根據(ju)電(dian)(dian)(dian)網需要(yao),對(dui)大用(yong)(yong)戶(hu)(hu)實行(xing)高(gao)峰(feng)功(gong)率(lv)(lv)(lv)因(yin)數(shu)考核,加裝記錄高(gao)峰(feng)時段內(nei)有功(gong)、無(wu)功(gong)電(dian)(dian)(dian)量的電(dian)(dian)(dian)度表,據(ju)以計(ji)算(suan)月平均高(gao)峰(feng)功(gong)率(lv)(lv)(lv)因(yin)數(shu);對(dui)部分(fen)用(yong)(yong)戶(hu)(hu)還可以試運行(xing)高(gao)峰(feng)、低谷兩個時段分(fen)別計(ji)算(suan)功(gong)率(lv)(lv)(lv)因(yin)數(shu)。簡(jian)言之,如(ru)(ru)果用(yong)(yong)戶(hu)(hu)不加裝無(wu)功(gong)補(bu)償裝置,則(ze)負載需要(yao)的無(wu)功(gong)功(gong)率(lv)(lv)(lv)就(jiu)需要(yao)由電(dian)(dian)(dian)網來提(ti)供,而電(dian)(dian)(dian)力公司(si)當然不會為用(yong)(yong)戶(hu)(hu)買(mai)單(dan),所(suo)以電(dian)(dian)(dian)力公司(si)從收電(dian)(dian)(dian)費的方(fang)(fang)式上進行(xing)管控(kong),電(dian)(dian)(dian)力公司(si)對(dui)工業用(yong)(yong)戶(hu)(hu)的電(dian)(dian)(dian)費計(ji)算(suan)方(fang)(fang)法總結如(ru)(ru)下(xia):
電力中無(wu)功補償柜的諧波放大問題解決辦(ban)法(fa)
與(yu)此同時,低(di)壓動力(li)客戶電量增(zeng)長(chang)迅速,近幾年已經(jing)占到了農村總用電量比重的(de)60%~70%,主要(yao)以紡織行(xing)業、機械加工(gong)為主,而且(qie)動力(li)客戶的(de)用電量明顯(xian)呈現出繼續(xu)增(zeng)長(chang)趨勢。這(zhe)些(xie)動力(li)客戶,其(qi)設備自然功率(lv)因數較低(di)(COSφ=0.6~0.7),且(qie)經(jing)常(chang)處于低(di)功率(lv)因數運行(xing)狀況。
可能(neng)產生的故障有,①漿(jiang)液(ye)噪聲(sheng),②電極表(biao)面(mian),③導電沉積層或絕緣(yuan)沉積層覆蓋(gai)電極或襯里(li),④襯里(li)被(bei)磨(mo)損或被(bei)沉積物(wu)覆蓋(gai),流通截面(mian)積縮小,電磁流量(liang)傳(chuan)感器測量(liang)管絕緣(yuan)襯里(li)若沉積導電物(wu)質(zhi),流量(liang)信將(jiang)被(bei)短路而(er)使儀表(biao)失(shi)效(xiao),由于導電物(wu)質(zhi)是逐漸沉積。