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基于COMSOL的混合动力汽车ISG电机瞬态温度场分析

, PP. 176-181

Keywords: 汽车工程,混合动力汽车,计算机仿真,ISG电机,瞬态温度场,COMSOL

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Abstract:

？为了分析ISG电机在混合动力汽车不同工作模式下的工作状态、发热情况以及冷却风速对电机温度场的影响,建立了ISG电机整体结构三维模型,给出了ISG电机边界条件,运用COMSOL软件在电机额定状态和峰值状态下对电机三维瞬态温度场进行了仿真计算,将仿真结果与电机温度试验数据进行对比,并在电机额定状态下对不同冷却风速下电机温度场进行了仿真计算。研究结果表明:电机最高温度出现在电机定子线圈上面;仿真数据和试验数据的一致性验证了该模型及其仿真计算方法的正确性;冷却风速对ISG电机温度场分布趋势影响不大,对ISG电机最高温度影响较大。

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