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Research on Sensorless Coasting Startup Strategy of Permanent Magnet Fan for Heat Pump Based on Current Resonant Tracking
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Yunquan Geng1, Zhiyuan He1, Zihui Wang1, Jianke Li2
Automobile Technology | 2023, (4) : 36 - 43
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Automobile Technology | 2023, (4): 36-43
Research on Sensorless Coasting Startup Strategy of Permanent Magnet Fan for Heat Pump Based on Current Resonant Tracking
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Yunquan Geng1, Zhiyuan He1, Zihui Wang1, Jianke Li2
Affiliations
  • 1 Zhejiang University of Science and Technology, Hangzhou 310023
  • 2 Taizhou Institute of Product Quality and Safety Inspection, Taizhou 318000
Published: 2023-04-24 doi: 10.19620/j.cnki.1000-3703.20211301
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For the transient current overloading when the permanent magnet fan for heat pump is powered down and resumed, this paper proposes a sensorless coasting startup strategy based on current resonant tracking control. Utilizing the current suppression control method and the quasi-resonant tracking method, a two-stage starting process was designed including the current-loop suppression tracking and the speed-loop synchronous recovery for motor free coasting condition, to quickly resume the current-speed closed-loop vector control and make the start smooth. The simulation and the testing results showed that in the medium and high-speed coasting, the proposed starting strategy can effectively reduce the steady-state error of the current and improve its dynamic response, and improve the estimation accuracy of the sensorless algorithm for the current tracking process, so as to enhance the smoothness and reliability of the coasting starting process.

Heat pump permanent magnet fan  /  Sensorless coasting startup strategy  /  Current suppression control  /  Quasi-resonant tracking
Yunquan Geng, Zhiyuan He, Zihui Wang, Jianke Li. Research on Sensorless Coasting Startup Strategy of Permanent Magnet Fan for Heat Pump Based on Current Resonant Tracking[J]. Automobile Technology, 2023 , (4) : 36 -43 . DOI: 10.19620/j.cnki.1000-3703.20211301
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doi: 10.19620/j.cnki.1000-3703.20211301
  • Online Date：2025-12-07
  • Published：2023-04-24
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  • Revised：2021-12-28
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    1 Zhejiang University of Science and Technology, Hangzhou 310023
    2 Taizhou Institute of Product Quality and Safety Inspection, Taizhou 318000
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多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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