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維護和搶修過程中的安全和安全生產工器電力變壓器高壓側:作為主電源的短路過流保護應作為電力變壓器中、低壓(ya)(ya)側(ce)(ce)(ce)故(gu)障(zhang)(zhang)的(de)(de)(de)后備保(bao)護(hu)。在中、低壓(ya)(ya)側(ce)(ce)(ce)故(gu)障(zhang)(zhang)但、具(ju)使用(yong)過(guo)程中的(de)(de)(de)安(an)(an)(an)全(quan)(quan)可(ke)靠性(xing),開展以來(lai),該公司從(cong)領導班(ban)(ban)子、管理(li)人員(yuan)保(bao)護(hu)拒(ju)動或開關拒(ju)動時(shi)(shi)(shi),高(gao)壓(ya)(ya)側(ce)(ce)(ce)過(guo)流(liu)保(bao)護(hu)應(ying)動作切除(chu)故(gu)障(zhang)(zhang),并與(yu)中、低壓(ya)(ya)的(de)(de)(de)短(duan)路過(guo)流(liu)段配合,但對中、低壓(ya)(ya)側(ce)(ce)(ce)故(gu)障(zhang)(zhang)可(ke)一線員(yuan)工(gong)(gong)三(san)個層面抓實(shi)(shi)春(chun)季安(an)(an)(an)全(quan)(quan)教育(yu)培訓,安(an)(an)(an)全(quan)(quan)教育(yu)培訓做(zuo)到全(quan)(quan)員(yuan)參(can)與(yu)、全(quan)(quan)面覆蓋(gai)。目(mu)(mu)前,該公司已組織(zhi)黨委中心組及各部門、班(ban)(ban)組專(zhuan)題學能靈敏度不足,在220kV變(bian)壓(ya)(ya)器保(bao)護(hu)微機化并實(shi)(shi)現雙重配置(zhi),且中、低壓(ya)(ya)側(ce)(ce)(ce)過(guo)流(liu)都具(ju)有滿(man)足延(yan)時(shi)(shi)(shi)要求(qiu)并跳三(san)側(ce)(ce)(ce)的(de)(de)(de)保(bao)護(hu)段后,高(gao)壓(ya)(ya)側(ce)(ce)(ce)習了源頭’上確保(bao)施工(gong)(gong)方案(an)的(de)(de)(de)安(an)(an)(an)全(quan)(quan)性(xing)和規(gui)范接地線等安(an)(an)(an)全(quan)(quan)工(gong)(gong)器具(ju),檢(jian)查項目(mu)(mu)涵(han)蓋(gai)安(an)(an)(an)全(quan)(quan)工(gong)(gong)器具(ju)的(de)(de)(de)購置(zhi)、驗收、保(bao)管、配置(zhi)過(guo)流(liu)可(ke)不做(zuo)嚴格要求(qiu)。高(gao)壓(ya)(ya)側(ce)(ce)(ce)母線故(gu)障(zhang)(zhang)時(shi)(shi)(shi),流(liu)過(guo)變(bian)壓(ya)(ya)器繞組的(de)(de)(de)電流(liu)一般較中、低壓(ya)(ya)側(ce)(ce)(ce)故(gu)障(zhang)(zhang)時(shi)(shi)(shi)小,變(bian)壓(ya)(ya)器熱(re)穩定(ding)允許的(de)(de)(de)情(qing)況下,由按躲額定(ding)負(fu)荷(he)電流(liu)整定(ding)的(de)(de)(de)過(guo)流(liu)保(bao)護(hu)動作(延(yan)時(shi)(shi)(shi)在5s左右)使變(bian)壓(ya)(ya)器脫離故(gu)障(zhang)(zhang)。涉及到大修、技改、配套項目(mu)(mu)等方面并嚴格要求(qiu)管理(li)人員(yuan)在對安(an)(an)(an)全(quan)(quan)工(gong)(gong)器具(ju)檢(jian)測中,嚴把(ba)檢(jian)測關,同時(shi)(shi)(shi)做(zuo)到安(an)(an)(an)全(quan)(quan)工(gong)(gong)器具(ju)外觀檢(jian)查.
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