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Research on Calculation of Iron Losses of In-wheel Motor for Special Vehicle
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Hao LIU, Xuelei WU, Hongbiao LI, Jinyang BAI, Ran ZHANG
Missiles and Space Vehicles | 2024, 47(5) : 75 - 80
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Missiles and Space Vehicles | 2024, 47(5): 75-80
• Launch Support •
Research on Calculation of Iron Losses of In-wheel Motor for Special Vehicle
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Hao LIU, Xuelei WU, Hongbiao LI, Jinyang BAI, Ran ZHANG
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  • Beijing Institute of Space Launch Technology,Beijing,100076
Published: 2024-10-25 doi: 10.7654/j.issn.2097-1974.20240511
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Iron loss occupies a large proportion of the losses of in-wheel motor for special vehicle, which directly affects the efficiency and temperature rise of the drive system. In order to accurately calculate the iron loss, time-stepping finite element analysis is adopted to analyze the flux density waveforms at different regions of the stator core by taking the in-wheel motor with rated power of ${70}\mathrm{\;{kW}}$ for example. Harmonic analysis of radial and tangential flux density waveforms at different regions of the stator core is carried out. The impact of rotating magnetic field and harmonic component on the stator iron loss is further studied. Three different iron loss calculation methods are adopted to calculate the stator iron loss after the flux density waveforms and harmonic analysis are carried out. The stator iron loss values separated from the efficiency and loss test of the in-wheel motor are compared with the calculation values of different calculation methods. The results show that the calculation method in consideration of the effect of rotating magnetic field and harmonic component has the highest accuracy and its calculation result is the closest to the test result, which verifies the validity of the calculation method.

special vehicle  /  in-wheel motor  /  time-stepping finite element analysis  /  iron loss  /  rotating magnetic field
Hao LIU, Xuelei WU, Hongbiao LI, Jinyang BAI, Ran ZHANG. Research on Calculation of Iron Losses of In-wheel Motor for Special Vehicle[J]. Missiles and Space Vehicles, 2024 , 47 (5) : 75 -80 . DOI: 10.7654/j.issn.2097-1974.20240511
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doi: 10.7654/j.issn.2097-1974.20240511
  • Receive Date：2021-05-13
  • Online Date：2025-07-04
  • Published：2024-10-25
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  • Received：2021-05-13
  • Revised：2021-07-08
Affiliations
    Beijing Institute of Space Launch Technology,Beijing,100076
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
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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