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330 kV GIS隔离开关操作过程中电磁干扰单脉冲波形特征规律研究
Study on the Characteristics of Electromagnetic Interference Single Pulse Waveform During the Operation of 330 kV GIS Disconnector
- 高压电器 2025年 页码：1-12
- 作者机构：
1.三峡大学电气与新能源学院，湖北 宜昌， 443002
2.智慧能源技术湖北省工程研究中心，湖北 宜昌 443002
3.华中科技大学电气与电子工程学院，武汉 430074
4.中国电力科学研究院有限公司，武汉 430074
- 作者简介：
梅冰玉（1999—），女，硕士研究生，研究方向为隔离开关操作时电磁干扰分析（E-mail：1286761945@qq.com）。
李振华（1986—），男，博士，教授，博士生导师，研究方向为数字化变电站状态监测、电磁兼容等（E-mail：lizhenhua1993@163.com）。
李振兴（1977—），男，博士，教授，博士生导师，研究方向为电力系统继电保护与安全稳定控制（E-mail：Lzx2007001@163.com）。
- 基金信息：国家自然科学基金(52277012);武汉强磁场学科交叉基金资助(WHMFC202202)
DOI：
中图分类号：-
纸质出版日期：
- 稿件说明：
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梅冰玉, 李振华, 李振兴, 等. 330 kV GIS隔离开关操作过程中电磁干扰单脉冲波形特征规律研究[J/OL]. 高压电器, 2025,1-12.
MEI Bingyu, LI Zhenhua, LI Zhenxing, et al. Study on the Characteristics of Electromagnetic Interference Single Pulse Waveform During the Operation of 330 kV GIS Disconnector[J/OL]. High voltage apparatus, 2025, 1-12.
梅冰玉, 李振华, 李振兴, 等. 330 kV GIS隔离开关操作过程中电磁干扰单脉冲波形特征规律研究[J/OL]. 高压电器, 2025,1-12. DOI：
MEI Bingyu, LI Zhenhua, LI Zhenxing, et al. Study on the Characteristics of Electromagnetic Interference Single Pulse Waveform During the Operation of 330 kV GIS Disconnector[J/OL]. High voltage apparatus, 2025, 1-12. DOI：
摘要
气体绝缘开关设备中隔离开关操作产生的特快速暂态过电压是威胁二次设备安全运行的重要因素。为掌握VFTO特征分布规律，文中按照实际线路参数搭建330 kV GIS隔离开关模拟干扰源试验系统，模拟现场GIS隔离开关分合操作时产生的电磁干扰过程，通过核密度估计法对提取的VFTO单脉冲波形特征数据进行了全面的统计分析。结果表明，合、分闸时单脉冲的最大峰值分布呈3峰分布，最大峰值分别分布在[25.98，294.49] kV、[33.08，305.91] kV；合、分闸时的单脉冲的持续时间分布分别呈2峰分布和3峰分布，持续时间一般为十几微秒；合、分闸时单脉冲的上升时间分布呈单峰分布，合闸时上升时间比分闸时短；合、分闸单脉冲的间隔时间呈单峰分布，分合闸时的间隔时间基本一致。研究结果可为变电站二次设备的安全运行、相关标准的制定以及电磁防护提供参考。
Abstract
The very fast transient overvoltage generated by the operation of disconnector in gas insulated switchgear is an important factor threatening the safe operation of secondary equipment. In order to grasp the distribution law of VFTO characteristics
a 330 kV GIS disconnector simulation interference source test system is built according to the actual line parameters
and the electromagnetic interference process generated during the on-site GIS disconnector switching operation is simulated. The extracted VFTO single pulse waveform characteristic data are comprehensively analyzed by kernel density estimation method. The results show that the maximum peak distribution of single pulse during closing and opening is three-peak distribution
and the maximum peaks are distributed at [25.98
294.49] kV and [33.08
305.91] kV
respectively. The duration distribution of single pulse at closing and opening is 2-peak distribution and 3-peak distribution respectively
and the duration is generally more than ten microseconds. The rise time distribution of single pulse during closing and opening shows a single peak distribution
and the rise time during closing is shorter than that during opening. The interval time of closing and opening single pulse is unimodal distribution
and the interval time of opening and closing is basically the same. The research results can provide reference for the safe operation of substation secondary equipment
the formulation of relevant standards and electromagnetic protection.
关键词
Keywords
references
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