接(jie)地(de)係(ji)統(tong)的(di)分(fen)類(lei)
直(zhi)流(liu)接(jie)地(de)係(ji)統(tong)。按(an)照(zhao)性(xing)質(zhi)和(hu)用(yong)途(tu)不(bu)同(tong),直(zhi)流(liu)接(jie)地(de)係(ji)統(tong)可(ke)分(fen)為(wei)工(gong)作(zuo)接(jie)地(de)和(hu)保(bao)護(hu)接(jie)地(de)兩(liang)種(zhong):工(gong)作(zuo)接(jie)地(de)用(yong)於(yu)通(tong)信(xin)設(she)備(bei)和(hu)直(zhi)流(liu)通(tong)信(xin)電(dian)源(yuan)設(she)備(bei)的(di)正(zheng)常(chang)工(gong)作(zuo);而(er)保(bao)護(hu)接(jie)地(de)則(ze)用(yong)於(yu)保(bao)護(hu)人(ren)身(shen)和(hu)設(she)備(bei)的(di)安(an)全(quan)。
交(jiao)流(liu)接(jie)地(de)係(ji)統(tong)。交(jiao)流(liu)接(jie)地(de)係(ji)統(tong)用(yong)於(yu)由(you)市(shi)電(dian)和(hu)油(you)機(ji)發(fa)電(dian)設(she)備(bei)供(gong)電(dian)的(di)設(she)備(bei),也(ye)可(ke)以(yi)分(fen)為(wei)工(gong)作(zuo)接(jie)地(de)和(hu)保(bao)護(hu)接(jie)地(de)兩(liang)種(zhong)。在(zai)接(jie)地(de)交(jiao)流(liu)電(dian)力(li)係(ji)統(tong)中(zhong),380/220V三(san)相(xiang)TN製(zhi)供(gong)電(dian)係(ji)統(tong)的(di)中(zhong)性(xing)點(dian)須(xu)接(jie)地(de)並(bing)組(zu)成(cheng)接(jie)零(ling)係(ji)統(tong),以(yi)作(zuo)為(wei)工(gong)作(zuo)接(jie)地(de)並(bing)同(tong)時(shi)保(bao)護(hu)人(ren)身(shen)安(an)全(quan)作(zuo)用(yong)。

測(ce)量(liang)接(jie)地(de)係(ji)統(tong)。在(zai)較(jiao)大(dai)型(xing)的(di)通(tong)信(xin)局(ju)站(zhan)工(gong)程(cheng)中(zhong)。為(wei)了(liao)測(ce)量(liang)直(zhi)流(liu)地(de)線(xian)的(di)接(jie)地(de)電(dian)阻(zu),設(she)置(zhi)固(gu)定(ding)的(di)接(jie)地(de)體(ti)和(hu)接(jie)地(de)引(yin)入(ru)線(xian),單(shan)獨(du)作(zuo)為(wei)測(ce)試(shi)儀(yi)表(biao)的(di)輔(fu)助(zhu)接(jie)地(de)用(yong)。
防(fang)雷(lei)接(jie)地(de)係(ji)統(tong)。為(wei)了(liao)防(fang)止(zhi)建(jian)築(zhu)物(wu)或(huo)通(tong)信(xin)設(she)施(shi)受(shou)到(dao)直(zhi)擊(ji)雷(lei)、感(gan)應(ying)雷(lei)和(hu)沿(yan)管(guan)線(xian)傳(zhuan)入(ru)的(di)高(gao)電(dian)壓(ya)等(deng)引(yin)起(qi)的(di)破(po)壞(huai),能(neng)夠(gou)把(ba)雷(lei)電(dian)流(liu)安(an)全(quan)泄(xie)掉(diao)的(di)接(jie)地(de)係(ji)統(tong)稱(chen)為(wei)防(fang)雷(lei)接(jie)地(de)係(ji)統(tong)。有(you)關(guan)建(jian)築(zhu)物(wu)和(hu)通(tong)信(xin)線(xian)路(lu)等(deng)設(she)施(shi)的(di)防(fang)雷(lei)接(jie)地(de),應(ying)遵(zun)照(zhao)相(xiang)關(guan)規(gui)定(ding)設(she)計(ji)。