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发明公开
CN102928747A 一种变电站管母相间带电作业最低放电位置的确定方法 有权

一种变电站管母相间带电作业最低放电位置的确定方法
摘要：
本发明涉及一种变电站管母相间带电作业最低放电位置的确定方法，包括下述步骤：A、对变电站管母相间带电作业进行相间操作冲击试验；B、确定所述变电站管母相间带电作业的操作冲击放电特性曲线；C、确定变电站管母相间带电作业最小组合间隙的最低放电位置。针对110kV、220kV变电站管母相间带电作业的实际作业工况，模拟真型试验布置，通过真型试验研究得到变电站管母相间带电作业的操作冲击放电特性曲线，从而确定110kV、220kV变电站管母相间带电作业最小组合间隙的最低放电位置。为变电站管母相间带电作业的最小组合间隙的确定提供试验支撑和理论依据，保证带电检修作业安全开展。
摘要（英）：

The invention relates to a determination method for lowest discharge position of inter-phase live working of a transformer substation pipe bus, which comprises the following steps of: A, performing inter-phase operating impact test of inter-phase live working of the transformer substation pipe bus; B, determining an operating impact discharge characteristic curve of inter-phase live working of the transformer substation pipe bus; and C, determining the lowest discharge position of a minimum combination gap of inter-phase live working of the transformer substation pipe bus. Aiming at an actual working condition of inter-phase live working of the transformer substation pipe bus of 110kV or 220kV, real-model test arrangement is simulated, the operating impact discharge characteristic curve of inter-phase live working of the transformer substation pipe bus is obtained by research of real-model test, so that the lowest discharge position of the minimum combination gap of inter-phase live working of the transformer substation pipe bus of 110kV or 220kV is determined. By the determination method, test support and theoretical basis are provided for determination of the minimum combination gap of inter-phase live working of the transformer substation pipe bus, and electrified maintenance is ensured to be safely developed.

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