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保(bao)護視(shi)力色(se): ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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簡介:WHG3D4MKGWNQB 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,所以該產品沒有儲 | |||||||
WHG3D4MKGWNQB
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。 7T4S7BHCUGYJV
變壓器是變換交流電壓、交變電流和阻抗的器件,當初級線圈中通有交流電流時,鐵芯(或磁芯)中便產生交流磁通,使次級線圈中感應出電壓(或電流)。變壓器由鐵芯(或磁芯)和線圈組成,線圈有兩個或兩個以上的繞組,其中接電源的繞組叫初級線圈,其余的繞組叫次級線圈。隨著干式變壓器的推廣應用,其生產制造技術也獲得長足發展,可以預測,未來的干式變壓器將在如下幾方面獲得進一步發展:[2-3] HNEK8KKNFSNEM 電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)變壓(ya)(ya)器(qi)(qi)除了(le)體積較小外,在電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)變壓(ya)(ya)器(qi)(qi)與(yu)電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)變壓(ya)(ya)器(qi)(qi)二(er)者(zhe)之間(jian)(jian),并沒有(you)明(ming)確的分界線。一(yi)(yi)般提(ti)供(gong)(gong)50Hz電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)網絡(luo)之電(dian)(dian)(dian)(dian)(dian)(dian)源均非常龐大(da),它可能是涵蓋有(you)半個洲地區那般大(da)的容量。電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)裝置(zhi)的電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)限制(zhi),通常受限于(yu)整流(liu)、放(fang)大(da),與(yu)系統(tong)其它組(zu)(zu)件的能力(li)(li),其中有(you)些部(bu)分屬(shu)(shu)放(fang)大(da)電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)者(zhe),但如與(yu)電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)系統(tong)發電(dian)(dian)(dian)(dian)(dian)(dian)能力(li)(li)相(xiang)比較,它仍然歸屬(shu)(shu)于(yu)小電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)之范圍。各種(zhong)電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)裝備(bei)(bei)(bei)常用到變壓(ya)(ya)器(qi)(qi),理由是:提(ti)供(gong)(gong)各種(zhong)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)階層確保(bao)系統(tong)正常操作(zuo)(zuo);提(ti)供(gong)(gong)系統(tong)中以不同電(dian)(dian)(dian)(dian)(dian)(dian)位操作(zuo)(zuo)部(bu)分得以電(dian)(dian)(dian)(dian)(dian)(dian)氣隔離(li);對(dui)交(jiao)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)提(ti)供(gong)(gong)高阻抗(kang)(kang),但對(dui)直流(liu)則提(ti)供(gong)(gong)低的阻抗(kang)(kang);在不同的電(dian)(dian)(dian)(dian)(dian)(dian)位下,維持(chi)或修飾波形與(yu)頻率響應。「阻抗(kang)(kang)」其中之一(yi)(yi)項重要概念,亦即電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)學特性之一(yi)(yi),其乃(nai)預設(she)一(yi)(yi)種(zhong)設(she)備(bei)(bei)(bei),即當(dang)電(dian)(dian)(dian)(dian)(dian)(dian)路組(zu)(zu)件阻抗(kang)(kang)系從一(yi)(yi)階層改變到另外的一(yi)(yi)個階層時,其間(jian)(jian)即使用到一(yi)(yi)種(zhong)設(she)備(bei)(bei)(bei)-變壓(ya)(ya)器(qi)(qi)。 質量上乘桑日S11變壓器
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