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根據的說法,將有用于大型電源系統的1級,2級和3級設備。通常,級主要是用于功率控制的配電中心,該配電中心通常安裝在變電站中,負責將電能分配到第二級。配電柜。第(di)二級配(pei)電(dian)柜必(bi)須懲罰級配(pei)電(dian)柜分配(pei)的電(dian)能。第(di)三(san)級配(pei)電(dian)柜是光(guang)通量(liang)配(pei)電(dian)柜。由(you)于我(wo)們(men)分散了其布局,因此容(rong)量(liang)相(xiang)對較低。配(pei)電(dian)柜可以為我(wo)們(men)的生活提供(gong)安全保障(zhang),因此必(bi)須安裝(zhuang)配(pei)電(dian)柜,并(bing)根據情況(kuang)將其隱藏在墻(qiang)壁或其他(ta)地方(fang)。
安裝手車式高壓開關柜。安裝方法與固定式高壓開關柜的安裝方法基本相同,但區別在于要確保手推車的互換性。每個手推車型動觸頭必須設置一致,動觸頭和靜觸頭的中心必須均勻且緊密接觸,以確保互換性。配電柜廠家需要不定時的檢查二次回路的插頭和輔助觸(chu)點是否可靠焊(han)接。電(dian)(dian)動或機械(xie)鎖定正確(que),因此(ci)手(shou)(shou)推車無法在關閉(bi)位置(zhi)拉出(chu)。安(an)全隔板易于打開(kai)和關閉(bi),并且可以通過手(shou)(shou)推車進行(xing)伸縮(suo)。手(shou)(shou)車的接地裝置(zhi)應與高(gao)壓配電(dian)(dian)柜的固(gu)定框架良好(hao)接觸(chu)。高(gao)低壓開(kai)關柜中的控制(zhi)電(dian)(dian)纜已牢固(gu)固(gu)定,不會(hui)影響手(shou)(shou)推車的移動。
高-低(di)-高頻轉(zhuan)換(huan)器(qi)(qi)(qi):應用(yong)上(shang)下方法在中高壓(ya)(ya)(ya)(ya)環(huan)境(jing)中應用(yong)低(di)壓(ya)(ya)(ya)(ya)或(huo)通(tong)用(yong)驅動(dong)(dong)器(qi)(qi)(qi)。原(yuan)理(li)是使用(yong)降壓(ya)(ya)(ya)(ya)變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)(qi)將電網(wang)電壓(ya)(ya)(ya)(ya)降低(di)到(dao)低(di)壓(ya)(ya)(ya)(ya)逆變(bian)(bian)器(qi)(qi)(qi)的標稱或(huo)允許電壓(ya)(ya)(ya)(ya)輸入范圍。通(tong)過對逆變(bian)(bian)器(qi)(qi)(qi)進(jin)行轉(zhuan)換(huan),然后將其(qi)從(cong)(cong)升(sheng)壓(ya)(ya)(ya)(ya)變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)(qi)轉(zhuan)換(huan)為(wei)所需的電動(dong)(dong)機,可以(yi)形成頻率和幅度可變(bian)(bian)的交流(liu)電源(yuan)。電壓(ya)(ya)(ya)(ya)等(deng)級。如果運行中的變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)(qi)有兩個(ge)或(huo)更多個(ge)接地故(gu)障,則在鐵芯的工作磁通(tong)周(zhou)圍會(hui)(hui)形成短路匝(za)。短路匝(za)會(hui)(hui)產(chan)生(sheng)大的渦(wo)流(liu)和循(xun)環(huan)電流(liu),以(yi)加熱鐵芯,升(sheng)高油(you)溫(wen),使邊(bian)緣碳化,并(bing)產(chan)生(sheng)可燃氣體,從(cong)(cong)而導致輕質氣體的連(lian)續運動(dong)(dong)。如果接地不好,則循(xun)環(huan)可能是暫時(shi)的,從(cong)(cong)而導致輪輞(wang)油(you)松動(dong)(dong)并(bing)碳化。此時(shi),應通(tong)過色(se)譜法對油(you)進(jin)行分析(xi),以(yi)確定故(gu)障的性質。