[1]兰志军,范永强,岳永刚,等.基于纳秒脉冲电压的固体绝缘材料缺陷检测[J].高压电器,2020,56(03):122-127.[doi:10.13296/j.1001-1609.hva.2020.03.018]
 LAN Zhijun,FAN Yongqiang,YUE Yonggang,et al.Defect Detection of Solid Insulating Material Based on Nanosecond Pulse Voltage[J].High Voltage Apparatus,2020,56(03):122-127.[doi:10.13296/j.1001-1609.hva.2020.03.018]
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基于纳秒脉冲电压的固体绝缘材料缺陷检测()
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《高压电器》[ISSN:1001-1609/CN:61-11271/TM]

卷:
第56卷
期数:
2020年03期
页码:
122-127
栏目:
研究与分析
出版日期:
2020-03-15

文章信息/Info

Title:
Defect Detection of Solid Insulating Material Based on Nanosecond Pulse Voltage
作者:
兰志军1 范永强1 岳永刚1 张永鹏2 林天煜2 喻梦晗2 杨兰均2
(1. 内蒙古超高压供电局, 呼和浩特 010012; 2. 西安交通大学, 西安 710048)
Author(s):
LAN Zhijun1 FAN Yongqiang1 YUE Yonggang1 ZHANG Yongpeng2 LIN Tianyu2YU Menghan2 YANG Lanjun2
(1. Inner Mongolia Extra High Voltage Power Supply Corporation, Huhehaote 010012, China; 2. Xi’an Jiaotong University, Xi’an 710048, China)
关键词:
重复频率 纳秒脉冲电压 局部放电 放电次数 放电量 缺陷检测 机理研究
Keywords:
repetition frequency nanosecond pulse voltage partial discharge number of discharges discharge quantities defect detection mechanism study
DOI:
10.13296/j.1001-1609.hva.2020.03.018
摘要:
文中搭建了重复频率纳秒脉冲电压下局部放电检测平台,输出电压幅值30 kV、脉冲前沿100 ns,半高宽120 ns,重复频率最大10 kHz。在纳秒脉冲电压激励下,试品中的缺陷产生局部放电,局部放电的次数与所施加脉冲数一致,放电重复性好,放电量和局部放电起始电压易于统计,局部放电参量便于提取;连续脉冲下,可以通过试品放电量的变化过程来判断试品缺陷的发展情况。因此,纳秒脉冲电压可用于试品的绝缘缺陷检测,有助于开展固体绝缘材料在局部放电作用下破坏过程和机理的研究。
Abstract:
In this paper, a partial discharge detection platform with repeated frequency nanosecond pulse voltage is built. The amplitude of output voltage is 30 kV, the pulse front is 100 ns, the half-width is 120 ns, and the repetition frequency is 10 kHz. Under the excitation of nanosecond pulse voltage, defects of the test sample produce partial discharge. The number of partial discharge is consistent with the number of applied pulse. The repeatability of discharge is good. The discharge quantity and the initial discharge voltage are easy to be counted, the partial discharge parameters are easy to be extract. Under continuous pulse, the development of defective can be judged by the change process of the discharge quantities of the sample. Therefore, the nanosecond pulse voltage can be used to detect the insulation defect of the sample, and it is helpful to study the destruction process and mechanism of the solid insulating material under partial discharge.

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备注/Memo

备注/Memo:
收稿日期:2019-11-17; 修回日期:2020-01-19兰志军(1967—),男,高级工程师,硕士,主要研究方向为输变电设备管理。 范永强(1987—),男,工程师,硕士研究生,主要研究方向变电一次设备状态检修管理。 岳永刚(1979—),男,高级工程师,硕士研究生,主要研究方向为输变电一次设备故障诊断新技术、新方法、电力设备绝缘老化与寿命评估。
更新日期/Last Update: 2020-03-15