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首页> 外文期刊>Mechatronics, IEEE/ASME Transactions on >Design of an Ultra-High-Speed Permanent-Magnet Motor for an Electric Turbocharger Considering Speed Response Characteristics
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Design of an Ultra-High-Speed Permanent-Magnet Motor for an Electric Turbocharger Considering Speed Response Characteristics

机译:考虑速度响应特性的电动涡轮增压器超高速永磁电动机设计

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摘要

This paper presents a design methodology and analysis for a 4-kW 150-krpm ultra-high-speed surface-mounted permanent-magnet synchronous motor (SPMSM) to electrically assist a turbocharger. The proposed design methodology is aimed at achieving a required torque and speed. In addition, this study seeks a fast-speed response as a design objective to eliminate turbo lag more effectively. First, an existing prototype that does not meet the target performance is presented. The loss for the prototype, which is difficult to obtain theoretically, is obtained experimentally and reflected in the design. The speed response characteristic of the machine is analyzed through the electromechanical undamped natural frequency and damping ratio. Design parameters such as the permanent-magnet (PM) grade, the turn number of coils, and the axial length of the motor are designed. The resulting improved motor achieves higher power density as well as faster speed response than the prototype. Experiments verified the effectiveness of the motor in the electrically assisted turbocharger. In system experiments with the turbocharger, the rising speed of the boost pressure is improved by 44.9% due to the designed motor.
机译:本文介绍了一种用于电辅助涡轮增压器的4 kW 150 krpm超高速表面安装永磁同步电动机(SPMSM)的设计方法和分析。提出的设计方法旨在实现所需的扭矩和速度。另外,本研究寻求快速响应作为设计目标,以更有效地消除涡轮滞后。首先,介绍了不符合目标性能的现有原型。原型的损失,从理论上很难获得,是通过实验获得的,并反映在设计中。通过机电无阻尼的固有频率和阻尼比来分析电机的速度响应特性。设计参数,例如永磁(PM)级,线圈匝数和电机的轴向长度。与原型机相比,改进后的电动机可实现更高的功率密度和更快的速度响应。实验证明了电动机在电动涡轮增压器中的有效性。在涡轮增压器的系统实验中,由于设计了电动机,增压压力的上升速度提高了44.9%。

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