人工模拟树状通道中PD脉冲序列和单脉冲光发射特性

1999 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.99CH36319) Pub Date : 1999-10-17 DOI:10.1109/CEIDP.1999.807877

H. Kaneiwa, Y. Suzuoki, T. Mizutani

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引用次数: 4

摘要

为了阐明电树中局部放电(PD)和树退化的机理，研究了连接LDPE引脚电极的人工模拟树通道中的局部放电(PD)。本文利用脉冲序列和单脉冲光发射，讨论了树形光从人工通道尖端传播时产生的脉冲光的特性。脉冲序列表明，大脉冲和小脉冲发生在半周期内。在半周期内，正脉冲的大小有规律地变化。当外加电压增加一个恒定值时，就会产生每一个PD正脉冲。电压增量与PD值无相关性。传统的简单PD模型不能解释这些结果。在树形传播的情况下，在人工通道中，在针脚电极尖端附近观察到单脉冲的光发射。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Characteristics of PD pulse sequence and single-pulse light emission in artificially-simulated tree channel

In order to clarify the mechanisms of partial discharge (PD) and tree degradation in an electrical tree, PD's in an artificially-simulated tree channel connected to a pin-electrode in LDPE were investigated. This paper discusses the characteristics of PD's which take place when a tree propagates from the tip of artificial channel by utilizing PD pulse sequence and single-pulse light emission. The PD pulse sequence showed that large and small PD's took place in a half cycle. The magnitude of positive PD pulses changed regularly in a half cycle. Each positive PD pulse took place when the applied voltage increased by a constant value. There was no correlation between the voltage increment and the PD magnitude. The conventional simple PD model can not explain these results. The light emission from a single PD pulse was observed near the tip of pin-electrode in the artificial channel in spite of the tree propagation.

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1999 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.99CH36319)

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