我(wo)國(guo)電(dian)(dian)(dian)價(jia)(jia)政策規(gui)定(ding)，所有用(yong)(yong)電(dian)(dian)(dian)設備(bei)(bei)容量超(chao)過(guo)(guo)100kV的(de)(de)用(yong)(yong)戶(hu)。甲(千瓦(wa))應按電(dian)(dian)(dian)價(jia)(jia)調整電(dian)(dian)(dian)費(fei)，電(dian)(dian)(dian)價(jia)(jia)低(di)于(yu)規(gui)定(ding)值的(de)(de)要(yao)罰款。已經說過(guo)(guo)，無(wu)功(gong)補(bu)(bu)償可以提高電(dian)(dian)(dian)價(jia)(jia)，減少或避免因電(dian)(dian)(dian)價(jia)(jia)低(di)而(er)產生的(de)(de)電(dian)(dian)(dian)費(fei)，從(cong)而(er)節省電(dian)(dian)(dian)費(fei)。低(di)壓(ya)單獨補(bu)(bu)償是指根據單個電(dian)(dian)(dian)氣(qi)(qi)(qi)設備(bei)(bei)的(de)(de)無(wu)功(gong)功(gong)率(lv)(lv)需求，將一個或多個低(di)壓(ya)電(dian)(dian)(dian)容器組與(yu)(yu)電(dian)(dian)(dian)氣(qi)(qi)(qi)設備(bei)(bei)分散(san)并聯。它(ta)通過(guo)(guo)控(kong)制和保護裝置(zhi)與(yu)(yu)電(dian)(dian)(dian)氣(qi)(qi)(qi)設備(bei)(bei)共用(yong)(yong)一套斷路器，同時(shi)與(yu)(yu)電(dian)(dian)(dian)機(ji)共用(yong)(yong)開(kai)關。隨機(ji)補(bu)(bu)償適用(yong)(yong)于(yu)補(bu)(bu)償個別大容量、并網(wang)運行(如(ru)大中型異步電(dian)(dian)(dian)動機(ji))的(de)(de)無(wu)功(gong)功(gong)率(lv)(lv)消耗，主(zhu)要(yao)是補(bu)(bu)償勵磁(ci)無(wu)功(gong)功(gong)率(lv)(lv)。

汽(qi)車生產線補償(chang)模組經濟效益(yi)分析

對于投(tou)(tou)切次(ci)數(shu)(shu)甚少的(de)(de)電容(rong)(rong)(rong)器(qi)(qi)組，按(an)我國移相電容(rong)(rong)(rong)器(qi)(qi)機械行業標準《電熱電容(rong)(rong)(rong)器(qi)(qi)移相電容(rong)(rong)(rong)器(qi)(qi)》JB 1629—75中A.5.3條規定的(de)(de)次(ci)數(shu)(shu)為(wei)每(mei)年允(yun)許(xu)不超過(guo)1000次(ci)，在(zai)這些(xie)情(qing)況下都宜采用手動投(tou)(tou)切的(de)(de)無(wu)功(gong)(gong)功(gong)(gong)率(lv)(lv)補償(chang)(chang)裝置。當(dang)無(wu)法取得無(wu)功(gong)(gong)功(gong)(gong)率(lv)(lv)曲線(xian)時，可(ke)按(an)條文中提供的(de)(de)常用公(gong)式計算無(wu)功(gong)(gong)補償(chang)(chang)容(rong)(rong)(rong)量。

配網(wang)無(wu)功補(bu)(bu)(bu)償(chang)配置(zhi)的(de)(de)基本原則：　第(di)三條電(dian)(dian)(dian)(dian)力系(xi)(xi)統配置(zhi)的(de)(de)無(wu)功補(bu)(bu)(bu)償(chang)裝置(zhi)應能(neng)確(que)保在系(xi)(xi)統有功負(fu)(fu)荷高峰和負(fu)(fu)荷低谷運(yun)行方(fang)式(shi)下，分（電(dian)(dian)(dian)(dian)壓）層(ceng)和分（供(gong)電(dian)(dian)(dian)(dian)）區的(de)(de)無(wu)功平(ping)(ping)衡(heng)。分（電(dian)(dian)(dian)(dian)壓）層(ceng)無(wu)功平(ping)(ping)衡(heng)的(de)(de)重(zhong)點是220kV及(ji)以(yi)上電(dian)(dian)(dian)(dian)壓等級(ji)層(ceng)面(mian)的(de)(de)無(wu)功平(ping)(ping)衡(heng)，分（供(gong)電(dian)(dian)(dian)(dian)）區平(ping)(ping)衡(heng)的(de)(de)重(zhong)點是110kV及(ji)以(yi)下配電(dian)(dian)(dian)(dian)系(xi)(xi)統的(de)(de)無(wu)功平(ping)(ping)衡(heng)。無(wu)功補(bu)(bu)(bu)償(chang)配置(zhi)應根據電(dian)(dian)(dian)(dian)網(wang)情況，實(shi)施分散補(bu)(bu)(bu)償(chang)與(yu)變電(dian)(dian)(dian)(dian)站(zhan)集中補(bu)(bu)(bu)償(chang)相(xiang)結(jie)合，電(dian)(dian)(dian)(dian)網(wang)補(bu)(bu)(bu)償(chang)與(yu)用戶補(bu)(bu)(bu)償(chang)相(xiang)結(jie)合，高壓補(bu)(bu)(bu)償(chang)與(yu)低壓補(bu)(bu)(bu)償(chang)相(xiang)結(jie)合，滿足降損和調壓的(de)(de)需要。