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保護視力(li)色(se): ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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簡介:EFD99GQXB9延壽W1 a、油浸式變壓器低壓繞組除小容量采用銅導線以外,一般都采用銅箔繞抽的圓筒式結構;高壓繞組采用多層圓筒式結構,使之繞組的安匝分布平衡,漏磁小,機械強度高,抗短路能力強。 b、鐵心和繞組各自采用了緊固措施,器身高、低壓引線等緊固部分都帶自鎖防松螺母,采用了不吊心結構,能承受運輸的顛震。 c、線圈和鐵心采用真空干燥,變壓器油采用真空濾油和注油的工藝,使變壓器內部的潮氣降至最低。 d、油箱采用波紋片,它具有呼吸功能來補償因溫度變化而引起油的體積變化,所以該產品沒有 | |||||||
EFD99GQXB9延壽W1
a、油浸式變壓器低壓繞組除小容量采用銅導線以外,一般都采用銅箔繞抽的圓筒式結構;高壓繞組采用多層圓筒式結構,使之繞組的安匝分布平衡,漏磁小,機械強度高,抗短路能力強。 2NJZE848SU8D9
變壓器的絕緣等級,并不是絕緣強度的概念,而是允許的溫升的標準,即絕緣等級是指其所用絕緣材料的耐熱等級,分A、E、B、F、H級。絕緣的溫度等級分為A級 E級B級 F級H級。各絕緣等級具體允許溫升標準如下:最高允許溫度(℃)105 120 130 155 180 上海英施丹-變壓器 P9P454Z6K7W7K 電(dian)(dian)(dian)(dian)(dian)子(zi)變(bian)(bian)(bian)(bian)壓器除(chu)了(le)體積(ji)較小(xiao)外,在(zai)電(dian)(dian)(dian)(dian)(dian)力(li)(li)變(bian)(bian)(bian)(bian)壓器與電(dian)(dian)(dian)(dian)(dian)子(zi)變(bian)(bian)(bian)(bian)壓器二者(zhe)之(zhi)間,并沒有(you)明確的分(fen)界線(xian)。一般提供50Hz電(dian)(dian)(dian)(dian)(dian)力(li)(li)網絡之(zhi)電(dian)(dian)(dian)(dian)(dian)源均(jun)非常龐大(da)(da),它可(ke)能是涵蓋(gai)有(you)半個洲地區那般大(da)(da)的容量。電(dian)(dian)(dian)(dian)(dian)子(zi)裝置的電(dian)(dian)(dian)(dian)(dian)力(li)(li)限(xian)制,通常受(shou)限(xian)于(yu)整流、放大(da)(da),與系(xi)(xi)(xi)統(tong)(tong)其(qi)它組(zu)件的能力(li)(li),其(qi)中有(you)些部分(fen)屬(shu)放大(da)(da)電(dian)(dian)(dian)(dian)(dian)力(li)(li)者(zhe),但如(ru)與電(dian)(dian)(dian)(dian)(dian)力(li)(li)系(xi)(xi)(xi)統(tong)(tong)發(fa)電(dian)(dian)(dian)(dian)(dian)能力(li)(li)相比較,它仍(reng)然歸(gui)屬(shu)于(yu)小(xiao)電(dian)(dian)(dian)(dian)(dian)力(li)(li)之(zhi)范圍(wei)。各(ge)種電(dian)(dian)(dian)(dian)(dian)子(zi)裝備常用到變(bian)(bian)(bian)(bian)壓器,理由是:提供各(ge)種電(dian)(dian)(dian)(dian)(dian)壓階層確保系(xi)(xi)(xi)統(tong)(tong)正常操作(zuo);提供系(xi)(xi)(xi)統(tong)(tong)中以不(bu)同電(dian)(dian)(dian)(dian)(dian)位操作(zuo)部分(fen)得以電(dian)(dian)(dian)(dian)(dian)氣隔離;對(dui)交流電(dian)(dian)(dian)(dian)(dian)流提供高阻抗,但對(dui)直流則提供低的阻抗;在(zai)不(bu)同的電(dian)(dian)(dian)(dian)(dian)位下,維持(chi)或(huo)修飾波形與頻率響應。「阻抗」其(qi)中之(zhi)一項重要概念,亦(yi)即電(dian)(dian)(dian)(dian)(dian)子(zi)學特性之(zhi)一,其(qi)乃(nai)預設一種設備,即當電(dian)(dian)(dian)(dian)(dian)路組(zu)件阻抗系(xi)(xi)(xi)從一階層改變(bian)(bian)(bian)(bian)到另外的一個階層時,其(qi)間即使(shi)用到一種設備-變(bian)(bian)(bian)(bian)壓器。 我公司生產銷售延壽S11變壓器
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