Research on full condition and long-term performance assessment of UHVAC bushing

Yongsheng He; Shiling Zhang

doi:10.1117/12.2646795

7 September 2022 Research on full condition and long-term performance assessment of UHVAC bushing

Yongsheng He, Shiling Zhang

Proceedings Volume 12329, Third International Conference on Artificial Intelligence and Electromechanical Automation (AIEA 2022); 123293V (2022) https://doi.org/10.1117/12.2646795
Event: Third International Conference on Artificial Intelligence and Electromechanical Automation (AIEA 2022), 2022, Changsha, China

Abstract

Oil gas bushing is the sealed insulating part connecting two media (OIL and SF6). 1000kV oil and gas bushing is developed for the first time, and there is no relevant operation experience. It is very necessary to conduct long-term performance assessment and research under all working conditions (full voltage and full current) before it can be put into practical engineering application. The aging platform can meet the following functions at the same time: 1) it can effectively and fixedly install 1100kV UHV capacitive oil-gas bushing and oil-air bushing. 2) After the UHV bushing is installed to the aging platform for full voltage and full current operation, there will be no electric field distortion and partial discharge in the bushing capacitor core and the aging platform, so as to ensure its reasonable electric field structure design. Although the 1000kV ordinary oil air bushing independently developed has passed type test items specified in the standard, because its test can not truly reflect the reliability of its actual operation, it is also very necessary to carry out the long-term performance assessment research under all working conditions. Only in this way can the performance of 1000kV AC bushing (Oil-SF6, oil air) be comprehensively assessed, provide the strong support for the engineering application of 1000kV AC bushing, and provide basis for the real localization of 1000kV AC bushing.

Citation Download Citation

Yongsheng He and Shiling Zhang "Research on full condition and long-term performance assessment of UHVAC bushing", Proc. SPIE 12329, Third International Conference on Artificial Intelligence and Electromechanical Automation (AIEA 2022), 123293V (7 September 2022); https://doi.org/10.1117/12.2646795

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