1)电(Dian)线(Xian)束(Shu)烧(Shao)坏(Huai)故(Gu)障(Zhang)的(De)检(Jian)测(Ce)与(Yu)判(Pan)断(Duan)
电(Dian)线(Xian)束(Shu)烧(Shao)坏(Huai),都(Du)是(Shi)突(Tu)然(Ran)发(Fa)生(Sheng)的(De),而(?)且(Qie)燃(Ran)烧(Shao)速(Su)度(Du)很(Hen)快(Kuai),烧(Shao)坏(Huai)的(De)线(Xian)路(Lu)中(Zhong),一(Yi)般(Ban)无(Wu)保(Bao)险(Xian)装(Zhuang)置(Zhi)。(?)电(Dian)线(Xian)束(Shu)烧(Shao)坏(Huai)的(De)规(Gui)律(Lu)是(Shi)：(?)在(Zai)电(Dian)源(Yuan)系(Xi)统(Tong)的(De)电(Dian)路(Lu)中(Zhong),哪(Na)点(Dian)搭(Da)铁(Tie),电(Dian)线(Xian)束(Shu)就(Jiu)烧(Shao)到(Dao)哪(Na)里(Li),其(Qi)烧(Shao)坏(Huai)与(Yu)完(Wan)好(Hao)部(Bu)位(Wei)的(De)交(Jiao)接(Jie)处(Chu),可(Ke)认(Ren)为(Wei)该(Gai)处(Chu)电(Dian)线(Xian)搭(Da)铁(Tie)；(?)若(Ruo)电(Dian)线(Xian)束(Shu)烧(Shao)坏(Huai)至(Zhi)某(Mou)电(Dian)气(Qi)设(She)备(Bei)的(De)接(Jie)线(Xian)部(Bu)位(Wei)时(Shi),则(Ze)表(Biao)明(Ming)该(Gai)电(Dian)气(Qi)设(She)备(Bei)故(Gu)障(Zhang)。(?)
2)线(Xian)路(Lu)之(Zhi)间(Jian)的(De)短(Duan)路(Lu)、(?)断(Duan)路(Lu)、(?)接(Jie)触(Chu)不(Bu)良(Liang)故(Gu)障(Zhang)的(De)检(Jian)测(Ce)与(Yu)判(Pan)断(Duan)
电(Dian)线(Xian)束(Shu)受(Shou)到(Dao)外(Wai)部(Bu)挤(Ji)压(Ya)、(?)冲(Chong)击(Ji),引(Yin)起(Qi)电(Dian)线(Xian)束(Shu)内(Nei)电(Dian)线(Xian)绝(Jue)缘(Yuan)层(Ceng)损(Sun)坏(Huai),导(Dao)致(Zhi)电(Dian)线(Xian)之(Zhi)间(Jian)的(De)短(Duan)路(Lu),使(Shi)某(Mou)些(Xie)电(Dian)气(Qi)设(She)备(Bei)失(Shi)控(Kong)、(?)保(Bao)险(Xian)丝(Si)熔(Rong)断(Duan)。(?)
判(Pan)断(Duan)时(Shi),可(Ke)拆(Chai)开(Kai)电(Dian)气(Qi)设(She)备(Bei)与(Yu)控(Kong)制(Zhi)开(Kai)关(Guan)两(Liang)端(Duan)的(De)电(Dian)线(Xian)束(Shu)插(Cha)接(Jie)器(Qi),用(Yong)电(Dian)表(Biao)或(Huo)试(Shi)灯(Deng)检(Jian)测(Ce)线(Xian)路(Lu)的(De)短(Duan)路(Lu)之(Zhi)处(Chu)。(?)
导(Dao)线(Xian)断(Duan)路(Lu)故(Gu)障(Zhang),除(Chu)明(Ming)显(Xian)的(De)断(Duan)裂(Lie)现(Xian)象(Xiang)外(Wai),常(Chang)见(Jian)故(Gu)障(Zhang)多(Duo)发(Fa)生(Sheng)在(Zai)导(Dao)线(Xian)与(Yu)导(Dao)线(Xian)端(Duan)子(Zi)之(Zhi)间(Jian)。(?)有(You)的(De)导(Dao)线(Xian)断(Duan)路(Lu)后(Hou),外(Wai)绝(Jue)缘(Yuan)层(Ceng)与(Yu)导(Dao)线(Xian)端(Duan)子(Zi)完(Wan)好(Hao),但(Dan)导(Dao)线(Xian)内(Nei)芯(Xin)线(Xian)与(Yu)导(Dao)线(Xian)端(Duan)子(Zi)已(Yi)断(Duan)路(Lu)。(?)判(Pan)断(Duan)时(Shi),可(Ke)对(Dui)怀(Huai)疑(Yi)断(Duan)路(Lu)的(De)导(Dao)电(Dian)线(Xian)与(Yu)导(Dao)线(Xian)端(Duan)子(Zi)做(Zuo)拉(La)力(Li)试(Shi)验(Yan),在(Zai)拉(La)力(Li)试(Shi)验(Yan)过(Guo)程(Cheng)中(Zhong),如(Ru)导(Dao)线(Xian)绝(Jue)缘(Yuan)层(Ceng)逐(Zhu)渐(Jian)变(Bian)细(Xi)时(Shi),可(Ke)确(Que)认(Ren)该(Gai)导(Dao)线(Xian)已(Yi)断(Duan)路(Lu)。(?)
线(Xian)路(Lu)接(Jie)触(Chu)不(Bu)良(Liang),故(Gu)障(Zhang)多(Duo)发(Fa)生(Sheng)在(Zai)插(Cha)接(Jie)器(Qi)内(Nei)。(?)当(Dang)故(Gu)障(Zhang)出(Chu)现(Xian)时(Shi),会(Hui)引(Yin)起(Qi)电(Dian)气(Qi)设(She)备(Bei)不(Bu)能(Neng)正(Zheng)常(Chang)工(Gong)作(Zuo)。(?)判(Pan)断(Duan)时(Shi),接(Jie)通(Tong)该(Gai)电(Dian)气(Qi)设(She)备(Bei)电(Dian)源(Yuan),碰(Peng)触(Chu)或(Huo)拉(La)动(Dong)该(Gai)电(Dian)气(Qi)设(She)备(Bei)的(De)有(You)关(Guan)插(Cha)接(Jie)器(Qi),当(Dang)碰(Peng)触(Chu)某(Mou)个(Ge)插(Cha)接(Jie)器(Qi)时(Shi),该(Gai)电(Dian)气(Qi)设(She)备(Bei)的(De)工(Gong)作(Zuo)忽(Hu)正(Zheng)常(Chang),忽(Hu)不(Bu)正(Zheng)常(Chang),表(Biao)明(Ming)该(Gai)插(Cha)接(Jie)器(Qi)有(You)故(Gu)障(Zhang)。(?)