功率(lv)補(bu)(bu)(bu)償裝(zhuang)置(zhi)在電子(zi)供(gong)電系(xi)(xi)統中所承擔的(de)(de)(de)作用(yong)是提(ti)高電網的(de)(de)(de)功率(lv)因數,降低供(gong)電變壓器及輸送線路的(de)(de)(de)損耗,提(ti)高供(gong)電效率(lv),改善供(gong)電環境。所以無功功率(lv)補(bu)(bu)(bu)償裝(zhuang)置(zhi)在電力(li)供(gong)電系(xi)(xi)統中處在一(yi)個不可缺少的(de)(de)(de)非常(chang)重要的(de)(de)(de)位(wei)置(zhi)。合理的(de)(de)(de)選擇補(bu)(bu)(bu)償裝(zhuang)置(zhi),可以做到 大限度的(de)(de)(de)減少網絡的(de)(de)(de)損耗,使(shi)電網質(zhi)量(liang)提(ti)高。
變壓器(qi)無功補(bu)償元(yuan)件不(bu)補(bu)償的原因(yin)
這(zhe)(zhe)些問題(ti)的(de)(de)(de)出(chu)現都反映(ying)出(chu)現在電(dian)網系統是處于不(bu)(bu)穩(wen)定(ding)(ding)狀態(tai)的(de)(de)(de),這(zhe)(zhe)就使得我(wo)們要(yao)不(bu)(bu)斷地對(dui)電(dian)力系統中的(de)(de)(de)無(wu)功(gong)(gong)(gong)補償裝置(zhi)進行(xing)開發研(yan)究,使之能夠穩(wen)定(ding)(ding)安全被運行(xing)。一(yi)、無(wu)功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)補償技術的(de)(de)(de)原理以(yi)其作(zuo)用在整個電(dian)網系統對(dui)用戶(hu)進行(xing)電(dian)力輸送的(de)(de)(de)過程里面,電(dian)網所需承擔的(de)(de)(de)電(dian)功(gong)(gong)(gong)率(lv)可以(yi)被分為(wei)兩種:一(yi)是有功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv),二是無(wu)功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)。
容(rong)(rong)性無(wu)功(gong)功(gong)率的(de)(de)靜態補(bu)償(chang),一般是(shi)指使(shi)(shi)用(yong)電容(rong)(rong)器來進行(xing)無(wu)功(gong)功(gong)率補(bu)償(chang),因其設(she)備是(shi)靜止(zhi)的(de)(de),所以(yi)稱為靜態補(bu)償(chang)。因其價格便宜,易(yi)安(an)裝(zhuang),現在較(jiao)多使(shi)(shi)用(yong)。容(rong)(rong)性無(wu)功(gong)功(gong)率補(bu)償(chang)問題(ti),只是(shi)跟補(bu)償(chang)設(she)備的(de)(de)安(an)裝(zhuang)容(rong)(rong)量有關系(xi)。或者說是(shi)跟用(yong)戶(hu)的(de)(de)感(gan)性無(wu)功(gong)功(gong)率有關系(xi),不存在補(bu)償(chang)速(su)度(du)問題(ti)。因為容(rong)(rong)性無(wu)功(gong)總是(shi)和(he)感(gan)性無(wu)功(gong)相差180度(du)。