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Design of a transverse-flux permanent-magnet linear generator and controller for use with a free-piston stirling engine

  • Fluid and Power Machinery
  • Published:
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Abstract

Transverse-flux with high efficiency has been applied in Stirling engine and permanent magnet synchronous linear generator system, however it is restricted for large application because of low and complex process. A novel type of cylindrical, non-overlapping, transverse-flux, and permanent-magnet linear motor(TFPLM) is investigated, furthermore, a high power factor and less process complexity structure research is developed. The impact of magnetic leakage factor on power factor is discussed, by using the Finite Element Analysis(FEA) model of stirling engine and TFPLM, an optimization method for electro-magnetic design of TFPLM is proposed based on magnetic leakage factor. The relation between power factor and structure parameter is investigated, and a structure parameter optimization method is proposed taking power factor maximum as a goal. At last, the test bench is founded, starting experimental and generating experimental are performed, and a good agreement of simulation and experimental is achieved. The power factor is improved and the process complexity is decreased. This research provides the instruction to design high-power factor permanent-magnet linear generator.

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Authors and Affiliations

  1. Electrical Engineering & Automation Department, Harbin Institute of Technology, Harbin, 150001, China

    Jigui Zheng, Hongxing Wu & Ping Zheng

  2. Beijing Research Institute of Precise Mechatronic Controls, Beijing, 100076, China

    Jigui Zheng & Yuping Huang

Authors
  1. Jigui Zheng
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  2. Yuping Huang
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  3. Hongxing Wu
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  4. Ping Zheng
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Corresponding author

Correspondence to Jigui Zheng.

Additional information

Supported by National Natural Science Foundation of China(Grant No. 50877013)

ZHENG Jigui, male, born in 1979, is currently a doctoral candidate at Electrical Engineering & Automation Department, Harbin Institute of Technology, Harbin, China. His research interests include designing of complex electromechanical control system and the drive transmission and actuation of Servo.

HUANG Yuping, born in 1967, is currently a general researcher at Beijing Research Institute of Precise Mechatronic Controls, China. His research interests include complex electromechanical control system, making breakthrough on some of the key and core technologies.

WU Hongxing, male, born in 1975, is currently an professor at Harbin Institute of Technology, China. His research interests include permanent electric machines and control, switched reluctance motor and control, and unconventional electromagnetic devices.

ZHENG Ping, femal, born in 1962, is currently an professor at Harbin Institute of Technology, China. His research interests include electric machines and control, hybrid electric vehicles, and unconventional electromagnetic devices.

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Zheng, J., Huang, Y., Wu, H. et al. Design of a transverse-flux permanent-magnet linear generator and controller for use with a free-piston stirling engine. Chin. J. Mech. Eng. 29, 832–842 (2016). https://doi.org/10.3901/CJME.2016.0429.063

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  • DOI: https://doi.org/10.3901/CJME.2016.0429.063

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