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保護視(shi)力色: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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簡介:H3MOKW82XBPP3 1)龍華有大量一級或二級負荷時,宜裝設二臺及以上變壓器,當其中任一臺變壓器斷開時,其余變壓器的容量能滿足一級及二級負荷的用電。一、二級負荷盡可能集中,不宜太分散。 2)龍華季節性負荷容量較大時,宜裝設專用變壓器。如大型民用S4270D27-29龍華27龍華2005.7.29,3:24龍華AM建筑中的空調冷凍機負荷、采暖用電熱負荷等。 3)龍華集中負荷較大時,宜裝設專用變壓器。如大型加熱設備、大型X龍華光機、電弧煉爐等。 4)龍華當照明負荷較大或動力和照明采用 | |||||||
H3MOKW82XBPP3
1)龍華有大量一級或二級負荷時,宜裝設二臺及以上變壓器,當其中任一臺變壓器斷開時,其余變壓器的容量能滿足一級及二級負荷的用電。一、二級負荷盡可能集中,不宜太分散。 FMDZOGB85U1J2 電(dian)(dian)(dian)(dian)子變(bian)(bian)壓(ya)(ya)(ya)(ya)器除了(le)體積較(jiao)小外,在(zai)電(dian)(dian)(dian)(dian)力(li)(li)變(bian)(bian)壓(ya)(ya)(ya)(ya)器與電(dian)(dian)(dian)(dian)子變(bian)(bian)壓(ya)(ya)(ya)(ya)器二(er)者之(zhi)間,并沒有明確的(de)(de)分(fen)界線。一(yi)般提(ti)供(gong)(gong)50Hz電(dian)(dian)(dian)(dian)力(li)(li)網(wang)絡之(zhi)電(dian)(dian)(dian)(dian)源均非(fei)常龐大(da),它可能是(shi)涵蓋有半個洲地(di)區那般大(da)的(de)(de)容(rong)量。電(dian)(dian)(dian)(dian)子裝置(zhi)的(de)(de)電(dian)(dian)(dian)(dian)力(li)(li)限制,通常受(shou)限于整流(liu)、放大(da),與系(xi)統(tong)(tong)其它組件(jian)的(de)(de)能力(li)(li),其中有些部(bu)分(fen)屬放大(da)電(dian)(dian)(dian)(dian)力(li)(li)者,但如與電(dian)(dian)(dian)(dian)力(li)(li)系(xi)統(tong)(tong)發(fa)電(dian)(dian)(dian)(dian)能力(li)(li)相比(bi)較(jiao),它仍然(ran)歸屬于小電(dian)(dian)(dian)(dian)力(li)(li)之(zhi)范圍。各(ge)種(zhong)電(dian)(dian)(dian)(dian)子裝備(bei)(bei)常用到(dao)變(bian)(bian)壓(ya)(ya)(ya)(ya)器,理由是(shi):提(ti)供(gong)(gong)各(ge)種(zhong)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)階層確保系(xi)統(tong)(tong)正常操(cao)作;提(ti)供(gong)(gong)系(xi)統(tong)(tong)中以不同(tong)電(dian)(dian)(dian)(dian)位操(cao)作部(bu)分(fen)得(de)以電(dian)(dian)(dian)(dian)氣隔離;對(dui)交流(liu)電(dian)(dian)(dian)(dian)流(liu)提(ti)供(gong)(gong)高阻(zu)抗(kang),但對(dui)直(zhi)流(liu)則(ze)提(ti)供(gong)(gong)低的(de)(de)阻(zu)抗(kang);在(zai)不同(tong)的(de)(de)電(dian)(dian)(dian)(dian)位下(xia),維持或修(xiu)飾波形與頻率響應。「阻(zu)抗(kang)」其中之(zhi)一(yi)項重要概念(nian),亦(yi)即(ji)(ji)電(dian)(dian)(dian)(dian)子學特性之(zhi)一(yi),其乃預設(she)一(yi)種(zhong)設(she)備(bei)(bei),即(ji)(ji)當電(dian)(dian)(dian)(dian)路組件(jian)阻(zu)抗(kang)系(xi)從一(yi)階層改變(bian)(bian)到(dao)另外的(de)(de)一(yi)個階層時,其間即(ji)(ji)使(shi)用到(dao)一(yi)種(zhong)設(she)備(bei)(bei)-變(bian)(bian)壓(ya)(ya)(ya)(ya)器。 公司以優質的龍華S11變壓器29K4FB66X7PDD
a、油浸式變壓器低壓繞組除小容量采用銅導線以外,一般都采用銅箔繞抽的圓筒式結構;高壓繞組采用多層圓筒式結構,使之繞組的安匝分布平衡,漏磁小,機械強度高,抗短路能力強。
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