夠的(de)(de)(de)(de)通風量，通過以(yi)上(shang)手(shou)段(duan)預計(ji)降低噪為(wei)25-30DBA。 排(pai)氣(qi)噪聲是機(ji)(ji)(ji)(ji)組的(de)(de)(de)(de)主(zhu)要(yao)噪聲源(yuan)，采(cai)用二只消音器串聯(lian)進行(xing)二次消聲，預計(ji)可(ke)降低TL=30-40DBA，另一(yi)方面排(pai)氣(qi)管道連接須(xu)密封性能良好，一(yi)部分(fen)噪聲通過排(pai)煙管排(pai)到(dao)大(da)氣(qi)。為(wei)防止機(ji)(ji)(ji)(ji)組長(chang)(chang)時間(jian)運行(xing)后，機(ji)(ji)(ji)(ji)房溫度上(shang)升，影響機(ji)(ji)(ji)(ji)組的(de)(de)(de)(de)輸(shu)出(chu)功(gong)(gong)(gong)率，機(ji)(ji)(ji)(ji)組的(de)(de)(de)(de)廢氣(qi)排(pai)氣(qi)管和(he)排(pai)煙消聲器進行(xing)絕熱(re)和(he)保溫處理。 很多客(ke)戶(hu)在(zai)選擇發(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)的(de)(de)(de)(de)時候，對發(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)的(de)(de)(de)(de)功(gong)(gong)(gong)率很難抉擇。比如。客(ke)戶(hu)的(de)(de)(de)(de)電(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)(ji) 功(gong)(gong)(gong)率是75kw總功(gong)(gong)(gong)率是120kw，應(ying)該選擇多大(da)功(gong)(gong)(gong)率的(de)(de)(de)(de)發(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)呢？ 　 發(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)選擇：要(yao)根據視(shi)在(zai)功(gong)(gong)(gong)率來計(ji)算負荷=發(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)容量即可(ke)， 　　比如滿負荷200KW， 無功(gong)(gong)(gong)補(bu)償(chang)后的(de)(de)(de)(de)功(gong)(gong)(gong)率因數0.9，那么200/0.9=222kw，選222KW以(yi)上(shang)的(de)(de)(de)(de)發(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)就(jiu)可(ke)以(yi)了(le)。 　　柴(chai)(chai)油(you)發(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)組的(de)(de)(de)(de)輸(shu)出(chu)功(gong)(gong)(gong)率的(de)(de)(de)(de)0.8倍，為(wei)實際(ji)發(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)組的(de)(de)(de)(de)輸(shu)出(chu)功(gong)(gong)(gong)率，這樣，既(ji)可(ke)以(yi)保住(zhu)發(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)組不(bu)超(chao)載運行(xing)，也可(ke)以(yi)保證發(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)組不(bu)會長(chang)(chang)期(qi)低負荷運行(xing)，從而延長(chang)(chang)柴(chai)(chai)油(you)