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Interface Test Unit of Orthogonal Electric Field for Interface Partial Discharge Research
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Yuan GUI1, Zhihui WANG1, Xingquan XU1, Zhiyong WANG1, Guangyao MA1, Ruoxi LIU1, Zerui LI2
Insulating Materials | 2021, 54(4) : 72 - 77
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Insulating Materials | 2021, 54(4): 72-77
• Test and Analysis •
Interface Test Unit of Orthogonal Electric Field for Interface Partial Discharge Research
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Yuan GUI1, Zhihui WANG1, Xingquan XU1, Zhiyong WANG1, Guangyao MA1, Ruoxi LIU1, Zerui LI2
Affiliations
  • 1State Grid Beijing Electric Power Company, Beijing 100075, China
  • 2College of Electrical Engineering, Sichuan University, Chengdu 610065, China
Published: 2021-04-20 doi: 10.16790/j.cnki.1009-9239.im.2021.04.012
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Partial discharge (PD) caused by interface defects is one of the main causes of interface breakdown, but the initiation and evolution of interface PD of cable accessories is not clear now. In this paper, the electric field distribution of actual cable accessory interface was simulated and analyzed. According to the calculation results of electric field, an interface test unit was designed and manufactured using the built-in electrode method, and then the test unit were conducted partial discharge initiation experiments. The results show that the electric field distribution of the interface test unit is similar to that of the actual cable accessory interface, and the PD development law obtained by the interface test unit is the same to that of the actual cable accessory interface. The interface test unit can effectively simulate the electric field of actual cable accessory interface, and at the same time, the introduction of metal electrodes were avoided into the test interface. It is concluded that the test unit can be used to study the initiation and evolution of PD at the cable accessory interface.

cable accessory  /  cross-linked polyethylene  /  interface test unit  /  partial discharge
Yuan GUI, Zhihui WANG, Xingquan XU, Zhiyong WANG, Guangyao MA, Ruoxi LIU, Zerui LI. Interface Test Unit of Orthogonal Electric Field for Interface Partial Discharge Research[J]. Insulating Materials, 2021 , 54 (4) : 72 -77 . DOI: 10.16790/j.cnki.1009-9239.im.2021.04.012
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2021.04.012
  • Receive Date：2020-06-05
  • Online Date：2026-01-26
  • Published：2021-04-20
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  • Received：2020-06-05
  • Revised：2020-07-22
Funding
Affiliations
    1State Grid Beijing Electric Power Company, Beijing 100075, China
    2College of Electrical Engineering, Sichuan University, Chengdu 610065, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2021.04.012
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表12种不同金属材料的力学参数
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Family		 属数
Number of
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Number 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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