江蘇華辰(chen)發明了一(yi)種(zhong)干式(shi)變壓(ya)(ya)器(qi)(qi)低(di)壓(ya)(ya)箔式(shi)線(xian)圈(quan)引(yin)線(xian)結(jie)構及(ji)引(yin)線(xian)繞制工藝，涉及(ji)變壓(ya)(ya)器(qi)(qi)領域。發明采(cai)用(yong)(yong)雙層(ceng)箔分流(liu)疊繞結(jie)構纏繞，每層(ceng)銅箔采(cai)用(yong)(yong)單獨的(de)引(yin)出(chu)結(jie)構，使得(de)低(di)壓(ya)(ya)線(xian)圈(quan)額定電流(liu)平分到(dao)每組引(yin)線(xian)銅排(pai)上，有效(xiao)避免了電流(liu)過大時導(dao)致的(de)銅排(pai)適(shi)用(yong)(yong)度小的(de)問題，同時也有效(xiao)縮減了現場(chang)使用(yong)(yong)場(chang)地。

施耐(nai)德電(dian)(dian)氣發明了一種變(bian)(bian)壓器保(bao)(bao)護(hu)(hu)(hu)(hu)方法(fa)、裝置、繼電(dian)(dian)保(bao)(bao)護(hu)(hu)(hu)(hu)器及供(gong)(gong)電(dian)(dian)系(xi)統(tong)(tong)(tong)(tong)(tong)。該(gai)方法(fa)提供(gong)(gong)供(gong)(gong)電(dian)(dian)系(xi)統(tong)(tong)(tong)(tong)(tong)的(de)(de)拓撲結(jie)(jie)構(gou)與保(bao)(bao)護(hu)(hu)(hu)(hu)電(dian)(dian)流(liu)整定值(zhi)(zhi)之間的(de)(de)預設對(dui)應關系(xi)，任一繼電(dian)(dian)保(bao)(bao)護(hu)(hu)(hu)(hu)器在獲取供(gong)(gong)電(dian)(dian)系(xi)統(tong)(tong)(tong)(tong)(tong)的(de)(de)拓撲結(jie)(jie)構(gou)信息之后(hou)，基于該(gai)預設對(dui)應關系(xi)確定與供(gong)(gong)電(dian)(dian)系(xi)統(tong)(tong)(tong)(tong)(tong)的(de)(de)當前拓撲結(jie)(jie)構(gou)對(dui)應的(de)(de)目(mu)標保(bao)(bao)護(hu)(hu)(hu)(hu)電(dian)(dian)流(liu)整定值(zhi)(zhi)，還會(hui)獲取其所(suo)(suo)屬(shu)供(gong)(gong)電(dian)(dian)子(zi)系(xi)統(tong)(tong)(tong)(tong)(tong)內(nei)的(de)(de)變(bian)(bian)壓器的(de)(de)進線(xian)側(ce)電(dian)(dian)流(liu)以(yi)及所(suo)(suo)屬(shu)供(gong)(gong)電(dian)(dian)子(zi)系(xi)統(tong)(tong)(tong)(tong)(tong)內(nei)的(de)(de)弧(hu)(hu)光傳感器的(de)(de)弧(hu)(hu)光檢測信號，在進線(xian)側(ce)電(dian)(dian)流(liu)大(da)于等于目(mu)標保(bao)(bao)護(hu)(hu)(hu)(hu)電(dian)(dian)流(liu)整定值(zhi)(zhi)，且弧(hu)(hu)光檢測信號表征檢測到弧(hu)(hu)光的(de)(de)情況下(xia)，斷開所(suo)(suo)屬(shu)供(gong)(gong)電(dian)(dian)子(zi)系(xi)統(tong)(tong)(tong)(tong)(tong)內(nei)的(de)(de)變(bian)(bian)壓器與供(gong)(gong)電(dian)(dian)網絡的(de)(de)連接，方案兼顧保(bao)(bao)護(hu)(hu)(hu)(hu)靈敏(min)度及保(bao)(bao)護(hu)(hu)(hu)(hu)穩定性，能夠解決現有技術中變(bian)(bian)壓器保(bao)(bao)護(hu)(hu)(hu)(hu)方法(fa)存(cun)在的(de)(de)問題。

保(bao)變電氣(qi)發明了一種變壓器(qi)有載(zai)開關電位電阻的安裝(zhuang)結構及方法(fa)，屬于(yu)變壓器(qi)制作技術領域。發明的有益效果是：既滿足安裝(zhuang)需求，同(tong)時又能降低開關固定板的強度要求，并(bing)且(qie)能充分(fen)利用油(you)箱內的空(kong)間，方便引線的裝(zhuang)配。

特變電(dian)工(gong)申(shen)請了一種“變壓器絕緣件的測(ce)試(shi)工(gong)裝”發明(ming)專(zhuan)利。采用此發明(ming)測(ce)試(shi)工(gong)裝能(neng)夠得到對應不(bu)同抽真(zhen)空階(jie)段的絕緣件樣(yang)品(pin)，以及得到對應不(bu)同注油階(jie)段的絕緣件樣(yang)品(pin)。

小編在國家知(zhi)識產(chan)權局網站中以“變(bian)壓器(qi)”為“發明名(ming)稱”進行檢索(suo)，發現截至(zhi)2023年10月20日，變(bian)壓器(qi)行業共計有(you)115067項專(zhuan)(zhuan)利(li)。在2018年至(zhi)2022年期(qi)間，變(bian)壓器(qi)專(zhuan)(zhuan)利(li)申請(qing)數(shu)量整體呈(cheng)波動趨勢，其中2020年全行業申請(qing)最多，全年共申請(qing)了13673項變(bian)壓器(qi)專(zhuan)(zhuan)利(li)。