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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

首先你要了解什么叫無(wu)(wu)(wu)(wu)功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)(lv)。 無(wu)(wu)(wu)(wu)功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)(lv)就是不(bu)消耗(hao)電(dian)(dian)能(neng)的用(yong)電(dian)(dian)設(she)備(bei)所(suo)消耗(hao)的功(gong)(gong)(gong)率(lv)(lv)(lv),在電(dian)(dian)力系統中,無(wu)(wu)(wu)(wu)功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)(lv)用(yong)來(lai)建立磁(ci)場,作為交換(huan)能(neng)量(liang)使用(yong),他們由電(dian)(dian)能(neng)轉(zhuan)化(hua)為磁(ci)場,再由磁(ci)場轉(zhuan)化(hua)換(huan)為電(dian)(dian)能(neng),對外部電(dian)(dian)路不(bu)做工。但是無(wu)(wu)(wu)(wu)功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)(lv)并不(bu)是無(wu)(wu)(wu)(wu)用(yong)之(zhi)功(gong)(gong)(gong)。沒有這部分(fen)功(gong)(gong)(gong)率(lv)(lv)(lv),就不(bu)能(neng)建立感應磁(ci)場,電(dian)(dian)動機變壓器(qi)等用(yong)電(dian)(dian)設(she)備(bei)就不(bu)能(neng)正常工作,對無(wu)(wu)(wu)(wu)功(gong)(gong)(gong)補(bu)償(chang)的補(bu)償(chang)原則是既不(bu)能(neng)少補(bu),也不(bu)能(neng)補(bu)償(chang)過量(liang)。 很多電(dian)(dian)氣設(she)備(bei)的無(wu)(wu)(wu)(wu)功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)(lv)比較大,所(suo)以要對它進(jin)行無(wu)(wu)(wu)(wu)功(gong)(gong)(gong)補(bu)償(chang),把這樣的無(wu)(wu)(wu)(wu)功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)(lv)補(bu)償(chang)進(jin)去以后,能(neng)提高功(gong)(gong)(gong)率(lv)(lv)(lv)因素。改善用(yong)電(dian)(dian)質(zhi)量(liang)。

簡述DSP的(de)工程文件(jian)與內部啟動過(guo)程

本文(wen)(wen)將公司常用的(de)(de)DSP系列芯片作(zuo)為主(zhu)要描述對象,內(nei)容(rong)涉及其工(gong)(gong)程文(wen)(wen)件的(de)(de)簡介和(he)(he)啟動(dong)過程的(de)(de)簡單梳理,文(wen)(wen)中(zhong)的(de)(de)內(nei)容(rong)多來自工(gong)(gong)作(zuo)實踐和(he)(he)自己的(de)(de)理解(jie),以具體的(de)(de)工(gong)(gong)程應(ying)用為主(zhu),意(yi)在與(yu)大(da)家進行技術(shu)交流,同時作(zuo)為簡單的(de)(de)技術(shu)積累,由于內(nei)容(rong)主(zhu)觀(guan),不(bu)免有錯(cuo)誤的(de)(de)理解(jie)和(he)(he)描述,誤導(dao)之處還請諒解(jie)!并期待大(da)家的(de)(de)提(ti)點!
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