特高压GIS超薄型外置式特高频传感器的优化设计与应用研究
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摘要
为实现特高压GIS设备盆式绝缘子浇筑口与支架窄缝隙处的UHF(特高频)带电检测,研制了一种蝶形贴片超薄型外置式UHF传感器。基于FDTD(时域有限差分法)建立了UHF传感器性能仿真模型,仿真研究了天线长度、张角、厚度等结构参数对天线性能的影响,开展了传感器的回波损耗参数和等效高度测试,并与商用外置式传感器进行了典型缺陷下局部放电检测灵敏度的实测对比,最后在特高压GIS进行了验证应用。结果表明,该传感器的检测灵敏度与商用传感器相当,可满足特高压GIS局部放电带电检测工作的要求。
In order to realize the ultra-high frequency(UHF) live detection at base insulator sprue gate and the narrow gap of the bracket of the UHV GIS, this paper presents an ultra-thin external UHF sensor with butterfly thin chip. Based on finite difference time domain(FDTD) method, a simulation model of UHF sensor performance was established. The influence of antenna length, angle, and thickness on the performance of the antenna was simulated. Wave loss parameters and equivalent height test were tested, and the commercial external sensor under the typical defects of the PD detection sensitivity is compared and finally verified and applied in the UHV GIS. As is shown that the sensitivity of the sensor is the same as that of the commercial sensor, and can meet the requirement of PD live test of UHV GIS.
In order to realize the ultra-high frequency(UHF) live detection at base insulator sprue gate and the narrow gap of the bracket of the UHV GIS, this paper presents an ultra-thin external UHF sensor with butterfly thin chip. Based on finite difference time domain(FDTD) method, a simulation model of UHF sensor performance was established. The influence of antenna length, angle, and thickness on the performance of the antenna was simulated. Wave loss parameters and equivalent height test were tested, and the commercial external sensor under the typical defects of the PD detection sensitivity is compared and finally verified and applied in the UHV GIS. As is shown that the sensitivity of the sensor is the same as that of the commercial sensor, and can meet the requirement of PD live test of UHV GIS.
引文
[1]JUDD M D,FARISH O,HAMPTON B F.The excitation of UHF signal by partial discharge in GIS[J].IEEE Transactions on Dielectrics and Electrical Insulation,1996,3(2):213-228.
[2]JUDD M D,FARISH O,COVENTRY P F.UHF couplers for GIS-sensitivity and specification[C]//10th International Symposium on High Voltage Engineering,1997,Montreal,Canada:219-222.
[3]张晓星,谌阳,唐俊忠,等.检测GIS局部放电的小型准TEM喇叭天线[J].高电压技术,2011,37(8):1975-1981.
[4]李兴旺,卢启付,唐志国,等.GIS局部放电特高频传感器接收特性表征研究[J].广东电力,2013,26(9):55-60.
[5]汲胜昌,王圆圆,李军浩,等.GIS局部放电检测用特高频天线研究现状及发展[J].高压电器,2015(4):163-172.
[6]KANEKO S,OKABE S,YOSHIMURA M,et al.Detecting characteristics of various type antennas on partial discharge electromagnetic wave radiating through insulating spacer in gas insulated switchgear[J].IEEE Transactions on Dielectrics&Electrical Insulation,2009,16(5):1462-1472.
[7]张需溥.蝶形微带天线的数值分析与设计[D].上海:上海大学,2001.
[8]周蔚红,刘培国,刘克成,等.探地雷达中蝶形振子天线的改进[J].电子与信息学报,2005,27(7):1171-1173.
[9]林昌禄.天线工程手册[M].北京:电子工业出版社,2002:44-45.
[10]葛德彪,闫玉波.电磁波时域有限差分方法[M].西安:西安电子科技大学出版社,2011.
[11]JUDD M D,FARISH O,PEARSON J S.UHF couplers for gas-insulated substations:a calibration technique[J].IEE Proceedings-Science,Measurement and Technology,1997,144(3):117-122.
[12]李端姣,唐志国.GIS局部放电特高频检测系统标定研究[J].高电压技术,2015,41(10):3348-3354.
[13]刘光祺,王科,马仪,等.特高频法外置传感器等效高度参数测试[J].云南电力技术,2014(6):81-85.
[14]李欣,叶会生,谢耀恒,等.GIS特高频局部放电传感器接收性能测试方法研究[J].湖南电力,2016,36(2):28-31.
[15]刘亚洲.基于GTEM小室的UHF传感器性能标定关键问题研究[D].北京:华北电力大学,2016.
[16]彭晶,王科,王飞,等.局部放电UHF传感器有效高度脉冲时域和频域标定对比研究[J].电气应用,2017(18):34-37.
[17]李鲁博,王荣亮,宋晓博.特高频法在GIS局部放电检测与定位上的应用[J].山西电力,2018(2):17-21.
[18]邵先军,何文林,王绍安,等.特高压GIS特高频内置传感器有效监测范围现场测试与评估技术研究[J].浙江电力,2017,36(11):16-22.
[2]JUDD M D,FARISH O,COVENTRY P F.UHF couplers for GIS-sensitivity and specification[C]//10th International Symposium on High Voltage Engineering,1997,Montreal,Canada:219-222.
[3]张晓星,谌阳,唐俊忠,等.检测GIS局部放电的小型准TEM喇叭天线[J].高电压技术,2011,37(8):1975-1981.
[4]李兴旺,卢启付,唐志国,等.GIS局部放电特高频传感器接收特性表征研究[J].广东电力,2013,26(9):55-60.
[5]汲胜昌,王圆圆,李军浩,等.GIS局部放电检测用特高频天线研究现状及发展[J].高压电器,2015(4):163-172.
[6]KANEKO S,OKABE S,YOSHIMURA M,et al.Detecting characteristics of various type antennas on partial discharge electromagnetic wave radiating through insulating spacer in gas insulated switchgear[J].IEEE Transactions on Dielectrics&Electrical Insulation,2009,16(5):1462-1472.
[7]张需溥.蝶形微带天线的数值分析与设计[D].上海:上海大学,2001.
[8]周蔚红,刘培国,刘克成,等.探地雷达中蝶形振子天线的改进[J].电子与信息学报,2005,27(7):1171-1173.
[9]林昌禄.天线工程手册[M].北京:电子工业出版社,2002:44-45.
[10]葛德彪,闫玉波.电磁波时域有限差分方法[M].西安:西安电子科技大学出版社,2011.
[11]JUDD M D,FARISH O,PEARSON J S.UHF couplers for gas-insulated substations:a calibration technique[J].IEE Proceedings-Science,Measurement and Technology,1997,144(3):117-122.
[12]李端姣,唐志国.GIS局部放电特高频检测系统标定研究[J].高电压技术,2015,41(10):3348-3354.
[13]刘光祺,王科,马仪,等.特高频法外置传感器等效高度参数测试[J].云南电力技术,2014(6):81-85.
[14]李欣,叶会生,谢耀恒,等.GIS特高频局部放电传感器接收性能测试方法研究[J].湖南电力,2016,36(2):28-31.
[15]刘亚洲.基于GTEM小室的UHF传感器性能标定关键问题研究[D].北京:华北电力大学,2016.
[16]彭晶,王科,王飞,等.局部放电UHF传感器有效高度脉冲时域和频域标定对比研究[J].电气应用,2017(18):34-37.
[17]李鲁博,王荣亮,宋晓博.特高频法在GIS局部放电检测与定位上的应用[J].山西电力,2018(2):17-21.
[18]邵先军,何文林,王绍安,等.特高压GIS特高频内置传感器有效监测范围现场测试与评估技术研究[J].浙江电力,2017,36(11):16-22.