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電力電纜外護套探測儀

電(dian)(dian)(dian)力電(dian)(dian)(dian)纜(lan)外(wai)(wai)護套探(tan)測(ce)儀性(xing)能:地埋電(dian)(dian)(dian)纜(lan)外(wai)(wai)護套故障的測(ce)尋,同電(dian)(dian)(dian)力電(dian)(dian)(dian)纜(lan)故障探(tan)測(ce)一樣,一般要經過“初(chu)測(ce)"和“定(ding)點"二個步(bu)驟,有時甚至還需要查找電(dian)(dian)(dian)纜(lan)路(lu)徑。

  • 更新(xin)時(shi)間:2019-09-24
  • 瀏覽次數:516
  • 廠商性質(zhi):經銷商
  • 產(chan)品廠地:揚州市
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電力電纜外護套探測儀性能:地(di)埋電(dian)(dian)纜(lan)外護(hu)套(tao)故(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)的(de)測(ce)(ce)(ce)(ce)(ce)尋,同電(dian)(dian)力電(dian)(dian)纜(lan)故(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)探測(ce)(ce)(ce)(ce)(ce)一樣,一般(ban)要(yao)經過“初(chu)(chu)測(ce)(ce)(ce)(ce)(ce)”和(he)“定點(dian)”二個步(bu)驟,有時甚(shen)至還需要(yao)查(cha)(cha)找(zhao)電(dian)(dian)纜(lan)路徑。外護(hu)套(tao)接(jie)(jie)地(di)故(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)的(de)初(chu)(chu)測(ce)(ce)(ce)(ce)(ce)(測(ce)(ce)(ce)(ce)(ce)距)一般(ban)采用(yong)(yong)壓降法(fa)(fa)和(he)電(dian)(dian)橋法(fa)(fa)測(ce)(ce)(ce)(ce)(ce)試(shi)(shi)。由(you)于電(dian)(dian)橋法(fa)(fa)測(ce)(ce)(ce)(ce)(ce)試(shi)(shi)有局限性,不能測(ce)(ce)(ce)(ce)(ce)試(shi)(shi)多(duo)點(dian)接(jie)(jie)地(di)故(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang),也(ye)不能測(ce)(ce)(ce)(ce)(ce)試(shi)(shi)三(san)相(xiang)電(dian)(dian)纜(lan)鏈式(shi)接(jie)(jie)地(di)連線的(de)故(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)。本儀器是(shi)針對(dui)外護(hu)套(tao)故(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)的(de)特點(dian),采用(yong)(yong)壓降法(fa)(fa)初(chu)(chu)測(ce)(ce)(ce)(ce)(ce)電(dian)(dian)纜(lan)外護(hu)套(tao)的(de)接(jie)(jie)地(di)故(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang),再用(yong)(yong)跨(kua)步(bu)電(dian)(dian)壓法(fa)(fa)精確查(cha)(cha)找(zhao)故(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)點(dian)。儀器用(yong)(yong)于交(jiao)聯(lian)電(dian)(dian)纜(lan)的(de)外護(hu)套(tao)故(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)探測(ce)(ce)(ce)(ce)(ce);也(ye)可用(yong)(yong)于地(di)埋線和(he)全塑(su)線(無(wu)金(jin)屬護(hu)層(ceng)電(dian)(dian)纜(lan))故(gu)(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)的(de)探測(ce)(ce)(ce)(ce)(ce);還可用(yong)(yong)作(zuo)電(dian)(dian)纜(lan)外護(hu)套(tao)直流泄漏試(shi)(shi)驗。

電力電纜外護套探測儀電(dian)壓(ya)調節及(ji)工作方式切(qie)換注意事(shi)項(xiang):

1、根據將要進行的測試類型選(xuan)擇正確的工作方式。

進(jin)行泄漏(lou)測(ce)試將(jiang)工作方式撥到“泄漏(lou)測(ce)試”;

進行外護套故障(zhang)距離初測將工作方式撥到(dao)“DC1DC2DC3等(deng)”;

進行外(wai)護套故障定點測試(shi)將工作方式(shi)撥到“AC1AC2AC3等(deng)”

2、工(gong)作方式(shi)切換時,先斷開(kai)電源30秒以(yi)上;

3、電(dian)(dian)(dian)壓調節可以控制(zhi)輸(shu)出電(dian)(dian)(dian)壓和輸(shu)出電(dian)(dian)(dian)流(liu)的(de)(de)大(da)小幅度(du),當升(sheng)高(gao)電(dian)(dian)(dian)壓時,在(zai)負(fu)載一定的(de)(de)情況(kuang)下(xia),輸(shu)出的(de)(de)電(dian)(dian)(dian)流(liu)也會隨之增大(da);

4、開機(ji)順序:

①按照將(jiang)要(yao)進行(xing)的(de)試驗進行(xing)連(lian)線;

②選擇工作(zuo)方式;

③將電壓調節幅度旋(xuan)鈕逆時(shi)針旋(xuan)到(dao)小(xiao);

④打開電源;

⑤逐(zhu)步升高試驗電(dian)壓。

三(san)、主要技(ji)術參數

主(zhu)        源:AC220V±10%  5A

泄漏(lou)試驗(yan)輸出電壓:DC  010KV負極性;

定點和(he)故障距離(li)初測(ce)輸出電流:連續、斷續    0200mA 

    積(ji):340×320×260

    量:10kg   

定點儀  靈敏度(du):0.14V(未放(fang)大)

0.10mV(放(fang)大)

  源:3×1.5V

  量(liang):0.5公(gong)斤

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