电机输出580A大电流;采用实时精确的温估算技术,有效管理IGBT核心温度;配备大扭矩水冷减速器,国内首创外置冷却水道。
在众多先进配置的加持下,小鹏P7可连续30次进行0-100km/h急加速,从60km/h到最高车速均能持续输出峰值功率。
智能双电机四驱
依托前后双电机布局,小鹏P7四驱高性能车型具备可全域无级动力分配的四轮驱动能力。两台电机分别对前后轮独立控制,不同工况下均能够提供充足的扭矩和功率,实现各种路况下的全天候牵引力控制。
相比传统机械四驱系统,小鹏P7的双电机四驱可针对前后轮扭矩分别进行智能控制,扭矩比例在0-100%全域范围内无极分配,且动力调节速度更快,带来更强的车辆稳定性及操控性能。
不同驾驶场景下,P7双电机四驱系统设置了不同扭矩分配策略,充分平衡整车的动力性、经济性和操控性能,使各项性能趋于最优:
经济模式下效率更优,较低负荷情况下采用两驱模式,加速过程中,平滑过渡到四驱模式,保证系统效率达到最优;
运动模式下,扭矩分配参照加速过程中的前后轴荷转移,充分利用路面的附着系数,提高轮胎的抓地能力,提升加速能力和操控极限;
湿滑低附着力路况,四驱系统在ESP触发之前,实时监控车辆横向稳定状态,对扭矩分配比例进行动态调节,保障安全平稳驾驶。
全球领先方形电池组
小鹏P7搭载全球领先的最新一代方形电池组,电池额定容量80.87kWh、电池系统能量密度>160Wh/kg,带来550+km(四驱高性能车型)至650+km(后驱超长续航车型)的NEDC综合续航里程。
同时,电池组具备更优越的快充边界、低温充电边界,充电28分钟即可从30%充满至80%,充电10分钟即可实现NEDC续航里程近120km,保证小鹏P7超长续航、快速充电和冬季正常使用。
此外,P7电池组还具备一系列领先“隐藏技能”:
电池组高度集成,在保证能量密度和安全性的前提下将电池组高度降低至110mm(行业普遍>140mm),保证P7低趴运动的轿跑造型;
防尘防水性能达到IP68最高级标准,保证电池在1米深的水下放置48小时无任何渗透;应用了先进电池热管理技术,可保证在-30~55℃范围内正常工作。
作为一款标榜动力性能的轿跑车型,小鹏P7将通过高性能三合一电驱系统、智能双电机四驱、全球领先方形电池组等领先配置,为用户带来越级性能体验。
图/文:EV君
原创文章,作者:cesifu,如若转载,请注明出处:http://www.cesifu.com/article/70065.html
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