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工频交流电晕放电下SF6气体分解物形成的影响因素

, PP. 219-225

Keywords: 六氟化硫,电晕放电,SF6气体分解物,色谱-质谱法

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Abstract:

六氟化硫(SF6)作为一种理想的绝缘和灭弧气体广泛应用于气体绝缘电力设备。以往的研究和运行经验表明SF6气体分解物与电力设备的绝缘状态有密切的关联。因此,分析SF6气体分解物是监测气体绝缘电力设备绝缘状态的有效手段之一。本文用针-板电极模型模拟SF6气体中的工频交流电晕放电,以色谱-质谱法作为检测手段,研究不同影响因素下工频交流电晕放电中SF6气体分解组分的形成规律,如持续施加电压、放电时间、气体压力、电极间距等,分析影响因素对SF6气体分解物形成的作用规律。

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