Optimal system efficiency operation of dual PMSM motor drive for fuel cell vehicles propulsion

2009 IEEE 6th International Power Electronics and Motion Control Conference Pub Date : 2009-05-17 DOI:10.1109/IPEMC.2009.5157704

Zhang Jian, W. Xuhui, Zeng Lili

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引用次数: 16

Abstract

Electric Vehicles (EVs) develop rapidly with the concerns of gas emission and energy crisis. Electric Motors, those are used for EV propulsion must have high efficiency for maximum utilization of the energy from batteries and/or fuel cells. This paper aims to address how to achieve the optimal system efficiency of multi-motor drive system, which has not been addressed previously. Based on the measurement or estimation of the real-time load condition and the efficiency optimization strategy, Digital signal processor (DSP) coordinates the work between the two motors and setts reasonable working mode of the inverter, and then improves the overall efficiency of the propulsion system notably. Fault-tolerant strategy base on the master-slave motor concept is also discussed to ensure the reliability of the system both under health and various faulty conditions. The paper presents the details of the experimental setup and measurement for the improvement of the system efficiency. Data obtained from this study will provide the preliminary understanding on how to achieve the optimal efficiency of multi-motor drive system.

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双永磁同步电机驱动燃料电池汽车推进系统效率优化运行

随着人们对气体排放和能源危机的担忧，电动汽车迅速发展。用于电动汽车推进的电动机必须具有高效率，以最大限度地利用电池和/或燃料电池的能量。本文旨在解决如何实现多电机驱动系统的最优系统效率，这是以前没有解决的问题。数字信号处理器(DSP)基于实时负载状态的测量或估计和效率优化策略，协调两台电机之间的工作，设置合理的逆变器工作模式，从而显著提高推进系统的整体效率。讨论了基于主从电机概念的容错策略，以保证系统在健康和各种故障条件下的可靠性。为了提高系统效率，本文详细介绍了实验设置和测量方法。本研究所得的数据将为如何实现多电机驱动系统的最佳效率提供初步的认识。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2009 IEEE 6th International Power Electronics and Motion Control Conference

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