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Research on Vibration Monitoring on Ultra-voltage DC Wall Bushing
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Jin-yin ZHANG1, Xiao-dong CHEN2, Zhi-cheng XIE1, Chun-yan ZANG3, Ting-ting WANG2, Jie YU2, Song ZHANG3, Zhi LIU2
Water Resources and Power | 2023, 41(5) : 190 - 193
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Water Resources and Power | 2023, 41(5): 190-193
• ELECTRICAL ENGINEERING •
Research on Vibration Monitoring on Ultra-voltage DC Wall Bushing
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Jin-yin ZHANG1, Xiao-dong CHEN2, Zhi-cheng XIE1, Chun-yan ZANG3, Ting-ting WANG2, Jie YU2, Song ZHANG3, Zhi LIU2
Affiliations
  • 1.Overhaul Test Center of China Southern Power Grid Corporation EHV Transmission Company, Guangzhou 510663, China
  • 2.Xi’an XD High Voltage Bushing Co., Ltd., Xi’an 710077, China
  • 3.School of Electrical and Electronics Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Published: 2023-05-25 doi: 10.20040/j.cnki.1000-7709.2023.20221929
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UHV DC wall bushing is the neck-jamming technology of China’s power grid. At present, not only its core design and manufacturing technology still have many difficulties to be overcome, but also the state monitoring technology of its equipment operation is also a hot issue. This paper explores the application of an on-line monitoring technology based on vibration signals in UHV DC wall bushings. On the basis of analyzing the structure and common faults of UHV DC wall bushings, theoretical simulation research is carried out. It is found that when the outdoor insulation or inner insulation of the UHV DC wall bushing is damaged, the fundamental characteristic frequency of the bushing changes significantly. Afterwards, this paper carried out fault simulation and vibration tests on the cracking of capacitor core and the rupture of silicone rubber shed of the 800 kV UHV DC wall bushing. The results show that the fundamental characteristic frequencies of the bushing under different fault conditions are quite different. Therefore, the use of vibration monitoring technology can effectively identify the faults of UHV DC wall bushings, which can provide technical reference for UHV engineering construction and operation and maintenance personnel.

UHV DC wall bushing  /  outdoor insulation  /  inner insulation  /  vibration method  /  characteristic frequency
Jin-yin ZHANG, Xiao-dong CHEN, Zhi-cheng XIE, Chun-yan ZANG, Ting-ting WANG, Jie YU, Song ZHANG, Zhi LIU. Research on Vibration Monitoring on Ultra-voltage DC Wall Bushing[J]. Water Resources and Power, 2023 , 41 (5) : 190 -193 . DOI: 10.20040/j.cnki.1000-7709.2023.20221929
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20221929
  • Receive Date：2022-09-16
  • Online Date：2026-01-28
  • Published：2023-05-25
Article Data
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History
  • Received：2022-09-16
  • Revised：2022-12-12
Affiliations
    1.Overhaul Test Center of China Southern Power Grid Corporation EHV Transmission Company, Guangzhou 510663, China
    2.Xi’an XD High Voltage Bushing Co., Ltd., Xi’an 710077, China
    3.School of Electrical and Electronics Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
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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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