江(jiang)蘇華辰發(fa)明(ming)了一種(zhong)干式變壓(ya)器(qi)低壓(ya)箔(bo)式線(xian)(xian)圈(quan)引(yin)(yin)線(xian)(xian)結構(gou)及引(yin)(yin)線(xian)(xian)繞(rao)(rao)制工藝，涉及變壓(ya)器(qi)領域。發(fa)明(ming)采用雙層箔(bo)分流(liu)(liu)疊繞(rao)(rao)結構(gou)纏繞(rao)(rao)，每(mei)(mei)層銅(tong)箔(bo)采用單獨的(de)引(yin)(yin)出結構(gou)，使得低壓(ya)線(xian)(xian)圈(quan)額定電流(liu)(liu)平分到每(mei)(mei)組引(yin)(yin)線(xian)(xian)銅(tong)排上，有(you)效(xiao)避免了電流(liu)(liu)過大時(shi)導致(zhi)的(de)銅(tong)排適用度小的(de)問題，同時(shi)也有(you)效(xiao)縮減了現場使用場地。

施耐德電(dian)(dian)(dian)(dian)(dian)氣發明了一(yi)種變壓(ya)器(qi)(qi)保(bao)護(hu)方法、裝(zhuang)置(zhi)、繼(ji)電(dian)(dian)(dian)(dian)(dian)保(bao)護(hu)器(qi)(qi)及(ji)供(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)系(xi)(xi)(xi)統(tong)。該方法提供(gong)(gong)(gong)(gong)供(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)系(xi)(xi)(xi)統(tong)的(de)(de)(de)(de)拓撲(pu)結(jie)構與(yu)保(bao)護(hu)電(dian)(dian)(dian)(dian)(dian)流(liu)整定值之間的(de)(de)(de)(de)預設對應(ying)(ying)關系(xi)(xi)(xi)，任一(yi)繼(ji)電(dian)(dian)(dian)(dian)(dian)保(bao)護(hu)器(qi)(qi)在獲取供(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)系(xi)(xi)(xi)統(tong)的(de)(de)(de)(de)拓撲(pu)結(jie)構信(xin)息之后，基于該預設對應(ying)(ying)關系(xi)(xi)(xi)確定與(yu)供(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)系(xi)(xi)(xi)統(tong)的(de)(de)(de)(de)當(dang)前拓撲(pu)結(jie)構對應(ying)(ying)的(de)(de)(de)(de)目(mu)標保(bao)護(hu)電(dian)(dian)(dian)(dian)(dian)流(liu)整定值，還會(hui)獲取其所屬(shu)供(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)子(zi)系(xi)(xi)(xi)統(tong)內(nei)的(de)(de)(de)(de)變壓(ya)器(qi)(qi)的(de)(de)(de)(de)進線(xian)側電(dian)(dian)(dian)(dian)(dian)流(liu)以及(ji)所屬(shu)供(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)子(zi)系(xi)(xi)(xi)統(tong)內(nei)的(de)(de)(de)(de)弧(hu)(hu)光傳(chuan)感器(qi)(qi)的(de)(de)(de)(de)弧(hu)(hu)光檢(jian)測(ce)信(xin)號(hao)，在進線(xian)側電(dian)(dian)(dian)(dian)(dian)流(liu)大于等(deng)于目(mu)標保(bao)護(hu)電(dian)(dian)(dian)(dian)(dian)流(liu)整定值，且弧(hu)(hu)光檢(jian)測(ce)信(xin)號(hao)表征檢(jian)測(ce)到弧(hu)(hu)光的(de)(de)(de)(de)情況下，斷開所屬(shu)供(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)子(zi)系(xi)(xi)(xi)統(tong)內(nei)的(de)(de)(de)(de)變壓(ya)器(qi)(qi)與(yu)供(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)網絡的(de)(de)(de)(de)連接，方案兼(jian)顧保(bao)護(hu)靈敏度及(ji)保(bao)護(hu)穩定性，能夠解決(jue)現有技術中變壓(ya)器(qi)(qi)保(bao)護(hu)方法存在的(de)(de)(de)(de)問(wen)題。

保(bao)變(bian)電氣發明(ming)了一(yi)種變(bian)壓(ya)器有(you)載開關電位電阻的(de)(de)(de)安(an)裝(zhuang)結構及方(fang)法(fa)，屬于變(bian)壓(ya)器制作技術領域(yu)。發明(ming)的(de)(de)(de)有(you)益(yi)效果是：既滿足安(an)裝(zhuang)需求(qiu)，同時又能降低(di)開關固定板的(de)(de)(de)強度要求(qiu)，并且能充分利用油(you)箱內的(de)(de)(de)空間，方(fang)便引線的(de)(de)(de)裝(zhuang)配。

特變(bian)電工申請了(le)一種(zhong)“變(bian)壓器絕(jue)(jue)緣(yuan)(yuan)件(jian)的(de)測(ce)試工裝”發(fa)明專利(li)。采用此(ci)發(fa)明測(ce)試工裝能(neng)夠(gou)得到(dao)對(dui)應不(bu)(bu)同(tong)(tong)抽真(zhen)空階(jie)段(duan)的(de)絕(jue)(jue)緣(yuan)(yuan)件(jian)樣品，以及得到(dao)對(dui)應不(bu)(bu)同(tong)(tong)注油(you)階(jie)段(duan)的(de)絕(jue)(jue)緣(yuan)(yuan)件(jian)樣品。

小(xiao)編在國家知識產權(quan)局網站(zhan)中以“變(bian)壓(ya)器(qi)(qi)”為“發(fa)明名稱”進行檢索，發(fa)現(xian)截至(zhi)2023年(nian)10月20日，變(bian)壓(ya)器(qi)(qi)行業共(gong)計有115067項專利。在2018年(nian)至(zhi)2022年(nian)期間，變(bian)壓(ya)器(qi)(qi)專利申請數量整體呈波動(dong)趨勢，其中2020年(nian)全(quan)行業申請最(zui)多(duo)，全(quan)年(nian)共(gong)申請了13673項變(bian)壓(ya)器(qi)(qi)專利。