江蘇華辰發(fa)明了一種干式(shi)變壓器(qi)低壓箔(bo)式(shi)線(xian)(xian)圈引(yin)線(xian)(xian)結構(gou)及引(yin)線(xian)(xian)繞(rao)制工藝，涉及變壓器(qi)領域(yu)。發(fa)明采用(yong)(yong)(yong)雙層箔(bo)分(fen)流(liu)(liu)疊繞(rao)結構(gou)纏繞(rao)，每(mei)層銅(tong)箔(bo)采用(yong)(yong)(yong)單獨的引(yin)出結構(gou)，使得低壓線(xian)(xian)圈額(e)定電流(liu)(liu)平(ping)分(fen)到每(mei)組引(yin)線(xian)(xian)銅(tong)排上(shang)，有效避(bi)免了電流(liu)(liu)過大(da)時導(dao)致的銅(tong)排適用(yong)(yong)(yong)度小的問題，同時也(ye)有效縮(suo)減了現場使用(yong)(yong)(yong)場地。

施耐德電(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣發明了一種變(bian)壓(ya)器(qi)(qi)保(bao)(bao)護方法、裝置、繼電(dian)(dian)(dian)(dian)(dian)(dian)(dian)保(bao)(bao)護器(qi)(qi)及供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)統(tong)(tong)(tong)。該方法提供(gong)(gong)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)統(tong)(tong)(tong)的(de)(de)拓撲結(jie)構與(yu)保(bao)(bao)護電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)整定(ding)(ding)(ding)(ding)值(zhi)之間(jian)的(de)(de)預設(she)對(dui)(dui)應(ying)關系(xi)(xi)，任一繼電(dian)(dian)(dian)(dian)(dian)(dian)(dian)保(bao)(bao)護器(qi)(qi)在獲(huo)取供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)統(tong)(tong)(tong)的(de)(de)拓撲結(jie)構信息(xi)之后，基于(yu)該預設(she)對(dui)(dui)應(ying)關系(xi)(xi)確定(ding)(ding)(ding)(ding)與(yu)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)統(tong)(tong)(tong)的(de)(de)當前拓撲結(jie)構對(dui)(dui)應(ying)的(de)(de)目(mu)標保(bao)(bao)護電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)整定(ding)(ding)(ding)(ding)值(zhi)，還(huan)會獲(huo)取其所屬(shu)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)系(xi)(xi)統(tong)(tong)(tong)內的(de)(de)變(bian)壓(ya)器(qi)(qi)的(de)(de)進(jin)線(xian)側電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)以及所屬(shu)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)系(xi)(xi)統(tong)(tong)(tong)內的(de)(de)弧光(guang)(guang)傳感(gan)器(qi)(qi)的(de)(de)弧光(guang)(guang)檢(jian)測(ce)信號，在進(jin)線(xian)側電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)大于(yu)等(deng)于(yu)目(mu)標保(bao)(bao)護電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)整定(ding)(ding)(ding)(ding)值(zhi)，且弧光(guang)(guang)檢(jian)測(ce)信號表征檢(jian)測(ce)到弧光(guang)(guang)的(de)(de)情況下，斷開所屬(shu)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)系(xi)(xi)統(tong)(tong)(tong)內的(de)(de)變(bian)壓(ya)器(qi)(qi)與(yu)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)絡的(de)(de)連接(jie)，方案(an)兼顧保(bao)(bao)護靈(ling)敏度及保(bao)(bao)護穩(wen)定(ding)(ding)(ding)(ding)性，能夠解(jie)決現(xian)有技術中變(bian)壓(ya)器(qi)(qi)保(bao)(bao)護方法存在的(de)(de)問題。

保(bao)變電(dian)(dian)氣發明了(le)一種變壓器有載開(kai)關(guan)電(dian)(dian)位電(dian)(dian)阻的安裝(zhuang)結構及方法(fa)，屬(shu)于變壓器制作技術領域。發明的有益(yi)效果是：既滿足安裝(zhuang)需求，同時又能降(jiang)低開(kai)關(guan)固定(ding)板的強度要求，并且能充分利(li)用油箱內(nei)的空間，方便(bian)引線的裝(zhuang)配。

特變電工(gong)申請了一種“變壓器絕緣件(jian)的測(ce)試工(gong)裝(zhuang)”發明專利。采用此發明測(ce)試工(gong)裝(zhuang)能夠得到對(dui)應不(bu)同(tong)抽真空階段的絕緣件(jian)樣(yang)品，以及得到對(dui)應不(bu)同(tong)注油階段的絕緣件(jian)樣(yang)品。

小編在國家知識產權(quan)局網站(zhan)中(zhong)以“變(bian)(bian)壓器(qi)(qi)”為“發明(ming)名稱”進行(xing)檢索，發現(xian)截(jie)至2023年(nian)(nian)10月20日，變(bian)(bian)壓器(qi)(qi)行(xing)業共計有115067項專(zhuan)利(li)。在2018年(nian)(nian)至2022年(nian)(nian)期間(jian)，變(bian)(bian)壓器(qi)(qi)專(zhuan)利(li)申請數量整體呈波動趨勢，其中(zhong)2020年(nian)(nian)全(quan)行(xing)業申請最多，全(quan)年(nian)(nian)共申請了13673項變(bian)(bian)壓器(qi)(qi)專(zhuan)利(li)。