Research on Acoustic Emission Characteristics of Typical Insulation Defects in GIS Based on Photoacoustic Microphone

XIAO Hanyan; ZHAO Ke; LI Hongtao; ZHUANG Tianxin; YIN Ze; GAO Shan

doi:10.13296/j.1001-1609.hva.2026.10.004

您当前的位置：

首页 >

文章列表页 >

Research on Acoustic Emission Characteristics of Typical Insulation Defects in GIS Based on Photoacoustic Microphone

Research & Analysis | 更新时间：2026-10-14

- Research on Acoustic Emission Characteristics of Typical Insulation Defects in GIS Based on Photoacoustic Microphone
- High Voltage Apparatus Vol. 62, Issue 10, Pages: 32-40(2026)
- 作者机构：
  
  国网江苏省电力有限公司电力科学研究院，南京 211103
- 作者简介：
- 基金信息：
  
  State Grid Corporation of China(5500-202318169A-1-1-ZN)
- DOI：10.13296/j.1001-1609.hva.2026.10.004
  CLC：
- Received：16 April 2026，
  
  Revised：2026-06-12，
  
  Published：16 October 2026
- 稿件说明：
移动端阅览
XIAO Hanyan, ZHAO Ke, LI Hongtao, et al. Research on Acoustic Emission Characteristics of Typical Insulation Defects in GIS Based on Photoacoustic Microphone[J]. High Voltage Apparatus, 2026, 62(10): 32-40.
DOI：

XIAO Hanyan, ZHAO Ke, LI Hongtao, et al. Research on Acoustic Emission Characteristics of Typical Insulation Defects in GIS Based on Photoacoustic Microphone[J]. High Voltage Apparatus, 2026, 62(10): 32-40. DOI： 10.13296/j.1001-1609.hva.2026.10.004.

摘要

气体绝缘开关设备（gas insulated switchgear，GIS）中的各类绝缘缺陷是导致GIS绝缘劣化和故障的关键诱因。传统超声检测法受限于压电传感器响应频带及GIS外壳谐振特性，无法准确获取宽频带分布的局部放电信号，影响检测有效性。因此文中采用内置式宽频光声麦克风技术，获取金属尖刺、自由微粒、悬浮电位和环氧内部气隙等4种典型缺陷的宽频声发射特征。结果表明金属尖刺和自由微粒缺陷声信号呈簇状，持续时间较长且峰值频率较低，而悬浮电位和环氧内部气隙缺陷声信号呈脉冲状，持续时间短且峰值频率更高；绝缘缺陷声信号的峰值频率、幅值等与缺陷尺寸呈强相关关系，且采用等效时间和等效频率法能对4种缺陷声信号进行有效区分，为GIS/GIL绝缘缺陷的检测与诊断提供参考。

Abstract

Various insulation defects in gas insulated switchgear(GIS)are the primary cause of insulation performance deterioration and safety accidents. The conventional ultrasonic testing method

due to the limit of the response frequency band of the piezoelectric sensors and the resonance feature of the GIS enclosure

has no way to obtain accurately the broadband partial discharge signals

thereby affecting the detection effectiveness. In this paper

a built-in broadband photoacoustic microphone technology is employed to acquire the broadband acoustic emission signatures of such four typical defects as metal protrusions

free particles

floating potential

and internal air gaps in epoxy insulation. The results show that acoustic signals generated by metal tip defect and free particle defect are clustershaped

with a longer duration and a lower peak frequency

while that of floating potential defect and internal air gap in epoxy insulation is pulse-shaped

with a short duration and a higher peak frequency. The peak frequency and amplitude of insulation defect acoustic signals are strongly correlated with defect size. The use of equivalent time and equivalent frequency method can distinguish the four types of defect sound signals effectively. The research results can provide reference for the detection and diagnosis of GIS/GIL insulation defects.

关键词

Keywords

references

Anis H.Gas-insulated switchgear[M].Florida:CRC Press,2018:291-334.

Koch H,Goll F,Magier T,et al. Technical aspects of gas insulated transmission lines and application of new insulating gases[J].IEEE Transactions on Dielectrics and Electrical Insulation,2018,25(4):1448-1453.

冯英,武建文,王智,等.GIS多频振动信号产生机理及实验研究[J].中国电机工程学报,2024,44(19):7863-7877.

Feng Ying,Wu Jianwen,Wang Zhi,et al. Study on generation mechanism and experiment of GIS multi - frequency vibration signals[J].Proceedings of the CSEE,2024,44(19):7863-7877.

沈威,Bausch J,Koch H.气体绝缘开关设备(GIS)的运行连续性和模块设计对其运行、维护和扩建的影响[J].高压电器, 2021,57(1):136-142.

Shen Wei,Bausch J,Koch H. Influence of service continuity and module design of gas insulated switchgear(GIS) on its operation, maintenance and extension[J].High Voltage Apparatus,2021,57 (1):136-142.

尉元龙,何柏娜,崔荣喜,等.金属微粒对直流GIL盆式绝缘子电场的影响[J].电力工程技术,2025,44(5):198-207.

Wei Yuanlong,He Baina,Cui Rongxi,et al. Effect of metal particles on the electric field in DC GIL basin insulator[J].Electric Power Engineering Technology,2025,44(5):198-207.

张欣,李高扬,黄荣辉,等.不同运行年限的GIS缺陷率统计分析与运维建议[J].高压电器,2016,52(3):184-188.

Zhang Xin,Li Gaoyang,Huang Ronghui,et al. Statistical analysis of defects and maintenance advice for GIS in different operating years above 110 kV[J].High Voltage Apparatus,2016,52(3):184-188.

段大鹏,王彦卿,江阳,等.SF 6 气体绝缘开关设备典型绝缘缺陷的局部放电发展规律及诊断方法研究[J ] .电测与仪表, 2017,54(8):114-122.

Duan Dapeng,Wang Yanqing,Jiang Yang,et al. PD development law and diagnostic methods of typical insulation defects in SF 6 gasinsulated switchgear[J ] .Electrical Measurement & Instrumentation,2017,54(8):114-122.

Schichler U,Koltunowicz W,Endo F,et al. Risk assessment on defects in GIS based on PD diagnostics[J].IEEE Transactions on Dielectrics and Electrical Insulation,2013,20(6):2165-2172.

许渊,刘卫东,陈维江,等.GIS绝缘子局部放电高灵敏测量方法及应用[J].中国电机工程学报,2020,40(5):1703-1712.

Xu Yuan,Liu Weidong,Chen Weijiang,et al. High-sensitivity measurement method and application of GIS spacer partial discharge[J].Proceedings of the CSEE,2020,40(5):1703-1712.

王路伽,房春旭,杨海涛,等.基于S11和S21互比对的GIS局部放电特高频传感器校验仿真[J].电力工程技术,2026,45(3):28-36.

Wang Lujia,Fang Chunxu,Yang Haitao,et al. Simulation of GIS partial discharge UHF sensor verification based on S11 and S21 cross - comparison[J].Electric Power Engineering Technology, 2026,45(3):28-36.

周电波,许本茂,张劲,等.GIS固体绝缘缺陷所激发特高频信号时频特征研究[J].高压电器,2021,57(2):33-41.

Zhou Dianbo,Xu Benmao,Zhang Jin,et al. Study on timefrequency characteristics of UHF signals excited by solid insulation defects inGIS[J].High Voltage Apparatus,2021,57(2):33-41.

Jiang Jun,Chen Judong,Li Jiansheng,et al. Propagation and localisation of partial discharge in transformer bushing based on ultra-high frequency technique[J].High Voltage ,2021 ,6(4) :684-692.

张晓星,唐俊忠,唐炬,等. GIS中典型局放缺陷的UHF信号与放电量的相关分析[J].高电压技术,2012,38(1):59-65.

Zhang Xiaoxing,Tang Junzhong,Tang Ju,et al. Relationship between UHF signals and discharge magnitude from typical partial discharge defects inGIS[J].High Voltage Engineering,2012,38 (1):59-65.

董冰冰,李秉华,李建生.油纸绝缘缺陷多源局放超声混合脉冲识别方法[J].电力工程技术,2025,44(5):176-187.

Dong Bingbing,Li Binghua,Li Jiansheng. Multi-source partial discharge ultrasonic hybrid pulse identification method for oilpaper insulation defects[J].Electric Power Engineering Technology,2025,44(5):176-187.

霍天,吴振升,桂俊峰.高压开关柜局部放电声—电联合定位方法研究[J].电力工程技术,2017,36(3):62-66.

Huo Tian,Wu Zhensheng,Gui Junfeng. Acoustic-electric joint localization method of PD in high voltage switch cabinet[J].Electric Power Engineering Technology,2017,36(3):62-66.

李军浩,韩旭涛,刘泽辉,等.电气设备局部放电检测技术述评[J].高电压技术,2015,41(8):2583-2601.

Li Junhao,Han Xutao,Liu Zehui,et al. Review on partial discharge measurement technology of electrical equipment[J].High Voltage Engineering,2015,41(8):2583-2601.

王卫东,赵现平,王达达,等. GIS局部放电检测方法的分析研究[J].高压电器,2012,48(8):13-17.

Wang Weidong,Zhao Xianping,Wang Dada,et al. Analysis on the method of GIS partial discharge detection[J].High Voltage Apparatus,2012,48(8):13-17.

谢天喜,陆云才,石琦,等.用于局放声发射探测的Sagnac非平衡干涉超声传感技术[J].电力工程技术,2025,44(6):211-217.

Xie Tianxi,Lu Yuncai,Shi Qi,et al.Sagnac unbalanced interferometric ultrasound sensing for localised acoustic emission detection[J].Electric Power Engineering Technology,2025,44(6):211-217.

张兴辉,常文治,杜非,等.GIS局部放电多特征量传感研究进展[J].高压电器,2022,58(4):8-16.

Zhang Xinghui,Chang Wenzhi,Du Fei,et al.Research progress of multi-physics sensing in partial discharge ofGIS[J].High Voltage Apparatus,2022,58(4):8-16.

Sikorski W,Ziomek W.Detection,recognition and location of par tial discharge sources using acoustic emission method[M].Acoustic Emission,2012:49-74.

Gong D ,Chen Wentao ,Zhan Zhongqiang. Analysis of ultrasonic partial discharge characteristics of GIS's reducing unit based on finite element method[C]//2022 Journal of Physics:Conference Series on Power Grid Systems and Green Energy(PGSGE),2022:012016.

Yang Jinggang ,Shi Wen ,Li Hongtao ,et al.Analysis of partial discharge ultrasonic wave characteristic on typical defects in GIS[C]//2016 MATEC Web of Conferences on Mechatronics, Manufacturing and Materials Engineering(MMME),2016:01017.

孔凡珺,马径坦,谌珉灏,等.SF 6 压力对GIS典型缺陷局部放电检测灵敏度的影响[J ] .电力工程技术,2023,42(3):233-241.

Kong Fanjun,Ma Jingtan,Shen Minhao,et al. Effect of SF 6 pressure on the sensitivity of partial discharge detection of typical defects inGIS[J ] .Electric Power Engineering Technology ,2023, 42(3):233-241.

杨宁,毕建刚,弓艳朋,等.1100 kV GIS设备内部缺陷局部放电带电检测方法试验研究及比较分析[J].高压电器,2019,55 (8):37-47.

Yang Ning,Bi Jiangang,Gong Yanpeng,et al.Experimental research and comparative analysis on live test methods of partial discharge of internal defects in 1 100 kV GIS[J].High Voltage Apparatus,2019,55(8):37-47.

Rodrigo Mor A,Castro Heredia L C,Muñoz F A.Effect of acquisition parameters on equivalent time and equivalent bandwidth algorithms for partial discharge clustering[J].International Journal of Electrical Power & Energy Systems,2017(88):141-149.

Views

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Simulation of the Spatial Correlation Between X-ray-induced Charged-particle Source Terms and Discharge-sensitive Regions in GIS

Study on Economic Efficiency and Selection Strategies of Different GIS Layout Configurations

Analysis and Treatment of Discharge of 220 kV GIS Disconnector

Research on GIS Integrated Monitoring and Status Assessment Technology Based on Digital Twin

Influence of Geological Activity on Deformation Characteristics of GIS/GIL with Long-distance and Large Elevation Difference

Related Author

PENG Zhaoyu

WANG Shan

LONG Yunfeng

MA Hongming

YANG Zhou

QIU Pengfeng

LI Xu

SUN Zaichao

Related Institution

Electric Power Research Institute of Yunnan Power Grid Co., Ltd.

Yunnan Power Grid Co., Ltd.

Nujiang Power Supply Bureau of Yunnan Power Grid Co., Ltd., Yunnan Nujiang

Lincang Power Supply Bureau of Yunnan Power Grid Co., Ltd.

Chuxiong Power Supply Bureau of Yunnan Power Grid Co., Ltd., Yunnan Chuxiong

⁰