低(di)(di)壓(ya)(ya)(ya)(ya)配電(dian)部(bu)分有(you)進(jin)線柜(ju)和(he)出(chu)(chu)線柜(ju)，當然還(huan)有(you)電(dian)容(rong)(rong)(rong)補(bu)償(chang)柜(ju)。電(dian)容(rong)(rong)(rong)補(bu)償(chang)的(de)(de)(de)意(yi)義是什(shen)么？我們先來看看電(dian)容(rong)(rong)(rong)補(bu)償(chang)的(de)(de)(de)原理。電(dian)容(rong)(rong)(rong)補(bu)償(chang)時(shi)，電(dian)容(rong)(rong)(rong)與負(fu)載并聯，電(dian)容(rong)(rong)(rong)就像電(dian)庫一(yi)樣。當負(fu)載增加時(shi)，由于電(dian)源的(de)(de)(de)內(nei)阻，電(dian)源的(de)(de)(de)輸出(chu)(chu)電(dian)壓(ya)(ya)(ya)(ya)會(hui)下(xia)降。由于電(dian)容(rong)(rong)(rong)兩端(duan)要(yao)維持原來的(de)(de)(de)電(dian)壓(ya)(ya)(ya)(ya)，也(ye)就是電(dian)容(rong)(rong)(rong)中的(de)(de)(de)一(yi)部(bu)分電(dian)會(hui)流(liu)出(chu)(chu)，延(yan)緩了電(dian)壓(ya)(ya)(ya)(ya)的(de)(de)(de)下(xia)降趨(qu)勢。我們具體(ti)來看一(yi)下(xia)為什(shen)么低(di)(di)壓(ya)(ya)(ya)(ya)柜(ju)需要(yao)電(dian)容(rong)(rong)(rong)補(bu)償(chang)。

在低(di)(di)壓電(dian)(dian)(dian)(dian)(dian)力系(xi)(xi)統(tong)中，如電(dian)(dian)(dian)(dian)(dian)動機和(he)其他(ta)線(xian)圈，如電(dian)(dian)(dian)(dian)(dian)抗器等(deng)。這些(xie)器件(jian)不(bu)僅(jin)(jin)從線(xian)路(lu)上獲得一(yi)個(ge)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)來做(zuo)功(gong)(gong)(gong)(gong)(gong)，還從線(xian)路(lu)上消耗(hao)一(yi)個(ge)電(dian)(dian)(dian)(dian)(dian)感電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)來無(wu)所作為，使(shi)得線(xian)路(lu)上的(de)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)增加了一(yi)點。功(gong)(gong)(gong)(gong)(gong)率因(yin)(yin)數(shu)用(yong)于測量(liang)這部分(fen)不(bu)做(zuo)功(gong)(gong)(gong)(gong)(gong)的(de)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)。當電(dian)(dian)(dian)(dian)(dian)感電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)為0時(shi)，功(gong)(gong)(gong)(gong)(gong)率因(yin)(yin)數(shu)等(deng)于1。當電(dian)(dian)(dian)(dian)(dian)感電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)的(de)比例逐漸(jian)增加時(shi)，功(gong)(gong)(gong)(gong)(gong)率因(yin)(yin)數(shu)逐漸(jian)降低(di)(di)。顯然，功(gong)(gong)(gong)(gong)(gong)率因(yin)(yin)數(shu)越低(di)(di)，線(xian)路(lu)上的(de)額外負(fu)擔越大，發電(dian)(dian)(dian)(dian)(dian)機、電(dian)(dian)(dian)(dian)(dian)力變壓器和(he)配電(dian)(dian)(dian)(dian)(dian)裝置上的(de)額外負(fu)擔也(ye)越大。這不(bu)僅(jin)(jin)會(hui)降低(di)(di)線(xian)路(lu)和(he)電(dian)(dian)(dian)(dian)(dian)力設備(bei)的(de)利用(yong)率，還會(hui)增加線(xian)路(lu)上的(de)功(gong)(gong)(gong)(gong)(gong)率損耗(hao)、電(dian)(dian)(dian)(dian)(dian)壓損耗(hao)和(he)供電(dian)(dian)(dian)(dian)(dian)質(zhi)量(liang)。因(yin)(yin)此，應提(ti)(ti)高(gao)功(gong)(gong)(gong)(gong)(gong)率因(yin)(yin)數(shu)。提(ti)(ti)高(gao)功(gong)(gong)(gong)(gong)(gong)率因(yin)(yin)數(shu)最(zui)方便的(de)方法(fa)就是(shi)并(bing)聯電(dian)(dian)(dian)(dian)(dian)容(rong)，產生容(rong)性電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)來抵消感性電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)，把(ba)不(bu)會(hui)做(zuo)功(gong)(gong)(gong)(gong)(gong)的(de)所謂無(wu)功(gong)(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)降低(di)(di)到一(yi)定范圍。無(wu)功(gong)(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)源(yuan)和(he)有功(gong)(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)源(yuan)一(yi)樣(yang)，是(shi)保(bao)(bao)證電(dian)(dian)(dian)(dian)(dian)能(neng)質(zhi)量(liang)不(bu)可缺(que)少的(de)一(yi)部分(fen)。電(dian)(dian)(dian)(dian)(dian)力系(xi)(xi)統(tong)中應保(bao)(bao)持(chi)無(wu)功(gong)(gong)(gong)(gong)(gong)功(gong)(gong)(gong)(gong)(gong)率平衡，否則(ze)會(hui)使(shi)系(xi)(xi)統(tong)電(dian)(dian)(dian)(dian)(dian)壓降低(di)(di)，設備(bei)損壞，功(gong)(gong)(gong)(gong)(gong)率因(yin)(yin)數(shu)下降。嚴重(zhong)時(shi)會(hui)電(dian)(dian)(dian)(dian)(dian)壓崩潰(kui)，系(xi)(xi)統(tong)開裂，造成大面積停電(dian)(dian)(dian)(dian)(dian)。因(yin)(yin)此，解決電(dian)(dian)(dian)(dian)(dian)網無(wu)功(gong)(gong)(gong)(gong)(gong)容(rong)量(liang)不(bu)足的(de)問題，加裝無(wu)功(gong)(gong)(gong)(gong)(gong)補償設備(bei)，提(ti)(ti)高(gao)網絡的(de)功(gong)(gong)(gong)(gong)(gong)率因(yin)(yin)數(shu)，以降低(di)(di)電(dian)(dian)(dian)(dian)(dian)能(neng)損耗(hao)，節約電(dian)(dian)(dian)(dian)(dian)能(neng)，安全(quan)可靠地運(yun)行，是(shi)極其重(zhong)要的(de)。

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