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电动汽车电机驱动系统寿命模型研究 被引量:2

Lifetime Model Research of Motor Drive System for Electric Vehicles
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摘要 从系统所受热应力出发,分析系统寿命影响因素,提出了一种以电机驱动系统运行工况和电机输出扭矩为输入,建立电动汽车电机驱动系统寿命模型的新方法。利用该方法建立了100/160kW纯电动大客车用电机驱动系统寿命模型。以北京公交121路车的工况为例,利用建立的寿命模型预计系统寿命,其预计结果和"八六三"项目规定的预期目标接近。 The new method to establish the lifetime model of motor drive systeml. The power losses of each key component under operation are calculated by using the inverter and motor loss model. The lifetime of the system is estimated based on the key components thermal stress. As an example, the lifetime of a 160kW induction motor drive system is estimated.
出处 《电机与控制应用》 北大核心 2007年第12期1-5,32,共6页 Electric machines & control application
基金 "八六三"高技术研究发展计划项目(2005AA501740)
关键词 电动汽车 电机驱动系统 可靠性模型 寿命模型 electric vehicle motor drive system reliability model lifetime model
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参考文献7

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