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1. Replacement Scheme and Insulation Performance Analysis of Bushing on Network Dide of 800kV Converter Transformer NSTL国家科技图书文献中心

Wang Minkai |  Li Longfei... -  《2024 International Conference on HVDC,[v.1]》 -  International Conference on HVDC - 2024, - 443～446 - 共4页

摘要：Converter transformer is the key equipment in DC project, and the network-side bushing is the most critical component. In recent years, there have been many serious incidents in China, such as porcela...
关键词： Resistance |  Porcelain |  HVDC transmission |  Fuel storage |  Oil insulation |  Insulators |  Software |  Finite element analysis |  Performance analysis |  Power transformer insulation
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2. Analysis of Series Magnetic Connection Characteristics in Preventive Test of UHV Rheological Exchange NSTL国家科技图书文献中心

Han Xuefeng |  Li Longfei... -  《2024 International Conference on HVDC,[v.1]》 -  International Conference on HVDC - 2024, - 418～428 - 共11页

摘要：The UHV DC transmission project is an important way of trans-regional large-capacity power transmission in China, and it is of great significance to shorten the measurement time of DC resistance of gr...
关键词： Wiring |  Resistance |  Magnetic field measurement |  Windings |  Transformer cores |  Transformers |  Circuit faults |  Electrical resistance measurement |  Demagnetization |  Saturation magnetization
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3. Analysis on an UHV Converter Station AC Filter Circuit Breaker Phase Selection Closing Operation Risk NSTL国家科技图书文献中心

Zhang Fei |  Liu Lei... -  《The Proceedings of the 18th Annual Conference of China Electrotechnical Society, Vol. 4: 18th Annual Conference of China Electrotechnical Society, 15-17 September 2023, Nanchang, China》 -  Annual Conference of China Electrotechnical Society - 2024, - 126～136 - 共11页

摘要：The incoming line circuit breaker of AC filter group in converter station mainly relies on closing resistance or phase selection closing to suppress closing inrush current. The phase selection closing...
关键词： Closing Resistance |  Phase Selection Closing |  Closing Inrush Current |  Angle Deviation |  AC Filter |  Electrical Transient Stress |  External Insulation
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4. Study on the Influence of Different Degrees of Deterioration of Oil-Paper Insulation on Partial Discharge Characteristics NSTL国家科技图书文献中心

Li Longfei |  Wu Tianbo... -  《The proceedings of the 10th frontier academic forum of electrical engineering, Vol. 2, Set 2: 10th frontier academic forum of electrical engineering (FAFEE2022), August 2022, Xi an, China》 -  Frontier academic forum of electrical engineering - 2023, - 1077～1088 - 共12页

摘要：The experimental platform of partial discharge under AC/DC composite voltage is built, and the time-frequency characteristics, pulse waveform characteristics, spectrum characteristics, energy characte...
关键词： Partial discharge |  oil-paper insulation |  time-frequency characteristics |  spectrogram characteristics
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