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Mechanical Impact Damage Study on Insulating Material of Stator Bar
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Ju FENG1, Bo HU2, Yue ZHANG2, Hanxue CAO3, Jun CHEN1, Sude MA1
Insulating Materials | 2021, 54(8) : 89 - 93
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Insulating Materials | 2021, 54(8): 89-93
• Test and Analysis •
Mechanical Impact Damage Study on Insulating Material of Stator Bar
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Ju FENG1, Bo HU2, Yue ZHANG2, Hanxue CAO3, Jun CHEN1, Sude MA1
Affiliations
  • 1School of Materials Science and Engineering, Xihua University, Chengdu 610039, China
  • 2Dongfang Electric Machinery Co., Ltd., Deyang 618000, China
  • 3College of Materials Science and Engineering, Chongqing University, Chongqing 400045, China
Published: 2021-08-20 doi: 10.16790/j.cnki.1009-9239.im.2021.08.014
Outline
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Mechanical impact is an important factor that damages the stator bar insulation material. At present, systematic researches on the damage of stator bar insulation materials by mechanical impact are still lack. In this paper, the effect of mechanical impact on the stator bar insulation material was studied by combining the finite element simulation and experiment. The results show that when the insulating material is subject to mechanical impact, the average equivalent stress-strain and electric strength firstly increase or decrease, and then become stable within a certain impact strength range under the same punch structure. Under the same impact strength, both the average equivalent stress-strain and electric strength increase with the increase of the tip area of punch head. The correlation between the average equivalent stress-strain and the electric strength can be used to evaluate the insulation damage of stator bar caused by mechanical impact.

stator insulation  /  simulation  /  mechanical impact  /  electric strength
Ju FENG, Bo HU, Yue ZHANG, Hanxue CAO, Jun CHEN, Sude MA. Mechanical Impact Damage Study on Insulating Material of Stator Bar[J]. Insulating Materials, 2021 , 54 (8) : 89 -93 . DOI: 10.16790/j.cnki.1009-9239.im.2021.08.014
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2021.08.014
  • Receive Date：2020-09-21
  • Online Date：2026-03-20
  • Published：2021-08-20
Article Data
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History
  • Received：2020-09-21
  • Revised：2020-11-11
Funding
Affiliations
    1School of Materials Science and Engineering, Xihua University, Chengdu 610039, China
    2Dongfang Electric Machinery Co., Ltd., Deyang 618000, China
    3College of Materials Science and Engineering, Chongqing University, Chongqing 400045, 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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Percentage of
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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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