| 电力电缆外护套故障定位研究 |
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| 引用本文： | 熊必凤[],、唐超[],、王谦[],、祝诗平[],、李旭[],、张松[].电力电缆外护套故障定位研究[J].西南师范大学学报(自然科学版),2016,41(8). |
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| 作者姓名： | 熊必凤[] 、唐超[] 、王谦[] 、祝诗平[] 、李旭[] 、张松[] |
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| 作者单位： | 西南大学 工程技术学院,重庆,400716
； 国网重庆市电力公司电力科学研究院,重庆,401123 |
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| 摘 要： | 首先分析了导致电缆外护套发生故障的原因,其次阐述了传统的用于电缆故障定位的电桥法和跨步电压法,并利用电桥法首先对舒汇线110kV电缆故障点实行了预定位,然后利用跨步电压法对故障点实行了精确定位.实际测量结果证明,预定位的电压降法结合精确定点的跨步电压法能够较好地应用于110kV电缆外护套的故障定位.
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| 关 键 词： | 电缆外护套 故障定位 电桥法 跨步电压法 |
On Fault Location of Outer Sheath of Power Cable |
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| XIONG Bi-feng,TANG Chao,WANG Qian,ZHU Shi-ping,LI Xu,ZHANG Song.On Fault Location of Outer Sheath of Power Cable[J].Journal of Southwest China Normal University(Natural Science),2016,41(8). |
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| Authors: | XIONG Bi-feng[] TANG Chao[] WANG Qian[] ZHU Shi-ping[] LI Xu[] ZHANG Song[] |
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| Abstract: | The reason that causes the failure of the cable outer sheath has been analyzed firstly.And then, the traditional bridge method and step voltage method for the fault location of outer sheath of power cable have been introduced.In the experiments,a pre-location test of 1 10kV cable fault points in the Shuhui line by the bridge method has been performed,and a precise fault location test by the step voltage method has been made.It can be confirmed that the pre-location test by the bridge method and the precise fault loca-tion test by the step voltage method are suitable for the fault location of outer sheath of 110kV power cable. |
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