夏季是雷雨多發季節，對於並聯式的高壓電容、高(gao)壓(ya)電(dian)容(rong)器(qi)組(zu)來(lai)說(shuo)，也(ye)是(shi)最(zui)容(rong)易(yi)出(chu)現(xian)雷(lei)擊(ji)故(gu)障(zhang)或(huo)過(guo)電(dian)壓(ya)過(guo)大(da)等(deng)情(qing)況(kuang)的(de)季(ji)節(jie)。為(wei)了(le)避(bi)免(mian)出(chu)現(xian)較(jiao)大(da)的(de)機(ji)體(ti)故(gu)障(zhang)或(huo)係(xi)統(tong)故(gu)障(zhang)損(sun)失(shi)，工(gong)程(cheng)師(shi)需(xu)要(yao)及(ji)時(shi)的(de)為(wei)高(gao)壓(ya)電(dian)容(rong)組(zu)選(xuan)擇(ze)和(he)安(an)裝(zhuang)避(bi)雷(lei)器(qi)。

youyuxiajileidiangaofa，jiazhigaowengaoshidehuanjingyinsu
，henrongyizaochengbinglianshidegaoyadianrongqizufashengguodianyaguodadewenti。zaikaiguanfenzhaguochengzhong
，chuantongdebinglianshidianrongqizuhenrongyixingchengdianhuzhongranguodianya。womenjiashekaiguanzaidianyazuidazhi
，dianliuguolingshidianhuhuibeiximie，gaoyadianrongqiyejianghuichuyuchongdianzhuangtai
，qidianyabaochizaixitongdianyadezuigaozhi。cishikaiguanchutoujiandedianyafenbieyoulianggedianyazhizucheng
，yiweidianrongqidianya，lingyigeweidianyuandianya
，yincidangdianyuanbianweifudezuidazhishi，chutoujiandedianyayehuibianchengdianyuandianyade2倍。

假(jia)如(ru)開(kai)關(guan)彈(dan)跳(tiao)或(huo)分(fen)閘(zha)速(su)度(du)慢(man)且(qie)滅(mie)弧(hu)性(xing)能(neng)不(bu)好(hao)
，開(kai)關(guan)弧(hu)隙(xi)絕(jue)緣(yuan)恢(hui)複(fu)的(de)速(su)度(du)低(di)於(yu)恢(hui)複(fu)電(dian)壓(ya)增(zeng)長(chang)的(de)速(su)度(du)，那(na)麼(me)開(kai)關(guan)弧(hu)隙(xi)將(jiang)被(bei)擊(ji)穿(chuan)，這(zhe)時(shi)形(xing)成(cheng)電(dian)弧(hu)重(zhong)燃(ran)
，它(ta)的(de)過(guo)電(dian)壓(ya)可(ke)達(da)額(e)定(ding)值(zhi)的(de)4.5—5倍左右。

了le解jie了le過guo電dian壓ya過guo高gao問wen題ti所suo產chan生sheng的de原yuan因yin
，接jie下xia來lai我wo們men需xu要yao依yi據ju現xian實shi狀zhuang況kuang來lai進jin行xing避bi雷lei器qi的de選xuan擇ze和he設she置zhi。通tong常chang情qing況kuang來lai看kan

，隻zhi要yao電dian源yuan不bu是shi架jia空kong線xian路lu引yin入ru，保bao護hu電dian容rong器qi的de避bi雷lei器qi最zui好hao采cai用yong氧yang化hua鋅xin避bi雷lei器qi。之zhi所suo以yi選xuan擇ze氧yang化hua鋅xin避bi雷lei器qi，是shi因yin為wei普pu通tong閥fa型xing避bi雷lei器qi在zai過guo電dian壓ya值zhi低di於yu避bi雷lei器qi的de放fang電dian電dian壓ya時shi，衝chong擊ji過guo電dian壓ya會hui迫po使shi電dian容rong器qi充chong電dian。直zhi到dao過guo電dian壓ya值zhi達da到dao避bi雷lei器qi的de放fang電dian電dian壓ya時shi，閥fa型xing避bi雷lei器qi的de間jian隙xi被bei擊ji穿chuan
，這zhe時shi電dian容rong器qi將jiang對dui避bi雷lei器qi放fang電dian。

由(you)於(yu)電(dian)容(rong)器(qi)與(yu)避(bi)雷(lei)器(qi)間(jian)阻(zu)抗(kang)很(hen)低(di)，雷(lei)電(dian)流(liu)和(he)電(dian)容(rong)器(qi)放(fang)電(dian)電(dian)流(liu)的(de)綜(zong)合(he)值(zhi)很(hen)大(da)，有(you)可(ke)能(neng)損(sun)壞(huai)電(dian)容(rong)器(qi)和(he)避(bi)雷(lei)器(qi)
，故(gu)一(yi)般(ban)避(bi)雷(lei)器(qi)不(bu)能(neng)滿(man)足(zu)高(gao)壓(ya)電(dian)容(rong)器(qi)的(de)要(yao)求(qiu)。目(mu)前(qian)國(guo)內(nei)的(de)戶(hu)外(wai)高(gao)壓(ya)並(bing)聯(lian)式(shi)電(dian)容(rong)器(qi)組(zu)在(zai)防(fang)雷(lei)擊(ji)方(fang)麵(mian)
，多(duo)采(cai)用(yong)具(ju)有(you)殘(can)壓(ya)低(di)、通流大
、時間響應快
、能連續動作、壽命又長的氧化鋅避雷器。

結語

gongchengshizaijinxinggaoyadianrongdebinglianshishejishi，jiuxuyaochongfenkaolvdaohuwaiyinsudeyingxiang

，ranhouyijuyaoqiulaihelishezhibileiqi，youxiaofangzhixiajigaowengaoshihuanjingxialeijiheguodianyaguoda。

相關閱讀：

菜鳥進階必知項：數字型/M型高壓電容電橋知識大放送
DIY：自製低成本、耐壓的50KV高壓電容
傳法解疑：教你用高壓電容器改善線路功率因數