干式變壓器要經常檢查嗎?
長期使用干式變壓器后,可能會出現各種小問題。干式變壓器應經常檢查,以防止干式變壓器長時間使用后發生事故,并可保持干式變壓器的檢查。干式變壓器正常且安全地運行。
檢查干式變壓(ya)器(qi)時(shi),應檢測并巡檢三相線(xian)圈繞組(zu)(zu)溫度,或僅顯示(shi)(shi)(shi)三相線(xian)圈繞組(zu)(zu)較高相位的溫度。在(zai)巡視顯示(shi)(shi)(shi)期間,每(mei)個(ge)階段顯示(shi)(shi)(shi)約8秒。當傳感器(qi)發生故障(zhang)時(shi),相應的A,B,C相指示(shi)(shi)(shi)燈亮起,并且風扇(shan)啟動,機器(qi)發出(chu)蜂鳴聲并且警報觸(chu)點打開。顯示(shi)(shi)(shi)屏(ping)顯示(shi)(shi)(shi)X-HO或X-LO,其中X表示(shi)(shi)(shi)故障(zhang)相位。
當干式變(bian)壓器中(zhong)的(de)三相線(xian)包繞組中(zhong)的(de)一個(ge)達(da)到設定的(de)過溫(wen)(wen)報(bao)警溫(wen)(wen)度(du)時(shi),溫(wen)(wen)度(du)控(kong)(kong)制器發出聲音和強光報(bao)警,并打開報(bao)警輸出端子(通常,兩(liang)個(ge)端子斷(duan)開,報(bao)警時(shi)會(hui)打開),提供開關信號,給遙控(kong)(kong)器柜發出聲光報(bao)警。
干式(shi)變(bian)壓器(qi)可(ke)(ke)手動(dong)(dong)(dong)啟(qi)(qi)動(dong)(dong)(dong)和關閉(bi)風(feng)(feng)(feng)(feng)(feng)扇(shan)功(gong)能,按風(feng)(feng)(feng)(feng)(feng)扇(shan)按鈕(niu),風(feng)(feng)(feng)(feng)(feng)扇(shan)啟(qi)(qi)動(dong)(dong)(dong),按風(feng)(feng)(feng)(feng)(feng)扇(shan)按鈕(niu),風(feng)(feng)(feng)(feng)(feng)扇(shan)關閉(bi)。如(ru)果(guo)在(zai)沒(mei)有手動(dong)(dong)(dong)關閉(bi)風(feng)(feng)(feng)(feng)(feng)扇(shan)的(de)情況下啟(qi)(qi)動(dong)(dong)(dong)手動(dong)(dong)(dong)風(feng)(feng)(feng)(feng)(feng)扇(shan),風(feng)(feng)(feng)(feng)(feng)扇(shan)將(jiang)在(zai)啟(qi)(qi)動(dong)(dong)(dong)約15分鐘(zhong)后(hou)自動(dong)(dong)(dong)關閉(bi)。干式(shi)變(bian)壓器(qi)具有自檢功(gong)能,可(ke)(ke)以(yi)模擬輸(shu)(shu)入溫(wen)(wen)度(du)信號(hao),并使溫(wen)(wen)度(du)控制器(qi)相(xiang)(xiang)應控制。當其中(zhong)一個三相(xiang)(xiang)線圈(quan)繞(rao)組(zu)(zu)達到設定(ding)(ding)的(de)風(feng)(feng)(feng)(feng)(feng)扇(shan)啟(qi)(qi)動(dong)(dong)(dong)溫(wen)(wen)度(du)時,風(feng)(feng)(feng)(feng)(feng)扇(shan)自動(dong)(dong)(dong)啟(qi)(qi)動(dong)(dong)(dong),風(feng)(feng)(feng)(feng)(feng)扇(shan)啟(qi)(qi)動(dong)(dong)(dong)時風(feng)(feng)(feng)(feng)(feng)扇(shan)指(zhi)示燈亮。當三相(xiang)(xiang)線圈(quan)繞(rao)組(zu)(zu)的(de)一相(xiang)(xiang)溫(wen)(wen)度(du)大于設定(ding)(ding)的(de)風(feng)(feng)(feng)(feng)(feng)扇(shan)接近值時,風(feng)(feng)(feng)(feng)(feng)扇(shan)自動(dong)(dong)(dong)關閉(bi)。當三組(zu)(zu)線包繞(rao)組(zu)(zu)中(zhong)的(de)一組(zu)(zu)達到設定(ding)(ding)的(de)跳閘(zha)溫(wen)(wen)度(du)值時,恒溫(wen)(wen)器(qi)接通跳閘(zha)輸(shu)(shu)出端(duan)子,以(yi)向遙控柜提供開關信號(hao)以(yi)激活跳閘(zha)電路。
檢查干式變(bian)壓器時,請務(wu)必注意以(yi)下幾(ji)點(dian):
1.在使(shi)用(yong)干式變壓器之前,請仔(zi)細閱讀(du)說(shuo)明書(shu)。
2.請勿(wu)使用打火機(ji)燒烤傳感器(qi)頭。
3.整機安裝在(zai)固定(ding)板上后,連接相應(ying)的引線,正(zheng)確操作和變壓器可(ke)靠(kao)運行后即可(ke)發送電源。
4.該恒溫器(qi)采用較新設計,可長時(shi)間可靠運行,無需任何特殊維護(hu)。但是(shi),請避(bi)免長期暴露在(zai)強腐(fu)蝕性氣體中(zhong),導(dao)致(zhi)設備(bei)腐(fu)蝕并影響恒溫器(qi)的性能(neng)。
5.恒溫器是(shi)精密儀器,請保存在(zai)安全的地(di)方。






