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Effect of Technological Factors on Dielectric Loss Factor of Stator Insulation for Low-voltage Motor
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Guanfang LIU1, 2, Yan LIU1, 2, Ruijuan ZHENG1, 2, Binyin LI1, 2, Dapeng GUO1, 2
Insulating Materials | 2022, 55(4) : 89 - 93
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Insulating Materials | 2022, 55(4): 89-93
• Test and Analysis •
Effect of Technological Factors on Dielectric Loss Factor of Stator Insulation for Low-voltage Motor
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Guanfang LIU1, 2, Yan LIU1, 2, Ruijuan ZHENG1, 2, Binyin LI1, 2, Dapeng GUO1, 2
Affiliations
  • 1CRRC YongJi Electric Co., Ltd., Yongji 044502, China
  • 2Shanxi Key Laboratory of Traction Motor for Rail Transit, Yongji 044502, China
Published: 2022-04-20 doi: 10.16790/j.cnki.1009-9239.im.2022.04.013
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In order to analyze the technological factors affecting the dielectric loss factor of low-voltage forming winding motor stator, the influence rules of four factors including uneven core, oil contamination, insulation moisture, and insulation paint loss on the dielectric loss factor of stator and the corresponding disposal measures were studied. The results show that uneven core, oil contamination, and insulation paint loss lead to the increase of dielectric loss factor of the stator insulation, and the dielectric loss factor of the motor insulation increases significantly when the insulation gets damp. The rise of dielectric loss factor caused by insulation paint loss can be decreased by secondary impregnation.

low-voltage motor  /  dielectric loss factor  /  technological factors
Guanfang LIU, Yan LIU, Ruijuan ZHENG, Binyin LI, Dapeng GUO. Effect of Technological Factors on Dielectric Loss Factor of Stator Insulation for Low-voltage Motor[J]. Insulating Materials, 2022 , 55 (4) : 89 -93 . DOI: 10.16790/j.cnki.1009-9239.im.2022.04.013
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Year 2022 volume 55 Issue 4
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2022.04.013
  • Receive Date：2021-06-26
  • Online Date：2025-12-22
  • Published：2022-04-20
Article Data
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History
  • Received：2021-06-26
  • Revised：2021-07-26
Affiliations
    1CRRC YongJi Electric Co., Ltd., Yongji 044502, China
    2Shanxi Key Laboratory of Traction Motor for Rail Transit, Yongji 044502, China
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表12种不同金属材料的力学参数
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Number of
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Number of
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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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