為什么新安裝或檢修的干式變壓器剛投入運行時
回答:
新安裝(zhuang)或檢修(xiu)的(de)干(gan)式(shi)(shi)變壓(ya)(ya)器(qi)在加油和濾油過程中,如(ru)(ru)果不(bu)小心(xin),會(hui)將空(kong)(kong)氣帶入干(gan)式(shi)(shi)變壓(ya)(ya)器(qi)的(de)油箱。如(ru)(ru)果投入運(yun)行(xing)前空(kong)(kong)氣沒有及(ji)時排(pai)出,干(gan)式(shi)(shi)變壓(ya)(ya)器(qi)投入運(yun)行(xing)后,油箱內的(de)油會(hui)形成對流,將空(kong)(kong)氣趕(gan)出油面(mian),從而使氣體繼電(dian)(dian)器(qi)動作(zuo)(zuo)(zuo)。一般來(lai)說,內部氣體越多,氣體繼電(dian)(dian)器(qi)工作(zuo)(zuo)(zuo)越頻(pin)繁(fan)。在運(yun)行(xing)初期(qi),如(ru)(ru)果發現(xian)氣體繼電(dian)(dian)器(qi)動作(zuo)(zuo)(zuo)頻(pin)繁(fan),應根(gen)據干(gan)式(shi)(shi)變壓(ya)(ya)器(qi)的(de)聲(sheng)音、溫度(du)、油位(wei)、加油和濾油情況進(jin)行(xing)綜(zong)合分析。如(ru)(ru)果干(gan)式(shi)(shi)變壓(ya)(ya)器(qi)運(yun)行(xing)正常,可以判斷是進(jin)氣造成的(de)






