江(jiang)蘇華辰(chen)發(fa)明了一(yi)種干式(shi)(shi)變(bian)(bian)壓(ya)(ya)器低壓(ya)(ya)箔式(shi)(shi)線圈引(yin)(yin)(yin)線結(jie)構及引(yin)(yin)(yin)線繞(rao)制工藝(yi)，涉及變(bian)(bian)壓(ya)(ya)器領域。發(fa)明采(cai)用(yong)雙層(ceng)箔分(fen)流(liu)疊繞(rao)結(jie)構纏繞(rao)，每(mei)層(ceng)銅(tong)箔采(cai)用(yong)單獨的(de)(de)引(yin)(yin)(yin)出結(jie)構，使(shi)得(de)低壓(ya)(ya)線圈額(e)定電流(liu)平(ping)分(fen)到(dao)每(mei)組(zu)引(yin)(yin)(yin)線銅(tong)排(pai)上，有效(xiao)避(bi)免了電流(liu)過(guo)大時導致的(de)(de)銅(tong)排(pai)適用(yong)度(du)小的(de)(de)問題(ti)，同時也有效(xiao)縮減了現場使(shi)用(yong)場地。

施(shi)耐德(de)電(dian)(dian)(dian)氣發(fa)明了(le)一種(zhong)變(bian)(bian)壓器(qi)保(bao)(bao)(bao)護(hu)方(fang)(fang)法、裝置、繼電(dian)(dian)(dian)保(bao)(bao)(bao)護(hu)器(qi)及供(gong)(gong)電(dian)(dian)(dian)系(xi)(xi)(xi)統(tong)(tong)。該(gai)方(fang)(fang)法提(ti)供(gong)(gong)供(gong)(gong)電(dian)(dian)(dian)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)拓撲結(jie)構與保(bao)(bao)(bao)護(hu)電(dian)(dian)(dian)流(liu)整定(ding)值之間的(de)(de)(de)(de)(de)(de)預(yu)設對應關系(xi)(xi)(xi)，任一繼電(dian)(dian)(dian)保(bao)(bao)(bao)護(hu)器(qi)在獲取供(gong)(gong)電(dian)(dian)(dian)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)拓撲結(jie)構信(xin)息之后，基于(yu)該(gai)預(yu)設對應關系(xi)(xi)(xi)確定(ding)與供(gong)(gong)電(dian)(dian)(dian)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)當(dang)前拓撲結(jie)構對應的(de)(de)(de)(de)(de)(de)目標保(bao)(bao)(bao)護(hu)電(dian)(dian)(dian)流(liu)整定(ding)值，還會(hui)獲取其(qi)所屬(shu)供(gong)(gong)電(dian)(dian)(dian)子系(xi)(xi)(xi)統(tong)(tong)內的(de)(de)(de)(de)(de)(de)變(bian)(bian)壓器(qi)的(de)(de)(de)(de)(de)(de)進線(xian)側(ce)電(dian)(dian)(dian)流(liu)以及所屬(shu)供(gong)(gong)電(dian)(dian)(dian)子系(xi)(xi)(xi)統(tong)(tong)內的(de)(de)(de)(de)(de)(de)弧(hu)光(guang)傳感器(qi)的(de)(de)(de)(de)(de)(de)弧(hu)光(guang)檢(jian)(jian)測(ce)(ce)信(xin)號(hao)，在進線(xian)側(ce)電(dian)(dian)(dian)流(liu)大于(yu)等于(yu)目標保(bao)(bao)(bao)護(hu)電(dian)(dian)(dian)流(liu)整定(ding)值，且弧(hu)光(guang)檢(jian)(jian)測(ce)(ce)信(xin)號(hao)表征檢(jian)(jian)測(ce)(ce)到弧(hu)光(guang)的(de)(de)(de)(de)(de)(de)情況(kuang)下，斷開所屬(shu)供(gong)(gong)電(dian)(dian)(dian)子系(xi)(xi)(xi)統(tong)(tong)內的(de)(de)(de)(de)(de)(de)變(bian)(bian)壓器(qi)與供(gong)(gong)電(dian)(dian)(dian)網絡(luo)的(de)(de)(de)(de)(de)(de)連接，方(fang)(fang)案兼(jian)顧保(bao)(bao)(bao)護(hu)靈敏度(du)及保(bao)(bao)(bao)護(hu)穩(wen)定(ding)性(xing)，能(neng)夠解決現有技(ji)術中變(bian)(bian)壓器(qi)保(bao)(bao)(bao)護(hu)方(fang)(fang)法存在的(de)(de)(de)(de)(de)(de)問題。

保變(bian)電氣發明了一種變(bian)壓(ya)(ya)器有載(zai)開關電位(wei)電阻的(de)安(an)(an)裝結構及方(fang)法，屬(shu)于變(bian)壓(ya)(ya)器制作技術領域。發明的(de)有益效果(guo)是：既滿足(zu)安(an)(an)裝需求(qiu)(qiu)，同時(shi)又能降低開關固定板(ban)的(de)強度(du)要求(qiu)(qiu)，并且能充分(fen)利用油(you)箱內的(de)空間，方(fang)便引線的(de)裝配。

特變電(dian)工申請了一(yi)種“變壓器絕緣(yuan)件(jian)的(de)測試(shi)(shi)工裝”發明(ming)專利。采用此發明(ming)測試(shi)(shi)工裝能夠得到對應不同抽真空階段(duan)的(de)絕緣(yuan)件(jian)樣品，以(yi)及得到對應不同注油階段(duan)的(de)絕緣(yuan)件(jian)樣品。

小編在(zai)國(guo)家知(zhi)識產權局網(wang)站中以“變(bian)(bian)(bian)壓(ya)器”為“發明名稱”進行檢(jian)索，發現截至2023年(nian)(nian)10月20日，變(bian)(bian)(bian)壓(ya)器行業共計有115067項專(zhuan)利(li)。在(zai)2018年(nian)(nian)至2022年(nian)(nian)期(qi)間，變(bian)(bian)(bian)壓(ya)器專(zhuan)利(li)申請數量(liang)整體呈波動趨勢，其(qi)中2020年(nian)(nian)全(quan)行業申請最多，全(quan)年(nian)(nian)共申請了13673項變(bian)(bian)(bian)壓(ya)器專(zhuan)利(li)。