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基于模态分析的GIS盆式绝缘子带电检测技术

open access: yesGaoya dianqi
GIS盆式绝缘子表面污秽和裂纹等缺陷会使得其表面的闪络电压降低,严重危害电力网络的正常运行,因此盆式绝缘子状况检测研究对于保障电网安全运行具有重要意义。基于模态分析法,文中研制了盆式绝缘子状态带电检测系统,对盆式绝缘子表面污秽、裂纹缺陷开展试验研究。结果表明盆式绝缘子污秽缺陷会使得其模态传递函数幅值发生变化,且盆式绝缘子模态特性对于污秽质量的变化敏感;裂纹缺陷会使得盆式绝缘子模态传递函数极值点发生后移;表面污秽与表面裂纹缺陷共同作用下,模态传递函数的高频段2 000~4 000 Hz内幅值变化更剧烈 ...
李璐   +5 more
doaj  

[The guideline for the diagnosis and treatment of marginal zone lymphoma in China (2025)]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Hematological Oncology Committee of China Anti-Cancer Association   +5 more
europepmc   +1 more source

[Transcriptomic characteristics of cervical endplate cartilage in cervical spondylosis and effects of acupotomy on the FGF18/Akt axis with cervical spondylosis]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Liu F   +9 more
europepmc   +1 more source

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