高壓無功自動補償裝置，是提高電網功率因數而設計的節能產品，適用于負荷波動較大，功率因數需經常調節的變電站配電系統。

安徽得潤電氣生產MSCHA型高壓無功自動補償裝置，是(shi)根據配電(dian)(dian)(dian)變(bian)壓(ya)器(qi)無(wu)功(gong)(gong)負荷狀(zhuang)(zhuang)況，通過(guo)對(dui)系統電(dian)(dian)(dian)壓(ya)，無(wu)功(gong)(gong)缺(que)乏等(deng)參數(shu)(shu)(shu)的(de)(de)綜合(he)測算，采用(yong)具有人(ren)性(xing)化的(de)(de)控(kong)制技(ji)術，自動進行分(fen)(fen)析，自動分(fen)(fen)步(bu)投切并聯(lian)在(zai)配電(dian)(dian)(dian)變(bian)壓(ya)器(qi)3~20kV母(mu)線的(de)(de)電(dian)(dian)(dian)容器(qi)組，提供(gong)相應的(de)(de)容性(xing)無(wu)功(gong)(gong)功(gong)(gong)率(lv)(lv)。該(gai)裝(zhuang)置突破了(le)原(yuan)電(dian)(dian)(dian)力系統中(zhong)電(dian)(dian)(dian)容器(qi)組使(shi)(shi)用(yong)整組進行固(gu)定補(bu)(bu)償(chang)投入時造成過(guo)補(bu)(bu)而(er)切除后母(mu)線無(wu)功(gong)(gong)功(gong)(gong)率(lv)(lv)又(you)補(bu)(bu)償(chang)不足(zu)的(de)(de)缺(que)點，使(shi)(shi)母(mu)線功(gong)(gong)率(lv)(lv)因(yin)(yin)數(shu)(shu)(shu)大幅度(du)提高(gao)并能穩(wen)定在(zai)一(yi)定的(de)(de)水平，從而(er)穩(wen)定了(le)系統電(dian)(dian)(dian)壓(ya)、提高(gao)了(le)變(bian)壓(ya)器(qi)的(de)(de)利用(yong)率(lv)(lv)。實現(xian)對(dui)供(gong)電(dian)(dian)(dian)系統的(de)(de)功(gong)(gong)率(lv)(lv)因(yin)(yin)數(shu)(shu)(shu)自動跟蹤補(bu)(bu)償(chang)，使(shi)(shi)功(gong)(gong)率(lv)(lv)因(yin)(yin)數(shu)(shu)(shu)始終處于(yu)穩(wen)定狀(zhuang)(zhuang)態，達到(dao)降低網絡(luo)損耗，改(gai)善電(dian)(dian)(dian)網供(gong)電(dian)(dian)(dian)質量的(de)(de)目的(de)(de)。裝(zhuang)置由并聯(lian)電(dian)(dian)(dian)容器(qi)、串聯(lian)電(dian)(dian)(dian)抗器(qi)、電(dian)(dian)(dian)壓(ya)互感(gan)器(qi)、避(bi)雷器(qi)、投切設(she)備、控(kong)制和(he)保護裝(zhuang)置等(deng)組成。

得(de)潤電氣MSCHA高壓無功(gong)自動補償裝置特點明顯，具有(you)：

1、單元積木式設計。柜(ju)(ju)(ju)與柜(ju)(ju)(ju)之(zhi)間用(yong)硬母(mu)排聯接(jie)，運行(xing)可(ke)靠，并且可(ke)擴展柜(ju)(ju)(ju)體數(shu)增加容量。

2、諧(xie)振校驗(yan)。毎套裝置(zhi)在(zai)各(ge)種工況都要進(jin)行諧(xie)振校驗(yan)，選(xuan)擇(ze)單(dan)組(zu)容量時盡量避開諧(xie)振放大區，或選(xuan)擇(ze)適當的電抗率，以避開諧(xie)振條件，確(que)保裝置(zhi)在(zai)各(ge)種工況下(xia)都能(neng)安全運行。

3、電(dian)(dian)(dian)(dian)壓(ya)(ya)優先原(yuan)則。當(dang)(dang)電(dian)(dian)(dian)(dian)網電(dian)(dian)(dian)(dian)壓(ya)(ya)高出一定(ding)設定(ding)值時，逐步切除(chu)電(dian)(dian)(dian)(dian)容器組(zu)，直至(zhi)電(dian)(dian)(dian)(dian)壓(ya)(ya)合格(ge)；當(dang)(dang)電(dian)(dian)(dian)(dian)網電(dian)(dian)(dian)(dian)壓(ya)(ya)低于(yu)相對設定(ding)值時，逐步投(tou)入(ru)電(dian)(dian)(dian)(dian)容器組(zu)，使母線電(dian)(dian)(dian)(dian)壓(ya)(ya)始終處于(yu)合格(ge)狀態。

4、智能控(kong)制功(gong)(gong)能。以相對應小的(de)動(dong)作次數(shu)，獲(huo)得大的(de)合格率。裝置(zhi)采用(yong)先進的(de)無功(gong)(gong)功(gong)(gong)率控(kong)制器(qi)，能實時在(zai)線監(jian)測系統的(de)無功(gong)(gong)功(gong)(gong)率因數(shu)，控(kong)制器(qi)通過計算尋找最恰當的(de)組合方式，一次性投切(qie)電容器(qi)組，避免“投切(qie)震蕩”，還可(ke)根據用(yong)戶(hu)要求(qiu)配備RS232/485 通訊接(jie)口(kou)，將整個裝置(zhi)的(de)運行數(shu)據上傳(chuan)至(zhi)監(jian)控(kong)系統。

5、完善的(de)故障(zhang)(zhang)報(bao)警(jing)功(gong)能(neng)和綜合保護(hu)功(gong)能(neng)。當系統發生故障(zhang)(zhang)時，控制器(qi)報(bao)警(jing)，并(bing)顯示故障(zhang)(zhang)部位。除(chu)采用噴逐式(shi)熔斷(duan)器(qi)或(huo)內熔絲作為單臺電(dian)(dian)容(rong)器(qi)的(de)過(guo)流保護(hu)外，還設有零序(xu)電(dian)(dian)壓保護(hu)等。

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