Analysis of Time-domain Characteristic of Ultra-high Frequency Antenna Detecting Partial Discharge

HUANG Yanguang; LIU Yushun; TIAN Yan; LI Pengfei; QU Deyu; ZHOU Wenjun; YU Jianhui

doi:10.13296/j.1001-1609.hva.2017.10.010

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Analysis of Time-domain Characteristic of Ultra-high Frequency Antenna Detecting Partial Discharge

更新时间：2025-04-26

- Analysis of Time-domain Characteristic of Ultra-high Frequency Antenna Detecting Partial Discharge
- High VoltageApparatus Vol. 53, Issue 10, Pages: 56-60+67(2017)
- 作者机构：
  
  1. 广州供电局有限公司
  2. 武汉大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.10.010
  CLC： TM855
- Published：2017
- 稿件说明：
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[1]黄炎光,刘宇舜,田妍,李鹏飞,曲德宇,周文俊,喻剑辉.特高频天线的局部放电时域特性分析[J].高压电器,2017,53(10):56-60+67.

HUANG Yanguang, LIU Yushun, TIAN Yan, et al. Analysis of Time-domain Characteristic of Ultra-high Frequency Antenna Detecting Partial Discharge[J]. High voltageapparatus, 2017, 53(10): 56-60+67.
[1]黄炎光,刘宇舜,田妍,李鹏飞,曲德宇,周文俊,喻剑辉.特高频天线的局部放电时域特性分析[J].高压电器,2017,53(10):56-60+67. DOI： 10.13296/j.1001-1609.hva.2017.10.010.

HUANG Yanguang, LIU Yushun, TIAN Yan, et al. Analysis of Time-domain Characteristic of Ultra-high Frequency Antenna Detecting Partial Discharge[J]. High voltageapparatus, 2017, 53(10): 56-60+67. DOI： 10.13296/j.1001-1609.hva.2017.10.010.

摘要

局部放电时域信号的分析是判断放电类型和严重程度的重要手段

而目前普遍采用频域参数作为特高频（UHF）检测天线特性的评判标准

该方法无法评判天线时域上的脉冲响应特性。文中基于天线互易定理

建立了局部放电UHF天线时域特性测量系统

提出了基于振荡时间、相关系数和首波能量比3种参数的天线时域特性评价方法。对加脊喇叭天线、Vivaldi天线、微带天线和螺旋天线和4种典型超宽带UHF天线的时域特性进行测试

结果表明

加脊喇叭天线和Vivaldi天线具有较好的时域特性

能够最大程度的保留脉冲源信号的特征量。通过模拟局部放电试验验证各天线脉冲响应试验结果

表明加脊喇叭天线和Vivaldi天线适用于在局部放电检测。

Abstract

The analysis of time-domain signal is a significance method of pattern recognition and fault degree identification in partial discharge（PD）detection.Frequency domain parameter is usually used as the performance judgment standard of ultra-high frequency（UHF）detecting antenna.However

this method is unable to judge the impulse response characteristic of UHF antenna in the time-domain.The time-domain characteristics test system of PD UHF detecting antenna based on reciprocity theorem for antenna is built in this paper.Three time domain judgment parameter（oscillation time

correlation coefficient and energy of first waveform）for UHF detecting antenna is proposed in this paper.The time-domain characteristic of four representative ultra-wide band UHF antennas（the ridged horn antenna

the Vivaldi antenna

the micros-trip antenna and the spiral antenna and）has been tested.The results show that the ridged horn antenna and the Vivaldi antenna present the excellent time-domain characteristics and retain the characteristics of signal source maximally.The impulse response test results of four UHF detecting antenna are verified in simulation PD test.The results show that the ridged horn antenna and the Vivaldi antenna are appropriate for PD detecting.

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