因(yin)為(wei)雷電(dian)攜帶了(le)巨大的能量(liang)(liang),在(zai)機(ji)房電(dian)力系統(tong)中(zhong)一般(ban)通(tong)過多級分(fen)流泄(xie)放(fang)的方式(shi),根據實際需(xu)要可以(yi)分(fen)四級將(jiang)雷擊能量(liang)(liang)通(tong)過浪涌保護器(qi)泄(xie)放(fang)到大地。具體(ti)是怎(zen)樣應用的呢？【鈞和電(dian)子?浪涌保護器(qi)】為(wei)您分(fen)享如下：

1.第一(yi)級(ji)浪(lang)(lang)涌(yong)(yong)保(bao)護(hu)(hu)器(qi)應(ying)該安(an)(an)裝(zhuang)(zhuang)在(zai)機(ji)房電(dian)(dian)(dian)(dian)力室的(de)(de)(de)(de)入(ru)口處,對市(shi)電(dian)(dian)(dian)(dian)的(de)(de)(de)(de)各相進線(xian)和大(da)地(di)之間安(an)(an)裝(zhuang)(zhuang)大(da)容量電(dian)(dian)(dian)(dian)源浪(lang)(lang)涌(yong)(yong)保(bao)護(hu)(hu)器(qi),泄(xie)(xie)放直接(jie)雷(lei)擊產生的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)流。機(ji)房電(dian)(dian)(dian)(dian)力變(bian)壓(ya)器(qi)兩側(ce)均為三相交流電(dian)(dian)(dian)(dian),在(zai)低壓(ya)側(ce)安(an)(an)裝(zhuang)(zhuang)的(de)(de)(de)(de)浪(lang)(lang)涌(yong)(yong)保(bao)護(hu)(hu)器(qi)應(ying)該是電(dian)(dian)(dian)(dian)壓(ya)開關(guan)型(xing)浪(lang)(lang)涌(yong)(yong)保(bao)護(hu)(hu)器(qi),它的(de)(de)(de)(de)浪(lang)(lang)涌(yong)(yong)流量應(ying)該大(da)于60kA。第一(yi)級(ji)浪(lang)(lang)涌(yong)(yong)保(bao)護(hu)(hu)器(qi)的(de)(de)(de)(de)技術(shu)參數比較(jiao)大(da),它主要是承受雷(lei)電(dian)(dian)(dian)(dian)以及在(zai)金(jin)屬線(xian)路上感應(ying)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)流而安(an)(an)裝(zhuang)(zhuang)的(de)(de)(de)(de),目的(de)(de)(de)(de)是把(ba)線(xian)路上較(jiao)大(da)浪(lang)(lang)涌(yong)(yong)電(dian)(dian)(dian)(dian)流分泄(xie)(xie)入(ru)大(da)地(di)。第一(yi)級(ji)浪(lang)(lang)涌(yong)(yong)保(bao)護(hu)(hu)器(qi)通過對較(jiao)大(da)浪(lang)(lang)涌(yong)(yong)電(dian)(dian)(dian)(dian)流分泄(xie)(xie)實現初步的(de)(de)(de)(de)避雷(lei),要想(xiang)更好地(di)保(bao)護(hu)(hu)電(dian)(dian)(dian)(dian)力系統和機(ji)房內其他電(dian)(dian)(dian)(dian)氣設(she)備的(de)(de)(de)(de)安(an)(an)全還需要下級(ji)浪(lang)(lang)涌(yong)(yong)保(bao)護(hu)(hu)器(qi)的(de)(de)(de)(de)共同作用;

2.第(di)二級(ji)(ji)浪(lang)涌(yong)保(bao)(bao)(bao)護(hu)器(qi)(qi)是(shi)(shi)非常關鍵(jian)的(de)(de)一(yi)級(ji)(ji)保(bao)(bao)(bao)護(hu)手段,主要目(mu)標(biao)(biao)是(shi)(shi)第(di)一(yi)級(ji)(ji)浪(lang)涌(yong)保(bao)(bao)(bao)護(hu)器(qi)(qi)沒有泄(xie)放掉的(de)(de)剩(sheng)(sheng)余(yu)電(dian)(dian)(dian)壓(ya)、本防護(hu)級(ji)(ji)層中(zhong)(zhong)設備和(he)線(xian)路感應(ying)到的(de)(de)浪(lang)涌(yong)。因為當第(di)一(yi)級(ji)(ji)浪(lang)涌(yong)保(bao)(bao)(bao)護(hu)器(qi)(qi)泄(xie)放電(dian)(dian)(dian)流后,仍剩(sheng)(sheng)余(yu)較大的(de)(de)電(dian)(dian)(dian)壓(ya),對(dui)機(ji)(ji)房的(de)(de)通(tong)信設備和(he)后級(ji)(ji)的(de)(de)浪(lang)涌(yong)保(bao)(bao)(bao)護(hu)器(qi)(qi)來(lai)說仍超出(chu)額定標(biao)(biao)準的(de)(de)電(dian)(dian)(dian)壓(ya)或電(dian)(dian)(dian)流,所以必須有第(di)二級(ji)(ji)浪(lang)涌(yong)保(bao)(bao)(bao)護(hu)器(qi)(qi)的(de)(de)泄(xie)放才能實(shi)現避雷的(de)(de)安全。通(tong)過前兩級(ji)(ji)浪(lang)涌(yong)保(bao)(bao)(bao)護(hu)器(qi)(qi)的(de)(de)泄(xie)放,目(mu)的(de)(de)是(shi)(shi)將線(xian)路中(zhong)(zhong)的(de)(de)浪(lang)涌(yong)電(dian)(dian)(dian)壓(ya)限制(zhi)在合理的(de)(de)范圍內。在機(ji)(ji)房的(de)(de)電(dian)(dian)(dian)力系(xi)統(tong)中(zhong)(zhong),第(di)一(yi)級(ji)(ji)浪(lang)涌(yong)保(bao)(bao)(bao)護(hu)器(qi)(qi)應(ying)該安裝(zhuang)在總配(pei)(pei)電(dian)(dian)(dian)柜(ju)線(xian)路的(de)(de)上端(duan),同理,第(di)二級(ji)(ji)浪(lang)涌(yong)保(bao)(bao)(bao)護(hu)器(qi)(qi)應(ying)該安裝(zhuang)在分配(pei)(pei)電(dian)(dian)(dian)柜(ju)線(xian)路的(de)(de)上端(duan)位(wei)置。它們都應(ying)該選用符合各自技術標(biao)(biao)準的(de)(de)限壓(ya)型的(de)(de)浪(lang)涌(yong)保(bao)(bao)(bao)護(hu)器(qi)(qi)(第(di)二級(ji)(ji)的(de)(de)浪(lang)涌(yong)保(bao)(bao)(bao)護(hu)器(qi)(qi)的(de)(de)流容量至少不(bu)得少于(yu)20kA)。

3.第三級(ji)浪(lang)涌(yong)(yong)保(bao)護器(qi)是安裝在信息機(ji)房配電(dian)(dian)(dian)(dian)(dian)柜交流電(dian)(dian)(dian)(dian)(dian)源進線(xian)端,和上一級(ji)有(you)類似的作用,即泄放(fang)掉(diao)的剩余電(dian)(dian)(dian)(dian)(dian)壓和本防護級(ji)層中設(she)備及線(xian)路(lu)(lu)(lu)感應到(dao)的浪(lang)涌(yong)(yong)。不同(tong)之(zhi)處(chu)是此級(ji)的浪(lang)涌(yong)(yong)保(bao)護器(qi)技術參數更精(jing)細,對(dui)設(she)備的保(bao)護性能也(ye)更好(hao),要求進一步降(jiang)低線(xian)路(lu)(lu)(lu)中殘存浪(lang)涌(yong)(yong)的電(dian)(dian)(dian)(dian)(dian)壓值,有(you)效保(bao)護設(she)備。此外,本級(ji)浪(lang)涌(yong)(yong)保(bao)護器(qi)選(xuan)用的是串聯式限(xian)壓型電(dian)(dian)(dian)(dian)(dian)源浪(lang)涌(yong)(yong)保(bao)護器(qi),而且(qie)此級(ji)浪(lang)涌(yong)(yong)保(bao)護器(qi)所在的線(xian)路(lu)(lu)(lu)已經(jing)延伸到(dao)機(ji)房內部的配電(dian)(dian)(dian)(dian)(dian)柜,必須做好(hao)接地。

4.第四級(ji)及(ji)四級(ji)以上保(bao)(bao)護(hu)是(shi)(shi)最(zui)后一級(ji)浪(lang)涌保(bao)(bao)護(hu)器(qi),它們安裝在(zai)(zai)機(ji)房各電(dian)(dian)器(qi)設(she)(she)備(bei)的(de)電(dian)(dian)源部分。該等級(ji)的(de)浪(lang)涌保(bao)(bao)護(hu)器(qi)耐壓(ya)(ya)值(zhi)較小,需要(yao)(yao)前級(ji)的(de)處理才能(neng)保(bao)(bao)證其不被燒毀。它主要(yao)(yao)是(shi)(shi)防止機(ji)房電(dian)(dian)氣設(she)(she)備(bei)的(de)敏感元器(qi)件受到影響。在(zai)(zai)機(ji)房中常用(yong)(yong)的(de)運營商光端機(ji)等通(tong)訊設(she)(she)備(bei)和其他的(de)一些電(dian)(dian)氣設(she)(she)備(bei)等所(suo)用(yong)(yong)的(de)整流電(dian)(dian)源,應該根據他們的(de)工作電(dian)(dian)壓(ya)(ya)和設(she)(she)備(bei)參數合(he)理確定所(suo)需的(de)電(dian)(dian)源浪(lang)涌保(bao)(bao)護(hu)器(qi)。

以上(shang)內容(rong)來自(zi)【鈞和電(dian)子?浪涌保護器】分(fen)享(xiang)，更多(duo)相(xiang)關知識(shi)資訊，敬請(qing)關注吉(ji)林省鈞和電(dian)子技術有限(xian)公司（//hld5.cn），我們會(hui)定期更新各類(lei)有關知識(shi)。