根(gen)據(ju)(ju)電(dian)(dian)網需(xu)要(yao),對大用(yong)戶(hu)實行高(gao)峰(feng)功率因數考核(he),加裝記錄(lu)高(gao)峰(feng)時(shi)段內(nei)有(you)功、無功電(dian)(dian)量的電(dian)(dian)度表,據(ju)(ju)以計(ji)算月平均高(gao)峰(feng)功率因數;對部(bu)分用(yong)戶(hu)還可以試運行高(gao)峰(feng)、低(di)谷兩(liang)個時(shi)段分別計(ji)算功率因數。簡言(yan)之,如果(guo)用(yong)戶(hu)不加裝無功補償裝置(zhi),則負(fu)載需(xu)要(yao)的無功功率就需(xu)要(yao)由(you)電(dian)(dian)網來(lai)提(ti)供(gong),而電(dian)(dian)力公司(si)當然(ran)不會為用(yong)戶(hu)買單(dan),所以電(dian)(dian)力公司(si)從(cong)收電(dian)(dian)費的方(fang)式上進(jin)行管(guan)控,電(dian)(dian)力公司(si)對工業用(yong)戶(hu)的電(dian)(dian)費計(ji)算方(fang)法總結(jie)如下:
變(bian)壓器濾波補償(chang)模組的基本常(chang)識
數字型(xing)控制(zhi)與保(bao)護(hu)(hu)開關電(dian)(dian)器(qi)(qi):電(dian)(dian)流自0.16~125A,采用模(mo)塊化的(de)單一產品結構型(xing)式,集(ji)成了傳統(tong)的(de)斷路器(qi)(qi)(熔斷器(qi)(qi))、接觸器(qi)(qi)、過載繼電(dian)(dian)器(qi)(qi)、器(qi)(qi)、電(dian)(dian)器(qi)(qi)等的(de)主要(yao)功(gong)能(neng),具有(you)遠距離(li)自動(dong)控制(zhi)和就地直接人力控制(zhi)功(gong)能(neng),具有(you)面板指示及機電(dian)(dian)信號(hao)報警功(gong)能(neng),具有(you)協調配(pei)(pei)合的(de)時(shi)(shi)間-電(dian)(dian)流保(bao)護(hu)(hu)特性(反(fan)時(shi)(shi)限、定時(shi)(shi)限和瞬時(shi)(shi)三段保(bao)護(hu)(hu)特性)。根據需要(yao)選配(pei)(pei)功(gong)能(neng)模(mo)塊或附件,即(ji)可實現對一般(不頻繁(fan)起動(dong))的(de)電(dian)(dian)動(dong)機負(fu)載、頻繁(fan)起動(dong)的(de)電(dian)(dian)動(dong)機負(fu)載、配(pei)(pei)電(dian)(dian)電(dian)(dian)路負(fu)載的(de)控制(zhi)與保(bao)護(hu)(hu)。
補(bu)償方式(shi):國內的(de)(de)(de)無功(gong)(gong)補(bu)償裝置(zhi)基本上是采用(yong)電容器進行無功(gong)(gong)補(bu)償,補(bu)償后(hou)的(de)(de)(de)功(gong)(gong)率因 素(su)一般在 0.8-0.9 左右(you) S采用(yong)的(de)(de)(de)是電源(yuan)模(mo)塊進行無功(gong)(gong)補(bu)償 補(bu)償后(hou)的(de)(de)(de)功(gong)(gong)率因素(su)一般在 0.98 。 以上,這是目前(qian)國際上 先進的(de)(de)(de)電力(li)技術(shu)。