常(chang)(chang)見(jian)故(gu)(gu)障(zhang)的主(zhu)要(yao)原因如(ru)下：不能(neng)(neng)儲(chu)(chu)(chu)存能(neng)(neng)量：不能(neng)(neng)儲(chu)(chu)(chu)存能(neng)(neng)量是(shi)(shi)(shi)真(zhen)空(kong)(kong)接(jie)(jie)觸(chu)(chu)器的常(chang)(chang)見(jian)故(gu)(gu)障(zhang)之一，尤其是(shi)(shi)(shi)由棘輪和(he)棘爪(zhua)驅動(dong)(dong)的儲(chu)(chu)(chu)能(neng)(neng)機(ji)構，故(gu)(gu)障(zhang)概率高(gao)(gao)。為(wei)了完成儲(chu)(chu)(chu)能(neng)(neng)動(dong)(dong)作，儲(chu)(chu)(chu)能(neng)(neng)機(ji)構主(zhu)要(yao)依賴于儲(chu)(chu)(chu)能(neng)(neng)電機(ji)、驅動(dong)(dong)機(ji)構和(he)定位部件(jian)三個(ge)環(huan)節(jie)。牢牢把握這三個(ge)環(huan)節(jie)，就(jiu)很容(rong)易找出故(gu)(gu)障(zhang)的癥結所在(zai)。無(wu)合(he)閘(zha)(zha)動(dong)(dong)作：如(ru)果真(zhen)空(kong)(kong)接(jie)(jie)觸(chu)(chu)器不想發生合(he)閘(zha)(zha)動(dong)(dong)作故(gu)(gu)障(zhang)，主(zhu)要(yao)關系到合(he)閘(zha)(zha)電磁鐵是(shi)(shi)(shi)否吸(xi)合(he)，儲(chu)(chu)(chu)能(neng)(neng)是(shi)(shi)(shi)否到位，定位部件(jian)是(shi)(shi)(shi)否正(zheng)常(chang)(chang)工作。巧合(he)：有(you)一個(ge)關閉(bi)動(dong)(dong)作，但(dan)關門被(bei)稱(cheng)為(wei)空(kong)(kong)。在(zai)分(fen)析(xi)真(zhen)空(kong)(kong)接(jie)(jie)觸(chu)(chu)器故(gu)(gu)障(zhang)時，必須從關閉(bi)和(he)保持(chi)（鎖定）開始(shi)，然后分(fen)析(xi)是(shi)(shi)(shi)否與儲(chu)(chu)(chu)能(neng)(neng)部件(jian)有(you)關。無(wu)開路(lu)：這里要(yao)強調的是(shi)(shi)(shi)，當接(jie)(jie)觸(chu)(chu)器被(bei)拒收或關閉(bi)時，在(zai)對接(jie)(jie)觸(chu)(chu)器主(zhu)體進(jin)行分(fen)析(xi)和(he)維(wei)修之前，要(yao)充(chong)分(fen)判(pan)斷原因是(shi)(shi)(shi)否在(zai)于控制和(he)輔助開關、端子條等二次元件(jian)等方面。然后進(jin)行接(jie)(jie)觸(chu)(chu)器分(fen)析(xi)和(he)診斷。真(zhen)空(kong)(kong)接(jie)(jie)觸(chu)(chu)器可靠地切斷故(gu)(gu)障(zhang)電弧(hu)，提(ti)高(gao)(gao)電力系統的安全性。無(wu)錫(xi)單相高(gao)(gao)壓真(zhen)空(kong)(kong)接(jie)(jie)觸(chu)(chu)器企(qi)業

無論(lun)是(shi)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)接(jie)觸(chu)(chu)器(qi)也(ye)好還是(shi)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)斷(duan)(duan)路器(qi)也(ye)罷，說白(bai)了空(kong)(kong)(kong)(kong)(kong)氣(qi)斷(duan)(duan)路器(qi)和(he)(he)接(jie)觸(chu)(chu)器(qi)相比(bi)大家(jia)都了解，其實(shi)它們的(de)作用(yong)(yong)基本上都是(shi)相類似(si)的(de)。真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)所指的(de)只不過(guo)就(jiu)是(shi)將滅(mie)(mie)弧(hu)單元放置到(dao)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)環(huan)境中而已，空(kong)(kong)(kong)(kong)(kong)氣(qi)所指的(de)是(shi)利用(yong)(yong)空(kong)(kong)(kong)(kong)(kong)氣(qi)介質完成(cheng)滅(mie)(mie)弧(hu)。而真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)滅(mie)(mie)弧(hu)無非(fei)就(jiu)是(shi)增加了對環(huan)境的(de)適應(ying)性，同時(shi)也(ye)是(shi)因為真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)絕緣(yuan)性能(neng)(neng)(neng)和(he)(he)滅(mie)(mie)弧(hu)性能(neng)(neng)(neng)都表現(xian)比(bi)其它滅(mie)(mie)弧(hu)效果要好一些(xie)，所以得到(dao)應(ying)用(yong)(yong)的(de)場所普遍(bian)也(ye)都是(shi)看重這個性能(neng)(neng)(neng)要求(qiu)的(de)。真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)接(jie)觸(chu)(chu)器(qi)可(ke)起(qi)到(dao)切斷(duan)(duan)負載電流(liu)、可(ke)頻繁操(cao)作（起(qi)、停電動機）、可(ke)頻繁接(jie)通(tong)和(he)(he)分斷(duan)(duan)較大電流(liu)等作用(yong)(yong)，在(zai)這些(xie)方面(mian)能(neng)(neng)(neng)力(li)比(bi)較強同時(shi)額定操(cao)作電壓(ya)也(ye)相對較高(gao)(gao)(gao)，若是(shi)在(zai)高(gao)(gao)(gao)壓(ya)環(huan)境建議(yi)和(he)(he)高(gao)(gao)(gao)壓(ya)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)斷(duan)(duan)路器(qi)配合使用(yong)(yong)，這樣(yang)會更加安全和(he)(he)有保(bao)障。真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)斷(duan)(duan)路器(qi)可(ke)起(qi)到(dao)過(guo)載保(bao)護(hu)、短路保(bao)護(hu)、控(kong)(kong)制(zhi)保(bao)護(hu)以及聯(lian)鎖保(bao)護(hu)等作用(yong)(yong)，因此(ci)在(zai)這些(xie)方面(mian)相對于(yu)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)接(jie)觸(chu)(chu)器(qi)要強且有區別。在(zai)高(gao)(gao)(gao)壓(ya)領域比(bi)較常(chang)用(yong)(yong)的(de)是(shi)SF6真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)斷(duan)(duan)路器(qi)，一般(ban)被(bei)應(ying)用(yong)(yong)于(yu)110kV以上高(gao)(gao)(gao)壓(ya)電路中。廣州臥式高(gao)(gao)(gao)壓(ya)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)接(jie)觸(chu)(chu)器(qi)高(gao)(gao)(gao)壓(ya)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)接(jie)觸(chu)(chu)器(qi)是(shi)一種常(chang)用(yong)(yong)的(de)電力(li)設備，用(yong)(yong)于(yu)控(kong)(kong)制(zhi)和(he)(he)保(bao)護(hu)高(gao)(gao)(gao)壓(ya)電力(li)系統。

真空(kong)(kong)(kong)接(jie)(jie)(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)(qi)(qi)普遍應用于采(cai)礦、冶金、紡(fang)織及(ji)電(dian)力等企業(ye)的(de)(de)(de)配電(dian)系(xi)統(tong)(tong)中(zhong)，是完成(cheng)電(dian)能(neng)(neng)轉換、分配與控(kong)制(zhi)功能(neng)(neng)的(de)(de)(de)重(zhong)要(yao)電(dian)氣設備。由于真空(kong)(kong)(kong)接(jie)(jie)(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)觸(chu)(chu)頭(tou)系(xi)統(tong)(tong)由陶(tao)瓷或玻璃密封在(zai)真空(kong)(kong)(kong)環境中(zhong)，其散(san)熱(re)方式(shi)以熱(re)傳導為主，散(san)熱(re)效率不高，所以在(zai)負載(zai)電(dian)流較(jiao)高時會(hui)出現(xian)嚴(yan)重(zhong)的(de)(de)(de)發熱(re)問(wen)題(ti)(ti)。溫(wen)升(sheng)(sheng)過高不只危(wei)害導體(ti)機械(xie)強度(du)，帶(dai)來熔焊(han)、疲勞及(ji)蠕變等問(wen)題(ti)(ti)，而且裸露在(zai)空(kong)(kong)(kong)氣中(zhong)的(de)(de)(de)部分材料表面還將變得易于氧(yang)化，生成(cheng)的(de)(de)(de)氧(yang)化物(wu)又會(hui)增(zeng)加連接(jie)(jie)(jie)(jie)位置的(de)(de)(de)接(jie)(jie)(jie)(jie)觸(chu)(chu)電(dian)阻(zu)進(jin)而影響真空(kong)(kong)(kong)接(jie)(jie)(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)(qi)(qi)接(jie)(jie)(jie)(jie)觸(chu)(chu)系(xi)統(tong)(tong)的(de)(de)(de)電(dian)阻(zu)及(ji)電(dian)氣性能(neng)(neng)，此(ci)外，嚴(yan)重(zhong)發熱(re)還將增(zeng)加絕(jue)緣的(de)(de)(de)介質(zhi)損耗，加速部件老化，影響使用壽命。接(jie)(jie)(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)(qi)(qi)和(he)(he)電(dian)動(dong)機起動(dong)器(qi)(qi)(qi)(qi)(qi)機電(dian)式(shi)接(jie)(jie)(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)(qi)(qi)和(he)(he)電(dian)動(dong)機起動(dong)器(qi)(qi)(qi)(qi)(qi)（含電(dian)動(dong)機保護(hu)器(qi)(qi)(qi)(qi)(qi)）》中(zhong)對(dui)交(jiao)流接(jie)(jie)(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)(qi)(qi)溫(wen)升(sheng)(sheng)試驗的(de)(de)(de)相關(guan)要(yao)求，對(dui)交(jiao)流接(jie)(jie)(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)發熱(re)部件規(gui)定了溫(wen)升(sheng)(sheng)允許極限值為65K，部分企業(ye)還提出了50K等更嚴(yan)苛的(de)(de)(de)指標(biao)要(yao)求。因此(ci)，系(xi)統(tong)(tong)測量(liang)真空(kong)(kong)(kong)接(jie)(jie)(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)(qi)(qi)溫(wen)升(sheng)(sheng)特性及(ji)準確模(mo)擬真空(kong)(kong)(kong)接(jie)(jie)(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)(qi)(qi)觸(chu)(chu)頭(tou)系(xi)統(tong)(tong)發熱(re)的(de)(de)(de)物(wu)理過程對(dui)于真空(kong)(kong)(kong)接(jie)(jie)(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)(qi)(qi)向小型化、大容量(liang)方向發展具有重(zhong)要(yao)意義。

1140V真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)接(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)的(de)工(gong)作(zuo)(zuo)原(yuan)理：當接(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)線圈通(tong)電(dian)(dian)后，線圈電(dian)(dian)流(liu)(liu)生(sheng)磁(ci)場，使(shi)靜鐵心產(chan)生(sheng)電(dian)(dian)磁(ci)吸(xi)力(li)吸(xi)引動(dong)鐵心，并帶(dai)動(dong)觸(chu)(chu)(chu)點動(dong)作(zuo)(zuo)：常(chang)(chang)閉(bi)觸(chu)(chu)(chu)點斷(duan)開(kai)(kai)，常(chang)(chang)開(kai)(kai)觸(chu)(chu)(chu)點閉(bi)合，兩者是(shi)聯動(dong)的(de)。當線圈斷(duan)電(dian)(dian)時(shi)(shi)，電(dian)(dian)磁(ci)吸(xi)力(li)消失，銜鐵在(zai)釋放彈簧的(de)作(zuo)(zuo)用下(xia)釋放，使(shi)觸(chu)(chu)(chu)點復原(yuan)：常(chang)(chang)開(kai)(kai)觸(chu)(chu)(chu)點斷(duan)開(kai)(kai)，常(chang)(chang)閉(bi)觸(chu)(chu)(chu)點閉(bi)合。與交流(liu)(liu)接(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)工(gong)作(zuo)(zuo)原(yuan)理相同，不(bu)(bu)同之處在(zai)于(yu)交流(liu)(liu)接(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)的(de)吸(xi)引線圈由(you)交流(liu)(liu)電(dian)(dian)源供電(dian)(dian)，真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)接(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)的(de)吸(xi)引線圈由(you)直(zhi)流(liu)(liu)電(dian)(dian)源供電(dian)(dian)，另外由(you)于(yu)通(tong)入真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)接(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)線圈是(shi)直(zhi)流(liu)(liu)電(dian)(dian)，直(zhi)流(liu)(liu)電(dian)(dian)沒有瞬時(shi)(shi)值，在(zai)任意時(shi)(shi)刻有效值都(dou)是(shi)相等的(de)，沒有過零點，因(yin)此真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)接(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)銜鐵上(shang)不(bu)(bu)用加裝防止(zhi)過零點電(dian)(dian)壓較(jiao)(jiao)低產(chan)生(sheng)的(de)吸(xi)合力(li)較(jiao)(jiao)小(xiao)，造成(cheng)接(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)震動(dong)聲音(yin)大(da)等現象的(de)短(duan)路環(huan)。真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)接(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)它是(shi)屬于(yu)一種(zhong)(zhong)可(ke)以承受(shou)反復操(cao)作(zuo)(zuo)的(de)裝置（機械壽命強），同時(shi)(shi)可(ke)以起(qi)到(dao)切斷(duan)負載電(dian)(dian)流(liu)(liu)的(de)作(zuo)(zuo)用，但是(shi)不(bu)(bu)能(neng)夠(gou)起(qi)到(dao)開(kai)(kai)斷(duan)短(duan)路電(dian)(dian)流(liu)(liu)的(de)作(zuo)(zuo)用（要記清這點）。真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)接(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)具備了(le)常(chang)(chang)開(kai)(kai)和常(chang)(chang)閉(bi)兩種(zhong)(zhong)觸(chu)(chu)(chu)點，且不(bu)(bu)具有短(duan)路電(dian)(dian)流(liu)(liu)保護(hu)功(gong)能(neng)，能(neng)夠(gou)在(zai)接(jie)(jie)受(shou)到(dao)給定信號時(shi)(shi)來執行分開(kai)(kai)和保持動(dong)作(zuo)(zuo)。高壓真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)接(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)的(de)操(cao)作(zuo)(zuo)系統可(ke)靠，并具備過載保護(hu)功(gong)能(neng)，防止(zhi)設備損壞。

真(zhen)(zhen)(zhen)空(kong)(kong)(kong)接(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)是(shi)(shi)一(yi)種電氣(qi)設(she)備，用(yong)于控(kong)制(zhi)電路的(de)(de)開關(guan)(guan)。它由(you)接(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)本體、氣(qi)密(mi)(mi)密(mi)(mi)封部(bu)件(jian)、真(zhen)(zhen)(zhen)空(kong)(kong)(kong)開關(guan)(guan)機構(gou)等(deng)組(zu)成(cheng)。真(zhen)(zhen)(zhen)空(kong)(kong)(kong)接(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)的(de)(de)優點(dian)是(shi)(shi)結構(gou)簡單、開斷能力強、使(shi)(shi)用(yong)壽(shou)命長等(deng)特(te)點(dian)，但在(zai)使(shi)(shi)用(yong)過程中(zhong)，由(you)于環(huan)境影響等(deng)原因，難(nan)免會(hui)出現(xian)燒(shao)毀(hui)(hui)的(de)(de)問題。因此，如何防(fang)止真(zhen)(zhen)(zhen)空(kong)(kong)(kong)接(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)燒(shao)毀(hui)(hui)，是(shi)(shi)每一(yi)個電氣(qi)工程師和(he)(he)相關(guan)(guan)人士需要(yao)(yao)關(guan)(guan)注和(he)(he)解(jie)決的(de)(de)問題。為了(le)防(fang)止真(zhen)(zhen)(zhen)空(kong)(kong)(kong)接(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)燒(shao)毀(hui)(hui)，首(shou)先要(yao)(yao)保(bao)(bao)證接(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)的(de)(de)質量。選擇堅(jian)固、可(ke)靠，品質優良的(de)(de)接(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)。這可(ke)以(yi)(yi)從制(zhi)造商的(de)(de)口碑和(he)(he)產品質量保(bao)(bao)證等(deng)方面入(ru)手。其(qi)(qi)次(ci)，要(yao)(yao)嚴格按照接(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)的(de)(de)使(shi)(shi)用(yong)要(yao)(yao)求進(jin)行安(an)裝，尤(you)其(qi)(qi)是(shi)(shi)在(zai)接(jie)(jie)線(xian)部(bu)分，嚴格控(kong)制(zhi)接(jie)(jie)線(xian)的(de)(de)質量和(he)(he)規范，保(bao)(bao)證接(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)在(zai)正常(chang)(chang)情況(kuang)(kuang)下能夠正常(chang)(chang)工作。其(qi)(qi)次(ci)，在(zai)日常(chang)(chang)維護中(zhong)，要(yao)(yao)對(dui)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)接(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)進(jin)行保(bao)(bao)養和(he)(he)維護，尤(you)其(qi)(qi)是(shi)(shi)在(zai)高(gao)溫高(gao)壓環(huan)境下使(shi)(shi)用(yong)時，要(yao)(yao)經(jing)常(chang)(chang)進(jin)行檢(jian)(jian)查和(he)(he)清潔(jie)。在(zai)檢(jian)(jian)查時，要(yao)(yao)特(te)別關(guan)(guan)注真(zhen)(zhen)(zhen)空(kong)(kong)(kong)接(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)的(de)(de)接(jie)(jie)觸(chu)(chu)面和(he)(he)內部(bu)絕緣(yuan)子，以(yi)(yi)保(bao)(bao)證其(qi)(qi)表面光潔(jie)、無(wu)雜質，不會(hui)導致接(jie)(jie)觸(chu)(chu)不良。如果發現(xian)接(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)有異(yi)常(chang)(chang)情況(kuang)(kuang)，要(yao)(yao)及(ji)時進(jin)行處理，包括更換損壞的(de)(de)零部(bu)件(jian)、修復(fu)損壞的(de)(de)絕緣(yuan)面等(deng)等(deng)。真(zhen)(zhen)(zhen)空(kong)(kong)(kong)接(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)的(de)(de)操作機構(gou)靈(ling)活，可(ke)以(yi)(yi)實(shi)現(xian)手動或自動操作方式。廣州臥式高(gao)壓真(zhen)(zhen)(zhen)空(kong)(kong)(kong)接(jie)(jie)觸(chu)(chu)器(qi)(qi)(qi)

真(zhen)(zhen)空(kong)接觸器的操作(zuo)機構(gou)靈(ling)活多樣，適應不同應用場景(jing)的需求。無錫(xi)單相高壓真(zhen)(zhen)空(kong)接觸器企(qi)業

不同(tong)負載(zai)下交(jiao)流(liu)(liu)(liu)接(jie)(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)(qi)的(de)選用：為(wei)了使(shi)接(jie)(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)(qi)不會(hui)發生觸(chu)(chu)(chu)頭粘連燒蝕，延長接(jie)(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)(qi)壽(shou)命，接(jie)(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)(qi)要(yao)躲(duo)過(guo)負載(zai)啟(qi)動較大(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)，還(huan)要(yao)考慮(lv)到啟(qi)動時(shi)間的(de)長短(duan)等(deng)不利因數(shu)，因此(ci)(ci)要(yao)對接(jie)(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)(qi)通斷運行的(de)負載(zai)進(jin)行分(fen)析，根據負載(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣特點和此(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力系統(tong)的(de)實際情況(kuang)，對不同(tong)的(de)負載(zai)啟(qi)停電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)進(jin)行計算(suan)校(xiao)合。1、控(kong)制電(dian)(dian)(dian)(dian)(dian)(dian)(dian)熱(re)設(she)備(bei)(bei)用交(jiao)流(liu)(liu)(liu)接(jie)(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)(qi)的(de)選用。這類(lei)(lei)設(she)備(bei)(bei)有電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)爐、調(diao)溫設(she)備(bei)(bei)等(deng)，其電(dian)(dian)(dian)(dian)(dian)(dian)(dian)熱(re)元(yuan)件(jian)(jian)負載(zai)中用的(de)繞(rao)線電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)元(yuan)件(jian)(jian)，接(jie)(jie)(jie)通電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)可(ke)達(da)額定電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)的(de)1.4倍(bei)，如果考慮(lv)到電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓升(sheng)高等(deng)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)還(huan)會(hui)變大(da)(da)。此(ci)(ci)類(lei)(lei)負載(zai)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)波動范圍很(hen)小，按(an)使(shi)用類(lei)(lei)別(bie)屬(shu)于AC-1，操(cao)作(zuo)也(ye)不頻繁，選用接(jie)(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)(qi)時(shi)只要(yao)按(an)照(zhao)接(jie)(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)(qi)的(de)額定工作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)It·h等(deng)于或大(da)(da)于電(dian)(dian)(dian)(dian)(dian)(dian)(dian)熱(re)設(she)備(bei)(bei)的(de)工作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)1.2倍(bei)即可(ke)。2、控(kong)制照(zhao)明(ming)(ming)設(she)備(bei)(bei)用的(de)接(jie)(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)(qi)的(de)選用。照(zhao)明(ming)(ming)設(she)備(bei)(bei)的(de)種(zhong)類(lei)(lei)很(hen)多，不同(tong)類(lei)(lei)型的(de)照(zhao)明(ming)(ming)設(she)備(bei)(bei)、啟(qi)動電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)和啟(qi)動時(shi)間也(ye)不一樣。此(ci)(ci)類(lei)(lei)負載(zai)使(shi)用類(lei)(lei)別(bie)為(wei)AC-5a或AC-5b.如果啟(qi)動時(shi)間很(hen)短(duan)，可(ke)選擇其發熱(re)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)Ith等(deng)于照(zhao)明(ming)(ming)設(she)備(bei)(bei)工作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)1.1倍(bei)。啟(qi)動時(shi)間較長以及(ji)功率因數(shu)較低，可(ke)選擇其發熱(re)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)Ith比(bi)照(zhao)明(ming)(ming)設(she)備(bei)(bei)工作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)大(da)(da)一些。無(wu)錫單(dan)相高壓真空接(jie)(jie)(jie)觸(chu)(chu)(chu)器(qi)(qi)(qi)(qi)企業(ye)

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