潘海涛，孙磊，徐亚美

（潍柴动力股份有限公司 新能源动力系统工程部，山东 潍坊 261061）

      摘要：动力总成台架试验对研究混合动力汽车动力总成性能具有重要作用，本文设计的台架试验用的冷却系统，可以同时实现发动机、电机和测功机冷却一体化，可满足各自温度及流量需求，并制定了该系统的控制策略，该系统具有经济环保、安装操作简单等优点。

      关键词：混合动力汽车；动力总成；台架试验；冷却系统

Abstract：The bench test of a powertrain is important in the performance research of hybrid power vehicles. The cooling system can cool engines and electric motors and dynamometers at the same time and make them meet their requirement of the temperature and the flux. Its control strategy is designed . The cooling system is easy to operate with high economy and friendly environment.

 Keywords：Hybrid Power Vehicle; Powertrain; Bench Test; Cooling System