電動機保護(hu)器的工作原理

電(dian)(dian)(dian)(dian)動(dong)機保護器(qi)(qi)(qi)(qi)(qi)由三相電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互感(gan)器(qi)(qi)(qi)(qi)(qi)、檢(jian)(jian)(jian)測、放(fang)大、、調整電(dian)(dian)(dian)(dian)路和執行(xing)繼電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)組(zu)成(cheng)。檢(jian)(jian)(jian)測電(dian)(dian)(dian)(dian)路檢(jian)(jian)(jian)測到電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互感(gan)器(qi)(qi)(qi)(qi)(qi)感(gan)應的電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)缺相或大于設(she)定值時(shi)，經放(fang)大器(qi)(qi)(qi)(qi)(qi)放(fang)大，使(shi)繼電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)動(dong)作(zuo)。繼電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)觸頭(tou)串接(jie)于接(jie)觸器(qi)(qi)(qi)(qi)(qi)線(xian)圈供電(dian)(dian)(dian)(dian)回路中，繼電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)動(dong)作(zuo)后使(shi)接(jie)觸器(qi)(qi)(qi)(qi)(qi)斷電(dian)(dian)(dian)(dian)，起到保護電(dian)(dian)(dian)(dian)機作(zuo)用(yong)。電(dian)(dian)(dian)(dian)路用(yong)于避(bi)開(kai)電(dian)(dian)(dian)(dian)機起動(dong)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)，其時(shi)長(chang)可調。調整電(dian)(dian)(dian)(dian)路用(yong)于根據被保護電(dian)(dian)(dian)(dian)機工作(zuo)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)設(she)置動(dong)作(zuo)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)。

馬達保護(hu)(hu)器（又名(ming)電(dian)動(dong)(dong)機保護(hu)(hu)器）的(de)作用(yong)是給(gei)電(dian)動(dong)(dong)機的(de)保護(hu)(hu)，在電(dian)動(dong)(dong)機出現超時(shi)啟動(dong)(dong)、過(guo)(guo)流、欠流、斷相、堵轉(zhuan)、短路(lu)、過(guo)(guo)壓、欠壓、漏電(dian)（接地(di)）、三相不平衡、過(guo)(guo)熱、軸承磨損、定轉(zhuan)子偏心、外(wai)部故障、來電(dian)自啟動(dong)(dong)、反(fan)時(shi)，予以(yi)報警或保護(hu)(hu)的(de)裝置。

注意事項1.電機比過去更容易燒毀繞組，是由于絕緣技術的不斷發展，在電機的設計上既要求增加出力，又要求減小體積，使新型電動機的熱容量越來越小，過負荷能力越來越弱;再由于生產自動化程度的提高，要求電動機經常運行在頻繁的起動、制動、正反轉以及變負荷等多種方式，對電動機保護裝置提出了更高的要求。另外，軟啟動器FT-ZR-500KW配置參數，電動機的應用面更廣。常工作于環境極為惡劣的場合，如潮濕、高溫、多塵、腐蝕等場合。再加上電動機制造上的不規范，設備管理上的疏漏。所有這些，造成了如今的電動機比過去更容易損壞，尤其是過載、短路、缺相、掃膛等故障出現頻率

保護器給予(yu)現金的(de)(de)集成電(dian)(dian)(dian)(dian)路(lu)及微機技術，采用(yong)微處理(li)芯片(pian)作為運算單元，運作速度快。可靠性(xing)高，并具有完善的(de)(de)通訊功能(neng)和(he)模擬變送輸出能(neng)力。對電(dian)(dian)(dian)(dian)機提供(gong)多方(fang)面完善的(de)(de)綜(zong)合保護，，操作方(fang)便(bian)，卻便(bian)于安裝維(wei)護等優點(dian)。保護范圍和(he)靈敏度都比熱(re)繼電(dian)(dian)(dian)(dian)器高，可以有效避免以往常常是電(dian)(dian)(dian)(dian)機燒壞，熱(re)繼電(dian)(dian)(dian)(dian)器卻不(bu)動作的(de)(de)情況，是熱(re)繼電(dian)(dian)(dian)(dian)器的(de)(de)理(li)想(xiang)升級產品(pin)。

使(shi)用環(huan)境溫度：-20°~55°C，相對濕度：《90%，無(wu)腐(fu)蝕(shi)氣體、無(wu)劇烈震動，沖擊的(de)場所(suo)。

智能(neng)電機(ji)保(bao)護器(qi)的分為常(chang)規型和純保(bao)護型，常(chang)規繼電器(qi)裝置K1出口(kou)機(ji)電為常(chang)閉點(dian)(dian)，保(bao)護動(dong)作打(da)開(kai)，節(jie)點(dian)(dian)可(ke)手動(dong)自(zi)動(dong)復歸莫(mo)邪可(ke)以做自(zi)動(dong)復歸，直接替(ti)代熱繼電器(qi)使用。純保(bao)護型K1出口(kou)為常(chang)開(kai)點(dian)(dian)。

軟啟動器FT-ZR-500KW配置參數-富田電氣(推薦商家)由秦皇島富田電氣設備有限公司提供。秦皇島富田電氣設備有限公司在儀器儀表這一領域傾注了諸多的熱忱和熱情，富田電氣一直以客戶為中心、為客戶創造價值的理念、以品質、服務來贏得市場，衷心希望能與社會各界合作，共創成功，共創輝煌。相關業務歡迎垂詢，聯系人：付先生。