针对交流耐压试验方法在发现电缆缺陷上的不足，提出在高压电缆交流耐压试验中外接局放监视仪来避免耐压试验对电缆造成损伤。通过建立仿真电路和搭建实验室模型，研究了现场干扰信号与电缆自身局放信号的时域、频域、波形和极性的特征，总结出一套适用于高压电缆现场局放测试的方法。应用该方法对新敷设的110 kV高压电缆进行检测，发现了高压电缆终端的缺陷，证实了此测试方法的有效性。
参考文献
| [1] | 张婷婷,周力行,向洋.绝缘热老化局部放电信号频域分析的实验研究[J].绝缘材料,2008(03):49-51. |
| [2] | 黄愔,李耀星.局部放电对粗放的绝缘材料生产和应用方式的挑战[J].绝缘材料,2005(06):48-52,57. |
| [3] | Gulshi E;Setiz P P;Bodega R.On-site Testing and PD Diagnosis of HV Power Cables[A].,2008:650-653. |
| [4] | Katsuta G.;Toya A. .Development of a method of partial discharge detection in extra-high voltage cross-linked polyethylene insulated cable lines[J].IEEE Transactions on Power Delivery,1992(3):1068-1079. |
| [5] | Ohki Y .Present Stage of Partial Discharge Monitoring Tech-nique in After-lyling Tests for Extra-high Voltage XLPE Ca-ble Lines[J].IEEE Electric Insulation Magzine,2002,16(01):74-76. |
| [6] | N. H. Ahmed;N. N. Srinivas .On-line partial discharge detection in cables[J].IEEE transactions on dielectrics and electrical insulation: A publication of the IEEE Dielectrics and Electrical Insulation Society,1998(2):181-188. |
| [7] | Tian Y;Lewin P L;Davies A E et al.Partial Discharge De-tection in Cable Using VHF Capacitive Couples[J].IEEE Transactions on Dielectrics and Electrical Insulation,2003,10(02):343-353. |
| [8] | 韦斌,王伟,李成榕,李信,李华春.VHF钳型传感器在线检测110kV XLPE电缆局放[J].高电压技术,2004(07):37-39. |
| [9] | 龚宁涛 .110千伏交联聚乙烯电缆预制型接头局部放电宽频带检测研究[D].重庆大学,2009. |
| [10] | 张磊 .基于XLPE电缆局部放电检测的传感器研究[D].天津大学,2009. |
| [11] | Boggs S.;Pathak A. .Partial discharge. XXII. High frequency attenuation in shielded solid dielectric power cable and implications thereof for PD location[J].IEEE Electrical Insulation Magazine,1996(1):9-16. |
| [12] | Oussalah N;Zebboundj Y;Boggs S.PD Pulse Propa-gation in Shielded Power Cable for Symmetric and Asym-metric PD Pulses[A].,2006:30-33. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%