NO. 689
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对新能源汽车整车节能技术进行了归纳，分析了电驱系统在不同工况条件下的能耗特征，阐述了电驱系统的性能参数对不同整车节能工况的影响。
对电驱系统的电气原理图进行了简单分析，提出了对系统能量回收过程的工作范围和转换效率都有着重要影响的电机漏感等技术参数。
利用课题设计的电机检测台架对具体的电机及其控制器产品进行试验，得出了不同转速和转矩条件下电驱系统的能量转换效率，分析了不同节能工况条件下电驱系统的典型效率值。
研究结果表明，基于不同整车工况的电驱系统综合能耗检测方法对降低新能源汽车能耗有着重要意义。
关键词: 新能源汽车电驱动系统; 能耗指标; 整车节能工况
Abstract: Aiming at the energy consumption of new energy vehicles，testing methods and the evaluation index of motor drive systems werestudied，and different evaluation indexes of motors and its controllers were proposed for new energy vehicles under different operating
condi_x0002_tions．
Based on the summary of energy saving technologies of new energy vehicles，energy consumption characteristics of motor drive system were analyzed and the influence on different energy saving condition of the parameters was described．
After a simple analysis of the electrical diagram of a electric motor system，parameters including with motor leakage value were important to the operating range and conversion effi_x0002_ciency of the sy
stem energy recovery mode．
The specific motor and its controller were tested by using the motor testing bench designed by the research group．
The experimental results indicate that typical efficiency value of motor drive system under different energy saving mode can be calculated by the energy conversion efficiency distribution map．
The research results indicate that the comprehensive energy consumption test method based on different vehicle conditions is of great significance to reduce the energy consumption of new energy vehicles．
Key words: mtor drive system in new energy vehicles; energy consumption indexes; vehicle energy saving mode
1、引言
2012 年国务院发布的《节能与新能源汽车产业发展规划
( 2012—2020 年) 》明确了到2020 年乘用车新车平均燃料消耗量降至百公里5.0 L 以下。
为了实现国务院提出的2020 年油耗目标，国家质检总局会不断修改并降低汽车的能耗标准。
汽车厂商必须相应发展新的汽车节能技术，特别是新能源汽车技术，增加新能源汽车的生产比重。汽车电机网
新能源汽车包含纯电动汽车、燃料电池汽车和混合动力汽车3 个主要产品类型，根据产品的结构和原理还存在很多细分类型。
但究其原理，不同新能源汽车相比传统内燃汽车的区别都是动力系统和能量储存介质的变化。
动力部分就是将电驱动系统介入或者取代原有的内燃机方案，而能量储存介质的设计主要是增加了动力电池和燃料电池两种可选方式。
电驱系统作为新能源汽车的动力系统的核心部件，国家质检总局已经出台了相关国家标准《电动汽车用电机及其控制器》( GB/T 18488.1—2006) 。
电机及控制器构成的电驱系统不仅对整车的纯电动续航里程数有着重要影响，而且关系到混动汽车燃油经济性的问题。
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