當(dang)電(dian)(dian)網的(de)負(fu)荷呈(cheng)感性時(shi)，如(ru)電(dian)(dian)動機、電(dian)(dian)焊機等負(fu)載，這時(shi)電(dian)(dian)網的(de)電(dian)(dian)流滯帶后電(dian)(dian)壓一個(ge)角度(du)，當(dang)負(fu)荷呈(cheng)容性時(shi)，如(ru)過(guo)量的(de)補(bu)償裝置(zhi)(zhi)的(de)控(kong)制器，這是時(shi)電(dian)(dian)網的(de)電(dian)(dian)流超(chao)前于電(dian)(dian)壓的(de)一個(ge)角度(du)，即功(gong)率因數超(chao)前或滯后是指電(dian)(dian)流與電(dian)(dian)壓的(de)相位關系。通過(guo)補(bu)償裝置(zhi)(zhi)的(de)控(kong)制器檢(jian)測供電(dian)(dian)系統的(de)物理(li)量，來(lai)決定電(dian)(dian)容器的(de)投切量，這個(ge)物理(li)量可以是功(gong)率因數或無功(gong)電(dian)(dian)流或無功(gong)功(gong)率。

電(dian)力中無功補償元器(qi)件的補償標準是什(shen)么

變(bian)壓器諧(xie)波電(dian)流是(shi)由其勵磁(ci)(ci)回路的(de)(de)非線性引起的(de)(de)，產生諧(xie)波電(dian)流的(de)(de)大(da)小與變(bian)壓器的(de)(de)鐵心(xin)結構、鐵心(xin)飽和程度以及(ji)變(bian)壓器的(de)(de)連(lian)接力式都(dou)有關系。電(dian)力系統(tong)運行的(de)(de)內(nei)、外故(gu)(gu)障(zhang)也會造成電(dian)能質量問(wen)(wen)題，如短路故(gu)(gu)障(zhang)、雷擊、誤操作、電(dian)網故(gu)(gu)障(zhang)時發電(dian)機及(ji)勵磁(ci)(ci)系統(tong)的(de)(de)工作狀態的(de)(de)改變(bian)、故(gu)(gu)障(zhang)保護(hu)裝置(zhi)中的(de)(de)電(dian)力電(dian)子設(she)備的(de)(de)啟(qi)動等都(dou)將造成各(ge)種電(dian)能質量問(wen)(wen)題。

串聯(lian)電(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)用(yong)于賠(pei)(pei)(pei)償輸(shu)(shu)配電(dian)(dian)線路(lu)(lu)的(de)(de)感抗(kang)，具(ju)有減少電(dian)(dian)氣設備間距提升(sheng)可(ke)靠性(xing)水準和線路(lu)(lu)的(de)(de)輸(shu)(shu)配電(dian)(dian)容(rong)(rong)(rong)積(ji)的(de)(de)功效(xiao)。串聯(lian)電(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)組多見串、串聯(lian)組成(cheng)，串聯(lian)紗(sha)支(zhi)由線路(lu)(lu)運輸(shu)(shu)容(rong)(rong)(rong)積(ji)而定(ding)，串聯(lian)數量則(ze)由需要的(de)(de)串聯(lian)電(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)賠(pei)(pei)(pei)償度（串聯(lian)電(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)的(de)(de)容(rong)(rong)(rong)抗(kang)與所賠(pei)(pei)(pei)償的(de)(de)線路(lu)(lu)感抗(kang)之比）而定(ding)。小(xiao)試(shi)控投串聯(lian)電(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)賠(pei)(pei)(pei)償一般在50下列，不(bu)適合過高(gao)，以(yi)防造成(cheng)系統(tong)軟(ruan)件的(de)(de)次同步(bu)諧(xie)振。輸(shu)(shu)電(dian)(dian)網因其特性(xing)阻(zu)抗(kang)不(bu)勻而導致電(dian)(dian)場(chang)時(shi)，也能用(yong)串聯(lian)電(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)來賠(pei)(pei)(pei)償。日(ri)本(ben)國在110kV雙回路(lu)(lu)中(zhong)應用(yong)了(le)串聯(lian)電(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)賠(pei)(pei)(pei)償。