電(dian)(dian)網輸出的(de)功(gong)(gong)(gong)(gong)率(lv)包括兩部(bu)分(fen)(fen);一是有功(gong)(gong)(gong)(gong)功(gong)(gong)(gong)(gong)率(lv);二是無功(gong)(gong)(gong)(gong)功(gong)(gong)(gong)(gong)率(lv).直接消(xiao)耗(hao)電(dian)(dian)能(neng)(neng)(neng)(neng)(neng)(neng),把電(dian)(dian)能(neng)(neng)(neng)(neng)(neng)(neng)轉變為(wei)(wei)機(ji)械能(neng)(neng)(neng)(neng)(neng)(neng),熱能(neng)(neng)(neng)(neng)(neng)(neng),化學能(neng)(neng)(neng)(neng)(neng)(neng)或(huo)聲能(neng)(neng)(neng)(neng)(neng)(neng),利(li)用這(zhe)些能(neng)(neng)(neng)(neng)(neng)(neng)作功(gong)(gong)(gong)(gong),這(zhe)部(bu)分(fen)(fen)功(gong)(gong)(gong)(gong)率(lv)稱為(wei)(wei)有功(gong)(gong)(gong)(gong)功(gong)(gong)(gong)(gong)率(lv);不消(xiao)耗(hao)電(dian)(dian)能(neng)(neng)(neng)(neng)(neng)(neng);只是把電(dian)(dian)能(neng)(neng)(neng)(neng)(neng)(neng)轉換為(wei)(wei)另一種形式的(de)能(neng)(neng)(neng)(neng)(neng)(neng),這(zhe)種能(neng)(neng)(neng)(neng)(neng)(neng)作為(wei)(wei)電(dian)(dian)氣設備能(neng)(neng)(neng)(neng)(neng)(neng)夠作功(gong)(gong)(gong)(gong)的(de)必備條件,并且,這(zhe)種能(neng)(neng)(neng)(neng)(neng)(neng)是在電(dian)(dian)網中與電(dian)(dian)能(neng)(neng)(neng)(neng)(neng)(neng)進行周期性轉換,這(zhe)部(bu)分(fen)(fen)功(gong)(gong)(gong)(gong)率(lv)稱為(wei)(wei)無功(gong)(gong)(gong)(gong)功(gong)(gong)(gong)(gong)率(lv),如電(dian)(dian)磁元件建(jian)立磁場(chang)占用的(de)電(dian)(dian)能(neng)(neng)(neng)(neng)(neng)(neng),電(dian)(dian)容器建(jian)立電(dian)(dian)場(chang)所(suo)占的(de)電(dian)(dian)能(neng)(neng)(neng)(neng)(neng)(neng).

電力中補償(chang)模組的諧波放大問(wen)題解決(jue)辦法

另(ling)外由于可(ke)控(kong)硅的(de)觸發(fa)次數沒有(you)限制，可(ke)以實現準動(dong)態補償(chang)（響(xiang)應時間在毫秒級），因(yin)此適用(yong)于電容(rong)器(qi)的(de)頻(pin)繁投(tou)切(qie)(qie)，非常適用(yong)于頻(pin)繁變化(hua)的(de)負荷(he)情況(kuang)，相(xiang)對于交流接觸器(qi)有(you)了質的(de)飛躍(yue)。可(ke)控(kong)硅開(kai)關的(de)缺點是結構復雜、體(ti)積(ji)大(da)、損耗大(da)、成本高、可(ke)靠(kao)性差，優點是能實現過零投(tou)切(qie)(qie)、動(dong)作迅速、反應快，多用(yong)于動(dong)態補償(chang)的(de)場合，而不適用(yong)于常規低壓(ya)電容(rong)器(qi)投(tou)切(qie)(qie)的(de)無功補償(chang)裝置(zhi)中。

變電(dian)(dian)(dian)(dian)站(zhan)(zhan)補(bu)(bu)償(chang)(chang)：針對電(dian)(dian)(dian)(dian)網(wang)的無功(gong)(gong)(gong)平(ping)衡(heng)，在變電(dian)(dian)(dian)(dian)站(zhan)(zhan)進行集中補(bu)(bu)償(chang)(chang)，補(bu)(bu)償(chang)(chang)裝置包(bao)括并(bing)聯電(dian)(dian)(dian)(dian)容(rong)器(qi)、同步調相(xiang)機、靜止補(bu)(bu)償(chang)(chang)器(qi)等(deng)，主要目的是平(ping)衡(heng)電(dian)(dian)(dian)(dian)網(wang)的無功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)，改(gai)善電(dian)(dian)(dian)(dian)網(wang)的功(gong)(gong)(gong)率(lv)因(yin)數，提高(gao)系統終端變電(dian)(dian)(dian)(dian)所的母線電(dian)(dian)(dian)(dian)壓，補(bu)(bu)償(chang)(chang)變電(dian)(dian)(dian)(dian)站(zhan)(zhan)主變壓器(qi)和高(gao)壓輸電(dian)(dian)(dian)(dian)線路的無功(gong)(gong)(gong)損耗(hao)。這(zhe)些補(bu)(bu)償(chang)(chang)裝置一般集中接在變電(dian)(dian)(dian)(dian)站(zhan)(zhan)10kV母線上(shang)，因(yin)此(ci)具有管理容(rong)易、維護方便(bian)等(deng)優(you)點，缺點是這(zhe)種補(bu)(bu)償(chang)(chang)方式對10kV配(pei)電(dian)(dian)(dian)(dian)網(wang)的降損不起(qi)作用(yong)。