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電網中的電力負荷如電動機、變壓器等,大部分屬于感性負荷,在運行過程中需向這些設備提供相應的無功功率。在電網中安裝并聯電容器等無功補償設備以后,可以提供感性負載所消耗的無功功率,減少了電網電源向感性負荷提供、由線路輸送的無功功率,由于減少了無功功率在電網中的流動,因此可以降低線路和變壓器因輸送無功功率造成的電能損耗,這就是無功補償。

無功補償原理

首先(xian)你要了解(jie)什么叫(jiao)無(wu)功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)。 無(wu)功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)就是不消耗電(dian)(dian)能(neng)(neng)(neng)的(de)用電(dian)(dian)設(she)備所消耗的(de)功(gong)(gong)(gong)率(lv)(lv),在電(dian)(dian)力系(xi)統(tong)中,無(wu)功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)用來建(jian)立磁(ci)(ci)場(chang),作為交(jiao)換能(neng)(neng)(neng)量使用,他(ta)們由電(dian)(dian)能(neng)(neng)(neng)轉(zhuan)化為磁(ci)(ci)場(chang),再由磁(ci)(ci)場(chang)轉(zhuan)化換為電(dian)(dian)能(neng)(neng)(neng),對外(wai)部電(dian)(dian)路(lu)不做工。但是無(wu)功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)并不是無(wu)用之(zhi)功(gong)(gong)(gong)。沒有這(zhe)(zhe)部分功(gong)(gong)(gong)率(lv)(lv),就不能(neng)(neng)(neng)建(jian)立感應(ying)磁(ci)(ci)場(chang),電(dian)(dian)動機變(bian)壓器等用電(dian)(dian)設(she)備就不能(neng)(neng)(neng)正常(chang)工作,對無(wu)功(gong)(gong)(gong)補償(chang)的(de)補償(chang)原則是既(ji)不能(neng)(neng)(neng)少補,也不能(neng)(neng)(neng)補償(chang)過量。 很多電(dian)(dian)氣設(she)備的(de)無(wu)功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)比較大,所以(yi)要對它進(jin)行無(wu)功(gong)(gong)(gong)補償(chang),把這(zhe)(zhe)樣的(de)無(wu)功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)補償(chang)進(jin)去以(yi)后,能(neng)(neng)(neng)提(ti)高功(gong)(gong)(gong)率(lv)(lv)因(yin)素。改善用電(dian)(dian)質量。

簡述DSP的工程(cheng)文件與內部(bu)啟動(dong)過程(cheng)

本文將公(gong)司常用的(de)(de)(de)DSP系列芯片作(zuo)為主(zhu)要描述對象,內容(rong)涉及其工(gong)程文件的(de)(de)(de)簡介和啟(qi)動過程的(de)(de)(de)簡單梳理,文中的(de)(de)(de)內容(rong)多來自(zi)工(gong)作(zuo)實(shi)踐和自(zi)己的(de)(de)(de)理解(jie)(jie),以(yi)具體的(de)(de)(de)工(gong)程應用為主(zhu),意在(zai)與大(da)家進(jin)行技(ji)術(shu)(shu)交流(liu),同(tong)時作(zuo)為簡單的(de)(de)(de)技(ji)術(shu)(shu)積累,由于內容(rong)主(zhu)觀,不(bu)免(mian)有錯誤的(de)(de)(de)理解(jie)(jie)和描述,誤導之處還請(qing)諒解(jie)(jie)!并期待大(da)家的(de)(de)(de)提(ti)點!
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