路燈線路故障定位儀采用先進的波形處理計算法，能真實反映現場實測波形，使操作者可靠地分析各種故障波形；操作簡單，各種文化層次操作人員都能很快熟練掌握；完善的波形處理功能，能將所采集的波形任意選擇顯示、展寬縮、左右平移。有利于對特殊故障波形特征拐點的判斷。

路燈線路故障定位儀測(ce)試(shi)對象及(ji)(ji)適(shi)應故障(zhang)類型：主要(yao)測(ce)試(shi)35KV、10KV高壓輸電線路(lu)所出現(xian)(xian)的高 阻泄漏性(xing)故障(zhang)，高阻閃絡性(xing)故障(zhang)，斷路(lu)及(ji)(ji)短路(lu)故障(zhang)； 測(ce)試(shi)方(fang)法(fa)：脈沖測(ce)距(ju)(ju)法(fa)和沖閃測(ce)距(ju)(ju)法(fa)； 測(ce)試(shi)距(ju)(ju)離(li)：大于60Km 根(gen)據輸電線路(lu)的長(chang)度可選(xuan)擇三種測(ce)試(shi)方(fang)式(shi)：短距(ju)(ju)離(li)、中距(ju)(ju)離(li)及(ji)(ji)長(chang)距(ju)(ju)離(li)； 取(qu)樣(yang)方(fang)法(fa)：電流取(qu)樣(yang)法(fa)； 粗測(ce)精度：相對誤(wu)差(cha)小于1%，誤(wu)差(cha)1OKm時(shi)小于50m(一個(ge)桿(gan)塔距(ju)(ju)離(li))； 現(xian)(xian)場測(ce)試(shi)波形儲(chu)存(cun)(cun)功(gong)能(neng)：儲(chu)存(cun)(cun)波形的數(shu)量僅受電腦內存(cun)(cun)能(neng)力(li)的限定。并能(neng) 隨時(shi)調出供分析與對比.

由電(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)故(gu)障(zhang)(zhang)(zhang)(zhang)測(ce)(ce)(ce)試儀(yi)(yi)主(zhu)機、電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)故(gu)障(zhang)(zhang)(zhang)(zhang)定(ding)位(wei)儀(yi)(yi)、電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)路徑(jing)儀(yi)(yi)三個主(zhu)要部(bu)分組成(cheng)。電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)故(gu)障(zhang)(zhang)(zhang)(zhang)測(ce)(ce)(ce)試儀(yi)(yi)主(zhu)機用(yong)于測(ce)(ce)(ce)量(liang)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)故(gu)障(zhang)(zhang)(zhang)(zhang)故(gu)障(zhang)(zhang)(zhang)(zhang)性質(zhi)，全(quan)長及電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)故(gu)障(zhang)(zhang)(zhang)(zhang)點(dian)距測(ce)(ce)(ce)試端的大致位(wei)置。電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)故(gu)障(zhang)(zhang)(zhang)(zhang)定(ding)點(dian)儀(yi)(yi)是(shi)在電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)故(gu)障(zhang)(zhang)(zhang)(zhang)測(ce)(ce)(ce)試儀(yi)(yi)主(zhu)機確(que)定(ding)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)故(gu)障(zhang)(zhang)(zhang)(zhang)點(dian)的大致位(wei)置的基(ji)礎上來確(que)定(ding)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)故(gu)障(zhang)(zhang)(zhang)(zhang)點(dian)的精確(que)位(wei)置。對于未知走向的埋(mai)地電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)，需(xu)使用(yong)路徑(jing)儀(yi)(yi)來確(que)定(ding)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)的地下走向。電(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)故(gu)障(zhang)(zhang)(zhang)(zhang)進(jin)行測(ce)(ce)(ce)試的基(ji)本方法是(shi)通過(guo)對故(gu)障(zhang)(zhang)(zhang)(zhang)電(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)施加高(gao)壓脈沖，在電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)故(gu)障(zhang)(zhang)(zhang)(zhang)點(dian)處產生擊穿，電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)故(gu)障(zhang)(zhang)(zhang)(zhang)擊穿點(dian)放電(dian)(dian)(dian)(dian)(dian)的同時對外產生電(dian)(dian)(dian)(dian)(dian)磁波(bo)并(bing)同時發出聲(sheng)音(yin)。

的二次(ci)脈(mo)(mo)沖(chong)(chong)(chong)(chong)法(fa)：在電(dian)纜(lan)故(gu)障(zhang)(zhang)定(ding)位中(zhong)(zhong)的(de)(de)(de)(de)應用的(de)(de)(de)(de)工(gong)作原理：首(shou)先(xian)使(shi)(shi)(shi)用一(yi)定(ding)電(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)等級、一(yi)定(ding)能量(liang)的(de)(de)(de)(de)高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)脈(mo)(mo)沖(chong)(chong)(chong)(chong)在電(dian)纜(lan)的(de)(de)(de)(de)測試(shi)端(duan)施加給故(gu)障(zhang)(zhang)電(dian)纜(lan)，讓電(dian)纜(lan)的(de)(de)(de)(de)高(gao)阻故(gu)障(zhang)(zhang)點(dian)發(fa)生擊穿燃弧(hu)。同時(shi)，在測試(shi)端(duan)加入測量(liang)用的(de)(de)(de)(de)低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)脈(mo)(mo)沖(chong)(chong)(chong)(chong)，測量(liang)脈(mo)(mo)沖(chong)(chong)(chong)(chong)到達電(dian)纜(lan)的(de)(de)(de)(de)高(gao)阻故(gu)障(zhang)(zhang)點(dian)時(shi)，遇到電(dian)弧(hu)，在電(dian)弧(hu)的(de)(de)(de)(de)表面發(fa)生反射。由于燃弧(hu)時(shi)，高(gao)阻故(gu)障(zhang)(zhang)變成了瞬(shun)間的(de)(de)(de)(de)短(duan)路(lu)故(gu)障(zhang)(zhang)，低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)測量(liang)脈(mo)(mo)沖(chong)(chong)(chong)(chong)將(jiang)發(fa)生明顯的(de)(de)(de)(de)阻抗特征(zheng)變化(hua)(hua)，使(shi)(shi)(shi)得(de)閃(shan)絡(luo)測量(liang)的(de)(de)(de)(de)波(bo)形變為(wei)(wei)低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)脈(mo)(mo)沖(chong)(chong)(chong)(chong)短(duan)路(lu)波(bo)形，使(shi)(shi)(shi)得(de)波(bo)形判別特別簡單清晰。這就是(shi)我(wo)們(men)稱之為(wei)(wei)的(de)(de)(de)(de)“二次(ci)脈(mo)(mo)沖(chong)(chong)(chong)(chong)法(fa)”。接收(shou)到的(de)(de)(de)(de)低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)脈(mo)(mo)沖(chong)(chong)(chong)(chong)反射波(bo)形相(xiang)當于一(yi)個(ge)線(xian)芯對地*短(duan)路(lu)的(de)(de)(de)(de)波(bo)形。將(jiang)釋(shi)放高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)脈(mo)(mo)沖(chong)(chong)(chong)(chong)時(shi)與未釋(shi)放高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)脈(mo)(mo)沖(chong)(chong)(chong)(chong)時(shi)所(suo)得(de)到的(de)(de)(de)(de)低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)脈(mo)(mo)沖(chong)(chong)(chong)(chong)波(bo)形進行疊加，2個(ge)波(bo)形會有一(yi)個(ge)發(fa)散點(dian)，這發(fa)散點(dian)就是(shi)故(gu)障(zhang)(zhang)點(dian)的(de)(de)(de)(de)反射波(bo)形點(dian)。這種方法(fa)把(ba)低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)脈(mo)(mo)沖(chong)(chong)(chong)(chong)法(fa)和高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)閃(shan)絡(luo)技術結(jie)合在一(yi)起，使(shi)(shi)(shi)測試(shi)人員更容易判斷出故(gu)障(zhang)(zhang)點(dian)的(de)(de)(de)(de)位置。與傳統的(de)(de)(de)(de)測試(shi)方法(fa)相(xiang)比,二次(ci)脈(mo)(mo)沖(chong)(chong)(chong)(chong)法(fa)的(de)(de)(de)(de)先(xian)進之處，是(shi)將(jiang)沖(chong)(chong)(chong)(chong)擊高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)閃(shan)絡(luo)法(fa)中(zhong)(zhong)的(de)(de)(de)(de)復雜(za)波(bo)形簡化(hua)(hua)為(wei)(wei)簡單的(de)(de)(de)(de)低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)脈(mo)(mo)沖(chong)(chong)(chong)(chong)短(duan)路(lu)故(gu)障(zhang)(zhang)波(bo)形，所(suo)以判讀極為(wei)(wei)簡單，可準確標定(ding)故(gu)障(zhang)(zhang)距離(li)。