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油浸式變壓器漏磁發熱引起溫度升高不容小視

發(fa)表(biao)時間(jian): 2020-07-27 14:25:27

作者: 福州英諾





福州(zhou)英諾電子科技提供變壓器(qi)(qi)溫度(du)控制(zhi)器(qi)(qi),價格合理,歡(huan)迎(ying)聯(lian)系(xi)。

電(dian)(dian)(dian)力(li)變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)是(shi)電(dian)(dian)(dian)力(li)系(xi)統中(zhong)的(de)(de)(de)(de)核心設備(bei),其(qi)電(dian)(dian)(dian)氣工作(zuo)(zuo)結(jie)構主要包括繞組(zu)、鐵芯(xin)和(he)絕緣(yuan)(yuan)。變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)工作(zuo)(zuo)時,變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)初級(ji)繞組(zu)通(tong)過交流電(dian)(dian)(dian)流產(chan)(chan)生(sheng)(sheng)磁(ci)(ci)(ci)通(tong),磁(ci)(ci)(ci)通(tong)依靠導(dao)(dao)磁(ci)(ci)(ci)性能(neng)良好(hao)的(de)(de)(de)(de)鐵芯(xin)材(cai)料(liao)形成(cheng)磁(ci)(ci)(ci)場通(tong)道(dao),鐵芯(xin)中(zhong)交變(bian)(bian)的(de)(de)(de)(de)磁(ci)(ci)(ci)場因(yin)電(dian)(dian)(dian)磁(ci)(ci)(ci)感應作(zuo)(zuo)用又(you)在(zai)(zai)變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)次級(ji)繞組(zu)中(zhong)感應電(dian)(dian)(dian)動勢形成(cheng)電(dian)(dian)(dian)場,變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)因(yin)此(ci)也(ye)(ye)就(jiu)完成(cheng)電(dian)(dian)(dian)磁(ci)(ci)(ci)和(he)磁(ci)(ci)(ci)電(dian)(dian)(dian)轉換,進而實(shi)現電(dian)(dian)(dian)能(neng)傳(chuan)輸的(de)(de)(de)(de)工作(zuo)(zuo)要求。當然,變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)能(neng)安全工作(zuo)(zuo)的(de)(de)(de)(de)前提條(tiao)(tiao)件(jian)是(shi),變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)結(jie)構中(zhong)的(de)(de)(de)(de)絕緣(yuan)(yuan)材(cai)料(liao)必須具(ju)有(you)良好(hao)的(de)(de)(de)(de)絕緣(yuan)(yuan)性能(neng),而在(zai)(zai)實(shi)際生(sheng)(sheng)產(chan)(chan)中(zhong),影響變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)絕緣(yuan)(yuan)性能(neng)的(de)(de)(de)(de)主要因(yin)素之(zhi)(zhi)一就(jiu)是(shi)變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)發(fa)(fa)熱(re)。當變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)發(fa)(fa)熱(re)時,變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)絕緣(yuan)(yuan)材(cai)料(liao)因(yin)處(chu)在(zai)(zai)較高溫(wen)(wen)度下(xia),構成(cheng)絕緣(yuan)(yuan)的(de)(de)(de)(de)分子(zi)或原子(zi)更(geng)加活躍(yue),產(chan)(chan)生(sheng)(sheng)電(dian)(dian)(dian)荷(he)的(de)(de)(de)(de)可能(neng)性增加,導(dao)(dao)電(dian)(dian)(dian)能(neng)力(li)上升;同(tong)時,高溫(wen)(wen)的(de)(de)(de)(de)環(huan)境條(tiao)(tiao)件(jian)也(ye)(ye)會使絕緣(yuan)(yuan)材(cai)料(liao)發(fa)(fa)生(sheng)(sheng)化(hua)學(xue)變(bian)(bian)化(hua),產(chan)(chan)生(sheng)(sheng)氣體和(he)其(qi)它導(dao)(dao)電(dian)(dian)(dian)粒子(zi)等(deng),從而使變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)絕緣(yuan)(yuan)材(cai)料(liao)性能(neng)大(da)為(wei)下(xia)降,易(yi)造成(cheng)變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)放電(dian)(dian)(dian)和(he)擊穿事故等(deng)。變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)因(yin)漏(lou)(lou)磁(ci)(ci)(ci)造成(cheng)的(de)(de)(de)(de)發(fa)(fa)熱(re)屬于(yu)變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)發(fa)(fa)熱(re)的(de)(de)(de)(de)一種類(lei)型(xing),盡管此(ci)類(lei)發(fa)(fa)熱(re)不是(shi)變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)發(fa)(fa)熱(re)中(zhong)最嚴(yan)重(zhong)的(de)(de)(de)(de)情況(kuang),但是(shi),此(ci)類(lei)發(fa)(fa)熱(re)由于(yu)其(qi)產(chan)(chan)生(sheng)(sheng)的(de)(de)(de)(de)機理比較復雜,變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)漏(lou)(lou)磁(ci)(ci)(ci)發(fa)(fa)熱(re)也(ye)(ye)成(cheng)為(wei)生(sheng)(sheng)產(chan)(chan)中(zhong)處(chu)理最為(wei)棘手的(de)(de)(de)(de)難點之(zhi)(zhi)一,因(yin)此(ci),研究和(he)分析(xi)變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)漏(lou)(lou)磁(ci)(ci)(ci)現象對于(yu)指導(dao)(dao)電(dian)(dian)(dian)力(li)生(sheng)(sheng)產(chan)(chan)實(shi)踐具(ju)有(you)重(zhong)要現實(shi)意義。


 400-181-6499

        或 0591-83846499 / 0591-83846455

 

 

 

 

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