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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
刘冠芳, 刘嬿, 郑瑞娟, 李斌寅, 郭大鹏. 低压电机定子绝缘介质损耗因数的工艺因素影响研究. 绝缘材料, 2022 , 55 (4) : 89 -93 . DOI: 10.16790/j.cnki.1009-9239.im.2022.04.013
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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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2022.04.013
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Citations
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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