江蘇華辰發(fa)明了一種(zhong)干式變壓(ya)(ya)器低壓(ya)(ya)箔(bo)式線圈引(yin)(yin)線結構(gou)(gou)及(ji)引(yin)(yin)線繞制工藝(yi)，涉(she)及(ji)變壓(ya)(ya)器領(ling)域。發(fa)明采(cai)用(yong)(yong)雙層(ceng)箔(bo)分流(liu)(liu)(liu)疊繞結構(gou)(gou)纏繞，每層(ceng)銅(tong)箔(bo)采(cai)用(yong)(yong)單(dan)獨的引(yin)(yin)出結構(gou)(gou)，使得低壓(ya)(ya)線圈額定電流(liu)(liu)(liu)平分到每組引(yin)(yin)線銅(tong)排上，有(you)效(xiao)避免了電流(liu)(liu)(liu)過大(da)時(shi)導(dao)致的銅(tong)排適用(yong)(yong)度小的問題，同(tong)時(shi)也(ye)有(you)效(xiao)縮減了現場(chang)使用(yong)(yong)場(chang)地。

施耐德電(dian)(dian)(dian)(dian)氣(qi)發明了一種(zhong)變(bian)(bian)壓(ya)(ya)(ya)器保(bao)(bao)護(hu)方(fang)(fang)法、裝(zhuang)置、繼電(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)器及供(gong)(gong)電(dian)(dian)(dian)(dian)系(xi)(xi)統。該方(fang)(fang)法提供(gong)(gong)供(gong)(gong)電(dian)(dian)(dian)(dian)系(xi)(xi)統的(de)(de)(de)(de)拓(tuo)(tuo)撲(pu)結構(gou)與(yu)保(bao)(bao)護(hu)電(dian)(dian)(dian)(dian)流整(zheng)定(ding)值之間的(de)(de)(de)(de)預(yu)設(she)對應(ying)關(guan)(guan)系(xi)(xi)，任一繼電(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)器在獲(huo)取供(gong)(gong)電(dian)(dian)(dian)(dian)系(xi)(xi)統的(de)(de)(de)(de)拓(tuo)(tuo)撲(pu)結構(gou)信息之后，基于該預(yu)設(she)對應(ying)關(guan)(guan)系(xi)(xi)確定(ding)與(yu)供(gong)(gong)電(dian)(dian)(dian)(dian)系(xi)(xi)統的(de)(de)(de)(de)當前拓(tuo)(tuo)撲(pu)結構(gou)對應(ying)的(de)(de)(de)(de)目標(biao)(biao)保(bao)(bao)護(hu)電(dian)(dian)(dian)(dian)流整(zheng)定(ding)值，還會獲(huo)取其所屬供(gong)(gong)電(dian)(dian)(dian)(dian)子(zi)系(xi)(xi)統內(nei)的(de)(de)(de)(de)變(bian)(bian)壓(ya)(ya)(ya)器的(de)(de)(de)(de)進(jin)線側電(dian)(dian)(dian)(dian)流以(yi)及所屬供(gong)(gong)電(dian)(dian)(dian)(dian)子(zi)系(xi)(xi)統內(nei)的(de)(de)(de)(de)弧光傳感器的(de)(de)(de)(de)弧光檢(jian)測(ce)(ce)信號(hao)(hao)，在進(jin)線側電(dian)(dian)(dian)(dian)流大(da)于等于目標(biao)(biao)保(bao)(bao)護(hu)電(dian)(dian)(dian)(dian)流整(zheng)定(ding)值，且弧光檢(jian)測(ce)(ce)信號(hao)(hao)表征檢(jian)測(ce)(ce)到弧光的(de)(de)(de)(de)情況下，斷開所屬供(gong)(gong)電(dian)(dian)(dian)(dian)子(zi)系(xi)(xi)統內(nei)的(de)(de)(de)(de)變(bian)(bian)壓(ya)(ya)(ya)器與(yu)供(gong)(gong)電(dian)(dian)(dian)(dian)網絡的(de)(de)(de)(de)連接，方(fang)(fang)案兼顧保(bao)(bao)護(hu)靈敏度及保(bao)(bao)護(hu)穩定(ding)性，能夠解決現有技術中變(bian)(bian)壓(ya)(ya)(ya)器保(bao)(bao)護(hu)方(fang)(fang)法存在的(de)(de)(de)(de)問(wen)題。

保變(bian)電(dian)(dian)氣發明了一種變(bian)壓器有載開(kai)關電(dian)(dian)位(wei)電(dian)(dian)阻(zu)的安裝(zhuang)結構及方(fang)法，屬于變(bian)壓器制作技術領域。發明的有益效果是：既滿足安裝(zhuang)需求，同時又能(neng)降(jiang)低(di)開(kai)關固定板的強度要求，并且(qie)能(neng)充分利用油箱內的空間，方(fang)便引線的裝(zhuang)配。

特變電工申請了一種“變壓器(qi)絕(jue)緣(yuan)件的測(ce)試工裝”發明專利。采用此發明測(ce)試工裝能夠得到(dao)對應不同(tong)抽真(zhen)空階段的絕(jue)緣(yuan)件樣品，以及得到(dao)對應不同(tong)注油階段的絕(jue)緣(yuan)件樣品。

小(xiao)編(bian)在國家知識產(chan)權局網站中以“變(bian)壓器”為“發明名稱”進行(xing)檢索(suo)，發現截(jie)至(zhi)2023年(nian)10月20日，變(bian)壓器行(xing)業(ye)共計有115067項(xiang)(xiang)專(zhuan)利。在2018年(nian)至(zhi)2022年(nian)期間，變(bian)壓器專(zhuan)利申(shen)請(qing)(qing)數量整體呈波(bo)動趨勢，其中2020年(nian)全行(xing)業(ye)申(shen)請(qing)(qing)最(zui)多，全年(nian)共申(shen)請(qing)(qing)了13673項(xiang)(xiang)變(bian)壓器專(zhuan)利。