| 输电线路高频方向保护误动作原因分析 |
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| 引用本文： | 徐振. 输电线路高频方向保护误动作原因分析[J]. 安徽电力, 2011, 0(3) |
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| 作者姓名： | 徐振 |
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| 作者单位： | 淮南供电公司; |
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| 摘 要： | 高压输电线路均采用能瞬时切除全线故障的纵联保护,采用载波通道的高频方向保护在现场应用十分广泛。由于高频方向保护的重要性,它的误动作将产生严重的后果。通过一次输电线路高频方向保护的误动作故障,分析了闭锁式高频方向保护动作的原理、误动作的原因及防范措施。
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| 关 键 词： | 输电线路 高频保护 原理 误动原因 防范措施 |
Analysis of High-frequency Direction Protection Misoperation Cause |
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| Abstract: | High-voltage transmission lines are used to instantaneous removal of pilot protection fault line,using high-frequency carrier channel directional protection is widely used in the field.As the importance of protecting high-frequency direction,its malfunction have serious consequences.By one high-frequency direction by a transmission line failure malfunction protection,it analyses the principle of protection operation on blocking high-frequency direction,the causes of malfunction and preventive measures. |
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| Keywords: | transmission line high frequency protection principle malfunction causes preventive measures |
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