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電力變壓器的種類和分類有哪些

發(fa)表(biao)時間: 2019-09-16 09:44:11

作者(zhe): 福州英諾電(dian)子科技(ji)有限(xian)公司


不論是(shi)哪一(yi)種變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi),干式變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)和油浸式變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)都需要用到變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)溫(wen)度(du)控(kong)制(zhi)器(qi)(qi)(qi),所以變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)一(yi)個很重(zhong)要的配(pei)件就是(shi)溫(wen)控(kong)器(qi)(qi)(qi),福州英諾科(ke)技提供變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)溫(wen)控(kong)器(qi)(qi)(qi),歡迎聯系!

電力變壓(ya)器是發、輸、變、配電系(xi)(xi)統中(zhong)的重要設備之一(yi),它的性能、質量直接(jie)關系(xi)(xi)到電力系(xi)(xi)統運行的可靠性和運營效益。

電力變壓器品種

(一)配電變(bian)壓器(qi)(qi)我國(guo)中小型配電變(bian)壓器(qi)(qi)最初是以絕(jue)緣(yuan)油為絕(jue)緣(yuan)介質發展起來的(de);進入(ru)20世紀90年代,干式(shi)變(bian)壓器(qi)(qi)在我國(guo)才有了很(hen)快(kuai)的(de)發展。

(1)油浸式配電(dian)變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器S9系(xi)列(lie)配電(dian)變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器,S11系(xi)列(lie)配電(dian)變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器,卷鐵(tie)(tie)心(xin)配電(dian)變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器,非(fei)晶合(he)金(jin)鐵(tie)(tie)心(xin)變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器。為了使變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器的(de)(de)運(yun)行(xing)更加(jia)完(wan)全、可(ke)靠,維(wei)護更加(jia)簡單,更廣泛地(di)滿足用戶的(de)(de)需要,近年來油浸式變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器采(cai)用了密(mi)(mi)封(feng)(feng)結構(gou),使變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器油和(he)周圍空(kong)氣完(wan)全隔絕,從而提高(gao)了變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器的(de)(de)可(ke)靠性。目前,主要密(mi)(mi)封(feng)(feng)形式有空(kong)氣密(mi)(mi)封(feng)(feng)型(xing)、充(chong)(chong)氮密(mi)(mi)封(feng)(feng)型(xing)和(he)全充(chong)(chong)油密(mi)(mi)封(feng)(feng)型(xing)。其(qi)中全充(chong)(chong)油密(mi)(mi)封(feng)(feng)型(xing)變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器的(de)(de)市場占(zhan)有率越(yue)來越(yue)高(gao),它在絕緣油體積發生變(bian)(bian)(bian)(bian)(bian)(bian)化(hua)時,由波(bo)紋油箱壁或膨脹(zhang)式散(san)熱器的(de)(de)彈性變(bian)(bian)(bian)(bian)(bian)(bian)形做補償。

(2)干(gan)式(shi)(shi)變(bian)(bian)壓器(qi)干(gan)式(shi)(shi)變(bian)(bian)壓器(qi)由于(yu)結構簡單,維護方便,又有防火、難(nan)燃等(deng)特點,我(wo)國(guo)從20世紀50年(nian)代末(mo)即(ji)已開(kai)始生產(chan),但(dan)近10來年(nian)才開(kai)始大批量生產(chan)。干(gan)式(shi)(shi)變(bian)(bian)壓器(qi)種類很多,主要有浸漬(zi)絕(jue)緣干(gan)式(shi)(shi)變(bian)(bian)壓器(qi)和(he)環氧樹脂絕(jue)緣干(gan)式(shi)(shi)變(bian)(bian)壓器(qi)兩類。

箱(xiang)式變(bian)壓器箱(xiang)式變(bian)壓器具有占地少,能伸入負荷中心,減少線路(lu)損耗,提高供(gong)電質量(liang),選位靈活,外形美(mei)觀等(deng)特(te)點(dian),目前(qian)在城市10Kv、35kV電網中大(da)量(liang)應(ying)用。

我國目前(qian)所(suo)使(shi)用的箱(xiang)(xiang)式(shi)變(bian)壓(ya)(ya)器(qi),主要(yao)是歐式(shi)箱(xiang)(xiang)變(bian)和美式(shi)箱(xiang)(xiang)變(bian),前(qian)者(zhe)變(bian)壓(ya)(ya)器(qi)作為(wei)一個單獨的部件,即高壓(ya)(ya)受電(dian)部分、配電(dian)變(bian)壓(ya)(ya)器(qi)、低壓(ya)(ya)配電(dian)部分三位一體。后(hou)者(zhe)結構分為(wei)前(qian)后(hou)兩(liang)部分,前(qian)部分為(wei)接線柜,后(hou)部分為(wei)變(bian)壓(ya)(ya)器(qi)油箱(xiang)(xiang),繞組(zu)、鐵心、高壓(ya)(ya)負荷開關、插入式(shi)熔斷器(qi)、后(hou)備限(xian)流熔斷器(qi)等元器(qi)件均放置在油箱(xiang)(xiang)體內。

目前有些(xie)廠家(jia),已將卷(juan)鐵心變壓(ya)器(qi)移(yi)置到箱式變壓(ya)器(qi)中,使箱式變壓(ya)器(qi)體積和質量(liang)都(dou)有所減小(xiao),實現了高(gao)效、節能和低(di)噪聲級

高(gao)壓、超(chao)高(gao)壓電(dian)(dian)力變壓器目前,我國(guo)已具(ju)備(bei)了110kV、220kV、330kV和500kV高(gao)壓、超(chao)高(gao)壓變壓器生產能力。超(chao)高(gao)壓變壓器的絕(jue)緣(yuan)介質仍以(yi)絕(jue)緣(yuan)油(you)為(wei)主,根據電(dian)(dian)網發(fa)展的需要(yao),變壓器的生產技術正在不斷提(ti)高(gao)。SF6氣體絕(jue)緣(yuan)高(gao)壓、超(chao)高(gao)壓變壓器正在研(yan)究(jiu)開發(fa)。


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