基于电弧特性的特高压输电线路单相自适应重合闸

Relay(2007)

Cited 5|Views1
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Abstract
提出了一种基于电弧特性的特高压线路单相自适应重合闸方案。通过EMTP-ATP软件中的MODELS模块建立二次电弧模型,模拟了瞬时故障时二次电弧的反复燃烧-熄灭-重燃的过程。利用数学形态学的多分辨形态学梯度提取故障相母线电压信号的暂态分量,通过比较故障相母线电压谱能量的差异来判别瞬时性与永久性故障。EMTP仿真数据都证明该方案能准确地区分故障类型,可靠地实现自适应重合闸。
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Key words
mathematic morphological,electromagnetic transients program simulation,multi-resolution morphological gradient,single-phase self-adaptive reclosure,identification of transient fault from permernant fault,the secondary arc
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