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高压电器  2015 

超、特高压直流耐张串复合绝缘子运行性能研究

DOI: DOI:10.13296/j.1001-1609.hva.2015.08.004, PP. 24-28

Keywords: 复合绝缘子,特高压,耐张串,运行,电气性能,机械性能

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Abstract:

复合绝缘子由于其优异的耐污闪性能和良好的技术经济性而越来越多地应用在特高压直流输电线路中。为分析超、特高压直流耐张串复合绝缘子的运行性能,从而为实验室评价现场运行耐张串复合绝缘子的特性和状态提供指导,对8支超、特高压直流线路耐张串复合绝缘子进行了研究,主要包括憎水性测试、水煮及陡波试验、工频电压试验、密封性能试验、机械破坏性试验等。研究结果表明,在超、特高压直流线路已经挂网运行的耐张串复合绝缘子的憎水性能、电气性能和机械性能仍均良好;复合绝缘子可以应用于耐张串上。同时,对今后耐张串复合绝缘子的设计及运行提出建议。

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