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电缆故障点的查找方法是什么?

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电缆故障点的查找方法是什么?

发布日期:2018-08-20 00:00 来源:http://puhe169.com 点击:

DIANLANGUZHANGDIANDECHAZHAOFANGFASHISHENME?


河北快3  ZHIJIEDUANLUHUODUANXIANGUZHANGYONGWANYONGBIAOKEZHIJIECELIANGPANDUAN,HUAZHONGXIANLANBIAOSHIDUIYUFEIZHIJIEDUANLUHEJIEDIGUZHANG,YONGZHAOOUBIAOYAOCEXINXIANJIANJUEYUANDIANZUHUOXINXIANDUIDIJUEYUANDIANZU,GENJUQIZUZHIKEPANDINGGUZHANGLEIXING。ZHANGLEIXINGQUEDINGHOU,CHAZHAOGUZHANGDIANBINGBUSHIYIJIANRONGYIDESHIQING,XIAMIANGENJUBIZHEDEJINGYAN,JIESHAOJIZHONGCHAZHAOGUZHANGDIANDEFANGFA。

华中线缆

  1、DIANLANGUZHANGDIANDECHAZHAOFANGFA

  (1) 测声法:所谓测声法就是根据故障电缆放电的声音进行查找,该方法对于高压电缆芯线对绝缘层闪络放电较为有效。华中线缆此方法所用设备为直流耐压试验机。在故障处电缆芯线对绝缘层放电产生“滋、滋”的火花放电声,对于明敷设电缆凭听觉可直接查找,若为地埋电缆,则首先要确定并标明电缆走向,再在杂噪声音最小的时候,借助耳聋助听器或医用听诊器等音频放大设备进行查找。查找时,将拾音器贴近地面,沿电缆走向慢慢移动,当听到“滋、滋 ”放电声最大时,该处即为故障点。使用该方法一定要注意安全,在试验设备端和电缆末端应设专人监视。


  (2) DIANQIAOFA:DIANQIAOFAJIUSHIYONGSHUANGBEIDIANQIAOCECHUDIANLANXINXIANDEZHILIUDIANZUZHI,ZAIZHUNQUECELIANGDIANLANSHIJIZHANGDU,ANZHAODIANLANZHANGDUYUDIANZUDEZHENGBILIGUANXI,JISUANCHUGUZHANGDIAN。GAIFANGFADUIYUDIANLANXINXIANJIANZHIJIEDUANLUHUODUANLUDIANJIECHUDIANZUXIAOYU1ΩDEGUZHANG,PANDUANWUCHAYIBANBUDAYU3m,DUIYUGUZHANGDIANJIECHUDIANZUDAYU1ΩDEGUZHANG,KECAIYONGJIAGAODIANYASHAOCHUANDEFANGFASHIDIANZUJIANGZHI1ΩYIXIA,ZAIANCIFANGFACELIANG。


  CELIANGBUZHOURUXIA:

  ①XIANZAIbHEcXIANGXINXIANSHANGJIESHANGDIANCHIE,ZAIZAIDIMIANSHANGFUSHEYIGENYUGUZHANGDIANLANZHANGDUXIANGDENGDEBIJIAODAOXIANS,GAIDAOXIANYAOYONGLUOTONGXIANHUOLUOLVXIAN,QIJIEMIANYINGXIANGDENG,BUNENGYOUZHONGJIANJIETOU。

河北快3  ②JIANGWEIFUBIAODEFUJIJIEDI,ZHENGJIJIEYIGENJIAOZHANGDERUANDAOXIAN,DAOXIANLINGYIDUANYAOQIUZAIFUSHEDEBIJIAODAOXIANSHANGHUADONGSHINENGCHONGFENJIECHU

  ③HESHANGZHADAOKAIGUANK,JIANGRUANDAOXIANDEDUANTOUZAIBIJIAODAOXIANSHANGHUADONG,DANGWEIFUBIAOZHISHIWEILINGSHIDEWEIZHIJIWEIDIANLANGUZHANGDIANDEWEIZHI。


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