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Comparison of efficiency measurement techniques for electric vehicle traction inverters

机译:电动车辆牵引逆变器效率测量技术的比较

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Performance evaluation of a high-resolution computer based efficiency measurement system for electric vehicle (EV) traction inverter is given. First, a simulation study is carried out to determine the upper limit of the EV traction inverter efficiency curve. Then, experimental efficiency measurements are completed. In the experimental study, a 30kVA induction machine-dynamometer system is used to obtain the loading between 1kW-8kW. Efficiency measurements are completed with both the YOKOGAWA WT500 power analyzer and the proposed computer based efficiency measurement system. Results are discussed and compared considering the accuracy and the cost.
机译:给出了电动车辆(EV)牵引逆变器的高分辨率计算机基于高分辨率电脑效率测量系统的性能评价。首先,进行仿真研究以确定EV牵引逆变器效率曲线的上限。然后,完成实验效率测量。在实验研究中,使用30kVA感应机测功机系统来获得1kW-8KW之间的负载。 yokogawa WT500功率分析仪和所提出的计算机的效率测量系统完成效率测量。考虑到准确性和成本,讨论并比较了结果。

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