無功(gong)功(gong)率補償(chang)控制(zhi)器(qi)有三種(zhong)采樣(yang)方式,功(gong)率因數型、無功(gong)功(gong)率型、無功(gong)電流型。選擇那(nei)一種(zhong)物理(li)控制(zhi)方式實際(ji)上(shang)就是(shi)對無功(gong)功(gong)率補償(chang)控制(zhi)器(qi)的選擇。控制(zhi)器(qi)是(shi)無功(gong)補償(chang)裝置(zhi)的指(zhi)揮系統(tong),采樣(yang)、運算(suan)、發出投切信號,參數設定、測量(liang)、元(yuan)件保護等功(gong)能均(jun)由補償(chang)控制(zhi)器(qi)完成。
純電容濾波補償模組的補償標準是什(shen)么(me)
在諧波電(dian)(dian)壓(ya)作用(yong)下,電(dian)(dian)容(rong)(rong)器(qi)會產生額外(wai)(wai)的(de)功率損(sun)耗,加快絕緣介質的(de)老化。更為嚴重的(de)是(shi),大量諧波電(dian)(dian)流很可(ke)能引發電(dian)(dian)容(rong)(rong)器(qi)和系統其(qi)他元件之間(jian)的(de)并聯諧振或串聯諧振,造成電(dian)(dian)容(rong)(rong)器(qi)超載而(er)損(sun)壞(huai)。如果對智能建筑配(pei)電(dian)(dian)回路(lu)的(de)諧波進行治理的(de)話,稍有不當就會使斷(duan)路(lu)器(qi)遮斷(duan)能力降低,而(er)且還會導(dao)致斷(duan)路(lu)器(qi)損(sun)壞(huai)。除此之外(wai)(wai),感應(ying)電(dian)(dian)動機的(de)額外(wai)(wai)損(sun)耗、電(dian)(dian)力電(dian)(dian)纜和配(pei)電(dian)(dian)線(xian)路(lu)集膚效應(ying)的(de)出(chu)現(xian)也都是(shi)諧波惹的(de)禍。
一旦出(chu)(chu)現以上(shang)幾(ji)種出(chu)(chu)現放(fang)電(dian)(dian)聲(sheng)狀(zhuang)況,應針(zhen)對每種情況做出(chu)(chu)處(chu)(chu)理,即其(qi)處(chu)(chu)理方法依次為:將電(dian)(dian)容器停(ting)運(yun)并放(fang)電(dian)(dian)后把外套管卸出(chu)(chu),擦干重新裝(zhuang)好(hao);添加同(tong)種規格的(de)電(dian)(dian)容器油;如放(fang)電(dian)(dian)聲(sheng)不止,應拆開修理;將電(dian)(dian)容器停(ting)運(yun)并放(fang)電(dian)(dian)后進行處(chu)(chu)理,使其(qi)芯子和(he)外殼接觸好(hao)。