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Eddy Current Damping Suppression of Long Primary Linear Synchronous Motor
ID：30 View Protection：PUBLIC Updated Time：2021-06-22 09:12:22 Hits：1472 Poster Presentation

Start Time：2021-07-02 16:02（Asia/Shanghai）

Duration：1min

Session：SP Poster Session » P3Poster Session 5 & 6

Presentation File
Abstract
Eddy current is generated by time-varying current in the armature and the back EMF causing by moving magnets in the cooling plate. It produces a damping force influencing the motor’s dynamic characteristic. In this paper, a new method is introduced to suppress eddy current by offsetting back EMF. The correction of the method and effect of eddy current suppression is proved by simulation: 95% reduction in the damping force significantly help with reducing the thrust fluctuation. The new cooling plate is designed into a unit module, and it can combine with others to make cooling plates of different lengths.
Keywords
Eddy current， Long primary， cooling plate
Speaker
Mingyi Wang
School of Electrical Engineering and Automation Harbin Institute of Technology

Submission Author
Mingyi Wang School of Electrical Engineering and Automation Harbin Institute of Technology
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Important Date

  • Conference Date

    Jul 01

    2021

    to

    Jul 04

    2021

  • Jul 03 2021

    Contribution Submission Deadline

  • Nov 03 2021

    Registration deadline

Sponsored By
Huazhong University of Science and Technology, China
Supported By
University of Sydney, Australia
Southwest Jiaotong University, China
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