可控矽作為中頻爐設備的重要係統組成部分，一旦出現故障

，往往會導致係統效率下降或停止運行
，嚴重的甚至會造成設備本身的損壞。那麼，中(zhong)頻(pin)爐(lu)可(ke)控(kong)矽(gui)在(zai)平(ping)時(shi)使(shi)用(yong)過(guo)程(cheng)中(zhong)都(dou)經(jing)常(chang)會(hui)出(chu)現(xian)哪(na)些(xie)問(wen)題(ti)？出(chu)現(xian)這(zhe)些(xie)故(gu)障(zhang)的(de)原(yuan)因(yin)有(you)哪(na)些(xie)？今(jin)天(tian)小(xiao)編(bian)為(wei)大(da)家(jia)總(zong)結(jie)了(le)一(yi)些(xie)比(bi)較(jiao)常(chang)見(jian)的(de)可(ke)控(kong)矽(gui)損(sun)壞(huai)原(yuan)因(yin)和(he)診(zhen)斷(duan)經(jing)驗(yan)
，在(zai)這(zhe)裏(li)與(yu)大(da)家(jia)一(yi)起(qi)分(fen)享(xiang)。

 

首(shou)先(xian)我(wo)們(men)來(lai)看(kan)第(di)一(yi)種(zhong)比(bi)較(jiao)經(jing)常(chang)遇(yu)到(dao)的(de)故(gu)障(zhang)問(wen)題(ti)，那(na)就(jiu)是(shi)中(zhong)頻(pin)爐(lu)逆(ni)變(bian)可(ke)控(kong)矽(gui)水(shui)冷(leng)套(tao)內(nei)斷(duan)水(shui)或(huo)散(san)熱(re)效(xiao)果(guo)下(xia)降(jiang)。在(zai)出(chu)現(xian)這(zhe)一(yi)問(wen)題(ti)時(shi)，我(wo)們(men)應(ying)該(gai)做(zuo)的(de)第(di)一(yi)步(bu)檢(jian)修(xiu)步(bu)驟(zhou)就(jiu)是(shi)及(ji)時(shi)更(geng)換(huan)水(shui)冷(leng)套(tao)。有(you)時(shi)觀(guan)察(cha)水(shui)冷(leng)套(tao)的(de)出(chu)水(shui)量(liang)和(he)壓(ya)力(li)是(shi)足(zu)夠(gou)的(de)，但(dan)是(shi)經(jing)常(chang)由(you)於(yu)水(shui)質(zhi)的(de)問(wen)題(ti)，在(zai)水(shui)冷(leng)套(tao)的(de)壁(bi)上(shang)會(hui)附(fu)著(zhe)一(yi)層(ceng)水(shui)垢(gou)，由(you)於(yu)水(shui)垢(gou)是(shi)一(yi)種(zhong)導(dao)熱(re)性(xing)極(ji)差(cha)的(de)物(wu)體(ti)，雖(sui)然(ran)有(you)足(zu)夠(gou)的(de)水(shui)流(liu)量(liang)流(liu)過(guo)
，但(dan)因(yin)為(wei)水(shui)垢(gou)的(de)隔(ge)離(li)使(shi)其(qi)散(san)熱(re)效(xiao)果(guo)大(da)大(da)降(jiang)低(di)。其(qi)判(pan)斷(duan)方(fang)法(fa)是(shi)將(jiang)功(gong)率(lv)運(yun)行(xing)在(zai)較(jiao)低(di)於(yu)該(gai)過(guo)流(liu)值(zhi)的(de)功(gong)率(lv)下(xia)約(yue)十(shi)分(fen)鍾(zhong)，迅(xun)速(su)停(ting)機(ji)，停(ting)機(ji)後(hou)迅(xun)速(su)用(yong)手(shou)觸(chu)摸(mo)可(ke)控(kong)矽(gui)元(yuan)件(jian)的(de)芯(xin)部(bu)，若(ruo)感(gan)覺(jiao)到(dao)燙(tang)手(shou)，則(ze)該(gai)故(gu)障(zhang)是(shi)由(you)此(ci)原(yuan)因(yin)引(yin)起(qi)的(de)。

 

第二種經常遇到的中頻爐可控矽故障現象，相信很多工程師都曾經遇到過，那就是槽路連接導線youjiechubuliangheduanxianqingkuang。yudaozhezhongwentishi
，gongchengjishurenyuanxuyaoquanmianjianzhacaolulianjiedaoxian，genjushijiqingkuangzhuoqingchuli。dangcaolulianjiedaoxianyoujiechubulianghuoduanxianqingkuangshi，gonglvshengdaoyidingzhihouhuichanshengdahuoxianxiang，yingxiangleshebeidezhengchanggongzuo

，congerdaozhishebeibaohudongzuo。youshiyindahuoshihuizaikekongguiliangduanchanshengshunshiguodianya，ruguoguoyabaohudongzuolaibuji，huishaohuaikekongguiyuanjian。gaixianxiangjingchanghuichuxianguodianya、過電流同時動作。

 

haiyouyizhongkekongguiguzhangshizaipingshidegongzuoguochengzhongbijiaochangjiande，najiushimaichongchufahuiluguzhang。zaishebeiyunxingshiruguoturandiushichufamaichong
，jiangzaochengnibiankailu，zhongpindianyuanshuchuduanchanshenggaoya
，shaohuaikekongguiyuanjian。zhezhongguzhangyibanshinibianmaichongxingchengshuchudianluguzhang，keyongshiboqijinxingjianzha，yekenengshinibianmaichongyinxianjiechubuliang，keyongshouyaohuangdaoxianjietou，zhaochuguzhangweizhi。

 

可ke控kong矽gui冷leng卻que係xi統tong故gu障zhang也ye同tong樣yang是shi在zai中zhong頻pin爐lu運yun行xing過guo程cheng中zhong，比bi較jiao多duo發fa的de故gu障zhang問wen題ti之zhi一yi。由you於yu可ke控kong矽gui在zai工gong作zuo時shi發fa熱re量liang很hen大da
，需xu要yao對dui其qi冷leng卻que才cai能neng保bao證zheng正zheng常chang工gong作zuo
，一yi般ban可ke控kong矽gui的de冷leng卻que有you兩liang種zhong方fang式shi：一種是水冷
，另一種是風冷。水冷的應用較為廣泛，風冷一般隻用於100KWyixiadedianyuanshebei。tongchangcaiyongshuilengfangshidezhongpinshebeijunsheyoushuiyabaohudianlu
，danjibenshangdoushikaojinshuidebaohu，ruomouyiluchuxianshuidu，shiwufabaohude。

 

chuleshangmiantijidejizhongkekongguichangjianguzhangzhiwai
，diankangqiguzhangzaiyixiebijiaolaodezhongpinlushebeizhongyebijiaoduofa。youyudiankangqineibudahuozaochengnibiancededianliuduanxu，yinciyehuizainibianshurucechanshenggaoyashaohuaikekonggui。lingwai

，ruguozaiweixiuzhonggenghuanlediankangqi
，erdiankangqidedianganliang
、鐵芯麵積小於要求值

，會使電抗器在大電流工作時，因飽和失去限流作用燒壞可控矽。