江蘇(su)華辰發明了(le)一種干式變(bian)壓器低壓箔式線(xian)(xian)圈引線(xian)(xian)結構及(ji)引線(xian)(xian)繞(rao)制工藝，涉及(ji)變(bian)壓器領域。發明采用(yong)(yong)雙層(ceng)箔分流(liu)疊繞(rao)結構纏繞(rao)，每(mei)層(ceng)銅(tong)箔采用(yong)(yong)單(dan)獨(du)的引出結構，使得低壓線(xian)(xian)圈額定電(dian)流(liu)平分到每(mei)組引線(xian)(xian)銅(tong)排(pai)上，有(you)效避免(mian)了(le)電(dian)流(liu)過大(da)時導致的銅(tong)排(pai)適用(yong)(yong)度小的問題，同(tong)時也有(you)效縮減了(le)現場使用(yong)(yong)場地。

施耐德電(dian)(dian)(dian)氣(qi)發明了一種(zhong)變壓器(qi)保(bao)(bao)護(hu)(hu)(hu)(hu)方(fang)(fang)法、裝置、繼(ji)電(dian)(dian)(dian)保(bao)(bao)護(hu)(hu)(hu)(hu)器(qi)及供電(dian)(dian)(dian)系(xi)統。該(gai)(gai)方(fang)(fang)法提供供電(dian)(dian)(dian)系(xi)統的(de)(de)(de)(de)拓撲(pu)結(jie)構與保(bao)(bao)護(hu)(hu)(hu)(hu)電(dian)(dian)(dian)流(liu)整定(ding)值(zhi)之(zhi)間的(de)(de)(de)(de)預(yu)(yu)設(she)對(dui)應關(guan)(guan)系(xi)，任一繼(ji)電(dian)(dian)(dian)保(bao)(bao)護(hu)(hu)(hu)(hu)器(qi)在(zai)(zai)獲取供電(dian)(dian)(dian)系(xi)統的(de)(de)(de)(de)拓撲(pu)結(jie)構信(xin)(xin)息之(zhi)后，基(ji)于(yu)(yu)該(gai)(gai)預(yu)(yu)設(she)對(dui)應關(guan)(guan)系(xi)確定(ding)與供電(dian)(dian)(dian)系(xi)統的(de)(de)(de)(de)當前拓撲(pu)結(jie)構對(dui)應的(de)(de)(de)(de)目標保(bao)(bao)護(hu)(hu)(hu)(hu)電(dian)(dian)(dian)流(liu)整定(ding)值(zhi)，還會獲取其所屬供電(dian)(dian)(dian)子系(xi)統內(nei)的(de)(de)(de)(de)變壓器(qi)的(de)(de)(de)(de)進(jin)線側電(dian)(dian)(dian)流(liu)以及所屬供電(dian)(dian)(dian)子系(xi)統內(nei)的(de)(de)(de)(de)弧(hu)光(guang)傳感器(qi)的(de)(de)(de)(de)弧(hu)光(guang)檢測(ce)信(xin)(xin)號，在(zai)(zai)進(jin)線側電(dian)(dian)(dian)流(liu)大于(yu)(yu)等于(yu)(yu)目標保(bao)(bao)護(hu)(hu)(hu)(hu)電(dian)(dian)(dian)流(liu)整定(ding)值(zhi)，且弧(hu)光(guang)檢測(ce)信(xin)(xin)號表征檢測(ce)到(dao)弧(hu)光(guang)的(de)(de)(de)(de)情況下，斷開所屬供電(dian)(dian)(dian)子系(xi)統內(nei)的(de)(de)(de)(de)變壓器(qi)與供電(dian)(dian)(dian)網絡的(de)(de)(de)(de)連(lian)接，方(fang)(fang)案兼顧保(bao)(bao)護(hu)(hu)(hu)(hu)靈敏度及保(bao)(bao)護(hu)(hu)(hu)(hu)穩定(ding)性(xing)，能夠解決現有技術(shu)中變壓器(qi)保(bao)(bao)護(hu)(hu)(hu)(hu)方(fang)(fang)法存在(zai)(zai)的(de)(de)(de)(de)問題。

保變(bian)電(dian)氣發明了一種變(bian)壓器(qi)有載開(kai)關電(dian)位電(dian)阻的(de)(de)安裝結構及(ji)方法，屬于變(bian)壓器(qi)制(zhi)作技(ji)術領域(yu)。發明的(de)(de)有益效果是(shi)：既滿(man)足安裝需求，同時又能(neng)降低開(kai)關固(gu)定板的(de)(de)強(qiang)度要(yao)求，并且能(neng)充分(fen)利用油箱內的(de)(de)空間，方便引(yin)線的(de)(de)裝配。

特(te)變(bian)電工(gong)申請了一種“變(bian)壓器(qi)絕(jue)緣件的(de)測(ce)(ce)試工(gong)裝”發(fa)明(ming)專(zhuan)利。采用(yong)此(ci)發(fa)明(ming)測(ce)(ce)試工(gong)裝能夠得到(dao)對應(ying)不(bu)同抽真空階(jie)段的(de)絕(jue)緣件樣(yang)(yang)品(pin)，以及得到(dao)對應(ying)不(bu)同注油(you)階(jie)段的(de)絕(jue)緣件樣(yang)(yang)品(pin)。

小編在(zai)國家知(zhi)識產權局網(wang)站(zhan)中(zhong)以“變(bian)(bian)壓(ya)(ya)器”為(wei)“發明名稱”進(jin)行檢索(suo)，發現(xian)截(jie)至2023年10月20日，變(bian)(bian)壓(ya)(ya)器行業(ye)共(gong)計有115067項專(zhuan)利。在(zai)2018年至2022年期間，變(bian)(bian)壓(ya)(ya)器專(zhuan)利申請數量整體(ti)呈波(bo)動趨勢，其(qi)中(zhong)2020年全行業(ye)申請最多，全年共(gong)申請了13673項變(bian)(bian)壓(ya)(ya)器專(zhuan)利。