Volume 44 Issue 8
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CHENG Guodong, WANG Huaping, XIA Jingjing. Research on rotor-side frequency conversion speed regulation technology for high voltage wound-rotor motor[J]. Journal of Mine Automation, 2018, 44(8): 81-86. DOI: 10.13272/j.issn.1671-251x.17330
Citation: CHENG Guodong, WANG Huaping, XIA Jingjing. Research on rotor-side frequency conversion speed regulation technology for high voltage wound-rotor motor[J]. Journal of Mine Automation, 2018, 44(8): 81-86. DOI: 10.13272/j.issn.1671-251x.17330
shu

Research on rotor-side frequency conversion speed regulation technology for high voltage wound-rotor motor

  • 1.

    Xuhai College，China University of Mining and Technology，Xuzhou 221008，China

  • 2.

    CCTEG Changzhou Research Institute，Changzhou 213015，China

  • 3.

    Tiandi(Changzhou) Automation Co., Ltd., Changzhou 213015, China

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  • In view of problems of technical difficulties, high cost and high voltage requirements for power electronic components in current high voltage wound-rotor motor using stator-side high voltage inverter for frequency conversion speed regulation, a rotor-side frequency conversion speed regulation technology for high voltage wound-rotor motor was proposed. The technology transfered power transformation from stator side to rotor side taking advantage of low voltage level on rotor side, frequency conversion speed regulation of high voltage wound-rotor motor was realized through general frequency converter. Mathematical model of vector control system for rotor-side frequency conversion was deduced, and adaptive full-order state stator flux linkage observer was designed. Speed identification was realized according to stator flux linkage observation. Matlab simulation and experimental results verify the correctness and feasibility of rotor-side frequency conversion speed regulation technology.
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