| 利用超声波法检测SF6电流互感器内局部放电故障 |
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| 引用本文： | 毛文奇,毛柳明,胡旭.利用超声波法检测SF6电流互感器内局部放电故障[J].湖南电力,2011(5):49-51. |
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| 作者姓名： | 毛文奇 毛柳明 胡旭 |
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| 作者单位： | 武汉大学;湖南省电力公司科学研究院; |
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| 摘 要： | 利用超声波法对某变电站220kV电流互感器内局部放电故障进行了检测与定位。经过解体检查分析，判断故障为电流互感器屏蔽管未可靠接地所致，验证了超声波法的有效性，并提出了相应的反事故措施。
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| 关 键 词： | 超声波法 电流互感器 局部放电 定位 屏蔽管 接地 |
Ultrasonic detection on internal PD failure in SF_6 TA |
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| MAO Wen-qi,MAO Liu-ming,HU Xu.Ultrasonic detection on internal PD failure in SF_6 TA[J].Hunan Electric Power,2011(5):49-51. |
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| Authors: | MAO Wen-qi MAO Liu-ming HU Xu |
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| Affiliation: | MAO Wen-qi1,2,MAO Liu-ming2,HU Xu2(1.Wuhan University,Wuhan 430072,China,2.Hunan electric power corporation research institute,Changsha,410007,China) |
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| Abstract: | Ultrasonic method was applied for the detection and location of the partial discharge in a certain 220 kV current transformer.The TA is disassembled for inspection and found that the fault reason is the earthing failure of the shielding tube and appropriate countermeasures are put forward. |
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| Keywords: | Ultrasonic method current transformer partial discharge(PD) location shielding tube earthing |
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