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带电作业中电位转移能量对人身安全的影响

DOI: 10.13336/j.1003-6520.hve.2015.10.040, PP. 3479-3483

Keywords: 带电作业,电位转移,导电手套,暂态能量,电位转移棒,安全防护

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Abstract:

为了保护带电作业人员的安全,计算分析了≥750kV交流电压等级线路和±660kV、±800kV直流线路电位转移过程中的暂态能量,并开展了导电手套放电试验研究。理论和试验研究结果表明,当放电系统能量为1.37J时,放电电弧的根部直接作用在导电手套上,将导电手套烧蚀,对作业人员产生伤害。考虑实际作业安全裕度,在规定的电位转移距离下,≥750kV交流线路和±660kV、±800kV直流线路电位转移的暂态能量>1.0J时,需使用电位转移棒进行电位转移,确保电位转移人员的安全。

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