江蘇華辰發(fa)明(ming)了(le)一(yi)種干式變(bian)壓器低(di)壓箔(bo)式線(xian)圈(quan)引(yin)線(xian)結(jie)構(gou)(gou)及引(yin)線(xian)繞(rao)制工藝，涉及變(bian)壓器領域。發(fa)明(ming)采用(yong)雙層(ceng)箔(bo)分流疊繞(rao)結(jie)構(gou)(gou)纏繞(rao)，每(mei)層(ceng)銅箔(bo)采用(yong)單獨的(de)(de)引(yin)出(chu)結(jie)構(gou)(gou)，使得低(di)壓線(xian)圈(quan)額定(ding)電(dian)(dian)流平分到每(mei)組引(yin)線(xian)銅排(pai)上，有(you)效避(bi)免了(le)電(dian)(dian)流過大時導致的(de)(de)銅排(pai)適(shi)用(yong)度(du)小的(de)(de)問題，同時也有(you)效縮減(jian)了(le)現場(chang)使用(yong)場(chang)地。

施耐德電(dian)(dian)(dian)(dian)(dian)(dian)氣發明了一種變壓(ya)器保(bao)(bao)護(hu)方法、裝(zhuang)置、繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)器及供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)系(xi)統。該方法提供(gong)(gong)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)系(xi)統的(de)(de)(de)(de)拓(tuo)撲結(jie)構(gou)與(yu)保(bao)(bao)護(hu)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)整定值(zhi)之間(jian)的(de)(de)(de)(de)預設對(dui)應(ying)關系(xi)，任一繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)器在獲(huo)取(qu)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)系(xi)統的(de)(de)(de)(de)拓(tuo)撲結(jie)構(gou)信(xin)息(xi)之后，基于(yu)該預設對(dui)應(ying)關系(xi)確定與(yu)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)系(xi)統的(de)(de)(de)(de)當前拓(tuo)撲結(jie)構(gou)對(dui)應(ying)的(de)(de)(de)(de)目標(biao)保(bao)(bao)護(hu)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)整定值(zhi)，還會(hui)獲(huo)取(qu)其所屬(shu)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)系(xi)統內的(de)(de)(de)(de)變壓(ya)器的(de)(de)(de)(de)進(jin)線側電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)以及所屬(shu)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)系(xi)統內的(de)(de)(de)(de)弧(hu)(hu)光傳感器的(de)(de)(de)(de)弧(hu)(hu)光檢(jian)測信(xin)號，在進(jin)線側電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)大于(yu)等(deng)于(yu)目標(biao)保(bao)(bao)護(hu)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)整定值(zhi)，且弧(hu)(hu)光檢(jian)測信(xin)號表征檢(jian)測到(dao)弧(hu)(hu)光的(de)(de)(de)(de)情況下，斷開所屬(shu)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)系(xi)統內的(de)(de)(de)(de)變壓(ya)器與(yu)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)網絡的(de)(de)(de)(de)連接，方案(an)兼(jian)顧保(bao)(bao)護(hu)靈敏度(du)及保(bao)(bao)護(hu)穩定性，能夠解決現有技術中變壓(ya)器保(bao)(bao)護(hu)方法存在的(de)(de)(de)(de)問題。

保(bao)變電氣發明了一(yi)種變壓(ya)器(qi)有載開關電位(wei)電阻的(de)安裝結構及方(fang)(fang)法，屬(shu)于變壓(ya)器(qi)制作(zuo)技術領域。發明的(de)有益效(xiao)果是：既(ji)滿(man)足(zu)安裝需求，同(tong)時又能降(jiang)低開關固定板的(de)強(qiang)度(du)要求，并且(qie)能充分利用油箱內的(de)空(kong)間(jian)，方(fang)(fang)便引線(xian)的(de)裝配。

特變電工(gong)(gong)(gong)申請(qing)了一種“變壓器絕(jue)緣件的測試工(gong)(gong)(gong)裝(zhuang)(zhuang)”發(fa)明專利。采用(yong)此發(fa)明測試工(gong)(gong)(gong)裝(zhuang)(zhuang)能夠得(de)到對應不同抽真空階段(duan)的絕(jue)緣件樣(yang)品(pin)，以及得(de)到對應不同注(zhu)油階段(duan)的絕(jue)緣件樣(yang)品(pin)。

小編(bian)在國家知(zhi)識(shi)產權局網站中(zhong)以“變(bian)壓(ya)(ya)器(qi)”為“發(fa)明名稱(cheng)”進行(xing)(xing)檢索，發(fa)現截至2023年(nian)(nian)10月20日(ri)，變(bian)壓(ya)(ya)器(qi)行(xing)(xing)業(ye)共計(ji)有115067項專利。在2018年(nian)(nian)至2022年(nian)(nian)期間，變(bian)壓(ya)(ya)器(qi)專利申(shen)(shen)請(qing)數量(liang)整體(ti)呈波(bo)動趨勢，其中(zhong)2020年(nian)(nian)全(quan)行(xing)(xing)業(ye)申(shen)(shen)請(qing)最多，全(quan)年(nian)(nian)共申(shen)(shen)請(qing)了13673項變(bian)壓(ya)(ya)器(qi)專利。