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保護(hu)視力(li)色(se): ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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簡介:JCN9T3VBR8OE2 配電變壓器為變電所的重要組件,油浸式變壓器一般安裝在單獨的變壓器室內。 依靠油作冷卻介質,如油浸自冷,油浸風冷,油浸水冷及強迫油循環等。一般升壓站的主變都是油浸式的,變比20KV/500KV,或20KV/220KV,一般發電廠用于帶動帶自身負載(比如磨煤機,引風機,送風機、循環水泵等)的廠用變壓器也是油浸式變壓器,它的變比是20KV/6KV。 油浸式變壓器采用全充油的密封型。波紋油箱殼體以自身彈性適應油的膨脹是永久性密封的油箱,油浸式變壓器已被廣泛地應用在各配 | |||||||
JCN9T3VBR8OE2
配電變壓器為變電所的重要組件,油浸式變壓器一般安裝在單獨的變壓器室內。 HVE古藺XNYGZS171
1)古藺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。 4I古藺QNJTEQ4O1C 電(dian)(dian)(dian)子(zi)變壓器(qi)除了體積(ji)較小外,在電(dian)(dian)(dian)力(li)(li)變壓器(qi)與(yu)電(dian)(dian)(dian)子(zi)變壓器(qi)二(er)者(zhe)(zhe)之(zhi)間(jian),并沒(mei)有(you)明確的(de)分(fen)(fen)(fen)界線。一(yi)(yi)般提(ti)供50Hz電(dian)(dian)(dian)力(li)(li)網絡之(zhi)電(dian)(dian)(dian)源均非(fei)常(chang)龐大(da),它可(ke)能(neng)是涵(han)蓋有(you)半個洲地區那(nei)般大(da)的(de)容量(liang)。電(dian)(dian)(dian)子(zi)裝(zhuang)置的(de)電(dian)(dian)(dian)力(li)(li)限(xian)制,通常(chang)受限(xian)于整流(liu)、放(fang)大(da),與(yu)系統(tong)(tong)其(qi)它組件(jian)的(de)能(neng)力(li)(li),其(qi)中(zhong)(zhong)有(you)些部(bu)分(fen)(fen)(fen)屬(shu)放(fang)大(da)電(dian)(dian)(dian)力(li)(li)者(zhe)(zhe),但如與(yu)電(dian)(dian)(dian)力(li)(li)系統(tong)(tong)發電(dian)(dian)(dian)能(neng)力(li)(li)相比較,它仍然歸屬(shu)于小電(dian)(dian)(dian)力(li)(li)之(zhi)范(fan)圍。各(ge)種(zhong)(zhong)電(dian)(dian)(dian)子(zi)裝(zhuang)備(bei)(bei)常(chang)用(yong)(yong)到(dao)(dao)變壓器(qi),理由是:提(ti)供各(ge)種(zhong)(zhong)電(dian)(dian)(dian)壓階層(ceng)(ceng)確保系統(tong)(tong)正常(chang)操(cao)作;提(ti)供系統(tong)(tong)中(zhong)(zhong)以不同(tong)電(dian)(dian)(dian)位操(cao)作部(bu)分(fen)(fen)(fen)得以電(dian)(dian)(dian)氣隔離(li);對(dui)交流(liu)電(dian)(dian)(dian)流(liu)提(ti)供高阻抗(kang)(kang),但對(dui)直流(liu)則提(ti)供低的(de)阻抗(kang)(kang);在不同(tong)的(de)電(dian)(dian)(dian)位下,維持或(huo)修飾波形與(yu)頻率(lv)響(xiang)應。「阻抗(kang)(kang)」其(qi)中(zhong)(zhong)之(zhi)一(yi)(yi)項重要概念,亦(yi)即(ji)電(dian)(dian)(dian)子(zi)學特(te)性之(zhi)一(yi)(yi),其(qi)乃預設一(yi)(yi)種(zhong)(zhong)設備(bei)(bei),即(ji)當電(dian)(dian)(dian)路組件(jian)阻抗(kang)(kang)系從一(yi)(yi)階層(ceng)(ceng)改(gai)變到(dao)(dao)另(ling)外的(de)一(yi)(yi)個階層(ceng)(ceng)時,其(qi)間(jian)即(ji)使(shi)用(yong)(yong)到(dao)(dao)一(yi)(yi)種(zhong)(zhong)設備(bei)(bei)-變壓器(qi)。 最優最全的古藺S11變壓器
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