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――高壓變頻器係統旁路試驗裝置介紹 為解決高壓變頻器係統旁路試驗過程中存在的效率低、不安全問題,提高試驗的效率和安全性,技術工藝部於2006年7月中旬研製出了高壓變頻器係統旁路試驗裝置,並於2006年9月份投入使用。 zaigaizhuangzhiweitourushiyongqian,gaoyabianpinqixitongpanglushiyancaiyongdefangfashizaiduandiandeqingkuangxia,bagonglvmokuaishurusanxiangbaoxianzhongdeyigequxialai,yongdaoxianjiangbaoxianzuodeliangduangouqilai,zaishuanyigenchangshengdaozhetiaodaoxianshang,kaiqigaoyabianpinqihedianjihou,shiyanrenyuanzailishebeishijimiyuandedifanglazhegenshengzi,yiduankaigouzaibaoxianzuoshangdedaoxian,zhizaochugonglvmokuaiquexiangguzhang,yicishiyangaigonglvmokuaipangluyunxinggongnengshifouzhengchang。ruguozhengchang,zeduandianhuifubaoxianhouzaiantongyangdebuzhouzuoxiayigegonglvmokuaidepanglushiyan。kejianzhezhongshiyanfangfajibuanquan,xiaolvyoudi,caozuoqilaihaibufangbian,xinkaifadegaoyabianpinqixitongpanglushiyanzhuangzhizaigongzuoyuanlijineibujiegoushangbimianlezhexiequedian。 據旁路試驗裝置的設計者生產副總監兼技術工藝部經理王少棟介紹,裝置采用高壓繼電器(耐壓12kV)代替功率模塊上其中一相的輸入熔斷器,通過控製繼電器接點的斷開製造模塊缺相而試驗模塊旁路功能。主回路選用9個ge高gao壓ya繼ji電dian器qi,按an功gong率lv模mo塊kuai的de排pai列lie順shun序xu排pai布bu,試shi驗yan時shi可ke以yi一yi次ci同tong時shi接jie九jiu個ge功gong率lv模mo塊kuai。裝zhuang置zhi側ce通tong過guo高gao壓ya快kuai速su接jie線xian插cha頭tou座zuo實shi現xian快kuai速su而er安an全quan的de接jie線xian,功gong率lv模mo塊kuai側ce采cai用yong接jie線xian夾jia子zi。為wei保bao證zheng試shi驗yan時shi人ren身shen的de絕jue對dui安an全quan,繼ji電dian器qi的de動dong作zuo通tong過guo遙yao控kong的de方fang式shi實shi現xian。在zai整zheng個ge試shi驗yan過guo程cheng中zhong,除chu接jie線xian和he拆chai線xian兩liang個ge步bu驟zhou是shi在zai未wei上shang電dian時shi進jin行xing的de,上shang電dian後hou的de其qi它ta操cao作zuo,試shi驗yan操cao作zuo人ren員yuan均jun可ke遠yuan離li試shi驗yan箱xiang。裝zhuang置zhi采cai用yong了le手shou提ti箱xiang的de外wai結jie構gou形xing式shi,試shi驗yan所suo需xu線xian纜lan均jun可ke收shou入ru其qi中zhong,便bian於yu攜xie帶dai和he移yi動dong。 該裝置的具體使用人――品質管理部豐海波說:“使用這個工裝後給我們帶來了很多的方便,大大提高了工作效率,它的優點主要體現在四方麵:一是節省時間。以前使用手工方式做旁路試驗,上一次電隻能做2個功率模塊的試驗,使用試驗裝置後一次能做9個。如8級的功率模塊,用試驗裝置上電3次就能做完了,用手工的方式要上電12ci。ershianquan。yiqiandeshougongfangshiyaoyongdaiyoulianggejiazidedaoxianqudairongxin,zaiyongshengzishuanzhudaoxianbajiazicongrongduanqizuoshanglaxialai,zheyanghenrongyizaochengduanludengqingkuang,taibuanquan,yongshangzhegezhuangzhihoujiubuhuichuxianzhezhongqingkuang。sanshishengdian,yiqiandeshougongfangshizuoshiyandeshihou,meishangyicidiandouyaodengdaodianjizhuandao35Hz時才能做,現在隻要不斷高壓電,我們用非車啟動,很快就可以到35Hz,對於8級的功率模塊,電機隻需啟動3次就可以了,特別省電。四是操作簡單。直接用遙控器就可以按鍵操作了,用起來很方便。” 以6kV係列的高壓變頻器為例,如為5級串聯,共計15個功率模塊,用以前的手工方式做旁路試驗,算上通斷高壓電、啟停電機、拆連功率模塊線路等時間,一個功率模塊的旁路測試最少需時10分鍾,15個功率模塊最少需要150分鍾的時間,而采用實驗裝置後,15個功率模塊的旁路實驗隻需要約30分鍾的時間,節省了最少4/5的de時shi間jian。另ling外wai,采cai用yong以yi前qian的de手shou段duan做zuo功gong率lv模mo塊kuai旁pang路lu試shi驗yan非fei常chang危wei險xian,一yi旦dan線xian沒mei拉la好hao,很hen有you可ke能neng造zao成cheng短duan路lu,不bu論lun對dui於yu設she備bei還hai是shi人ren身shen來lai說shuo,潛qian藏zang著zhe巨ju大da的de危wei險xian,而er采cai用yong旁pang路lu試shi驗yan裝zhuang置zhi後hou,直zhi接jie通tong過guo遙yao控kong器qi的de按an鍵jian來lai操cao作zuo,既ji方fang便bian,又you安an全quan。 公(gong)司(si)勵(li)行(xing)節(jie)約(yue),節(jie)約(yue)生(sheng)產(chan)在(zai)生(sheng)產(chan)過(guo)程(cheng)中(zhong)處(chu)處(chu)體(ti)現(xian),變(bian)頻(pin)器(qi)係(xi)統(tong)旁(pang)路(lu)試(shi)驗(yan)方(fang)法(fa)的(de)改(gai)進(jin),就(jiu)是(shi)一(yi)個(ge)很(hen)好(hao)的(de)例(li)證(zheng)。做(zuo)變(bian)頻(pin)器(qi)係(xi)統(tong)旁(pang)路(lu)試(shi)驗(yan)的(de)時(shi)候(hou)要(yao)帶(dai)電(dian)機(ji),並(bing)且(qie)在(zai)電(dian)機(ji)轉(zhuan)矩(ju)達(da)到(dao)一(yi)定(ding)赫(he)茲(zi)的(de)時(shi)候(hou)才(cai)能(neng)做(zuo),采(cai)用(yong)以(yi)前(qian)的(de)手(shou)工(gong)方(fang)法(fa)時(shi),每(mei)個(ge)功(gong)率(lv)模(mo)塊(kuai)旁(pang)路(lu)試(shi)驗(yan)中(zhong)間(jian)間(jian)隔(ge)時(shi)間(jian)很(hen)長(chang),因(yin)此(ci),每(mei)個(ge)功(gong)率(lv)模(mo)塊(kuai)在(zai)做(zuo)旁(pang)路(lu)試(shi)驗(yan)時(shi),電(dian)機(ji)都(dou)是(shi)從(cong)靜(jing)止(zhi)狀(zhuang)態(tai)重(zhong)新(xin)啟(qi)動(dong)。還(hai)以(yi)6kV、5級串聯的高壓變頻器為例,15個功率模塊,電機則需啟動15次(ci),這(zhe)樣(yang)就(jiu)浪(lang)費(fei)了(le)不(bu)少(shao)電(dian)。而(er)在(zai)采(cai)用(yong)了(le)旁(pang)路(lu)試(shi)驗(yan)裝(zhuang)置(zhi)後(hou),每(mei)個(ge)功(gong)率(lv)模(mo)塊(kuai)旁(pang)路(lu)試(shi)驗(yan)中(zhong)間(jian)間(jian)隔(ge)的(de)時(shi)間(jian)很(hen)短(duan),因(yin)此(ci)電(dian)機(ji)可(ke)以(yi)飛(fei)車(che)啟(qi)動(dong),電(dian)機(ji)從(cong)靜(jing)止(zhi)狀(zhuang)態(tai)啟(qi)動(dong)隻(zhi)需(xu)2次,節省了很多電量,從而達到了節能效果。 可ke以yi說shuo,變bian頻pin器qi旁pang路lu試shi驗yan裝zhuang置zhi研yan製zhi成cheng功gong具ju有you重zhong要yao的de意yi義yi,縮suo短duan了le整zheng機ji調tiao試shi的de時shi間jian,大da大da提ti高gao了le工gong作zuo效xiao率lv,同tong時shi,使shi旁pang路lu試shi驗yan手shou段duan更geng加jia規gui範fan、合理,使調試人員操作起來更方便、快捷、安全。
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