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保護(hu)視力(li)色: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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簡介:0JN0NUDZ清河門區QRXR 干式變壓器微機保護裝置是用于測量、控制、保護、通訊一體化的一種經濟型保護;針對配網終端高壓配電室量身定做,以三段式無方向電流保護為核心,配備電網參數的監視及采集功能,可省掉傳統的電流表、電壓表、功率表、頻率表、電度表等,并可通過通訊口將測量數據及保護信息遠傳上位機,方便實現配網自動化;裝置根據配網供電的特性在裝置內集成了備用電源自投功能,可靈活實現進線備投及母分備投功能。清河門區 干式變壓器微機保護裝置[4]采用了國際先進的DSP和表面貼裝技術及靈活的現場 | |||||||
0JN0NUDZ清河門區QRXR
干式變壓器微機保護裝置是用于測量、控制、保護、通訊一體化的一種經濟型保護;針對配網終端高壓配電室量身定做,以三段式無方向電流保護為核心,配備電網參數的監視及采集功能,可省掉傳統的電流表、電壓表、功率表、頻率表、電度表等,并可通過通訊口將測量數據及保護信息遠傳上位機,方便實現配網自動化;裝置根據配網供電的特性在裝置內集成了備用電源自投功能,可靈活實現進線備投及母分備投功能。清河門區 1清河門區H4清河門區C7B0CR68 電(dian)(dian)(dian)(dian)子(zi)(zi)變(bian)壓(ya)器(qi)除(chu)了體積較小外,在電(dian)(dian)(dian)(dian)力(li)變(bian)壓(ya)器(qi)與電(dian)(dian)(dian)(dian)子(zi)(zi)變(bian)壓(ya)器(qi)二者(zhe)之(zhi)(zhi)間,并沒有(you)明確(que)的(de)分界(jie)線。一(yi)般(ban)提(ti)(ti)供(gong)(gong)(gong)50Hz電(dian)(dian)(dian)(dian)力(li)網(wang)絡之(zhi)(zhi)電(dian)(dian)(dian)(dian)源(yuan)均非常(chang)龐大(da),它可能是涵蓋有(you)半個(ge)洲地區那般(ban)大(da)的(de)容(rong)量。電(dian)(dian)(dian)(dian)子(zi)(zi)裝(zhuang)置的(de)電(dian)(dian)(dian)(dian)力(li)限制,通常(chang)受限于整流、放(fang)大(da),與系統(tong)(tong)其(qi)(qi)它組(zu)件(jian)的(de)能力(li),其(qi)(qi)中有(you)些部(bu)分屬放(fang)大(da)電(dian)(dian)(dian)(dian)力(li)者(zhe),但如與電(dian)(dian)(dian)(dian)力(li)系統(tong)(tong)發電(dian)(dian)(dian)(dian)能力(li)相比較,它仍然歸(gui)屬于小電(dian)(dian)(dian)(dian)力(li)之(zhi)(zhi)范圍。各(ge)種電(dian)(dian)(dian)(dian)子(zi)(zi)裝(zhuang)備(bei)常(chang)用到(dao)變(bian)壓(ya)器(qi),理由是:提(ti)(ti)供(gong)(gong)(gong)各(ge)種電(dian)(dian)(dian)(dian)壓(ya)階層(ceng)(ceng)確(que)保系統(tong)(tong)正常(chang)操(cao)作(zuo);提(ti)(ti)供(gong)(gong)(gong)系統(tong)(tong)中以不同電(dian)(dian)(dian)(dian)位操(cao)作(zuo)部(bu)分得以電(dian)(dian)(dian)(dian)氣隔(ge)離;對交流電(dian)(dian)(dian)(dian)流提(ti)(ti)供(gong)(gong)(gong)高阻(zu)抗,但對直流則提(ti)(ti)供(gong)(gong)(gong)低的(de)阻(zu)抗;在不同的(de)電(dian)(dian)(dian)(dian)位下,維持或(huo)修飾波形與頻率響應(ying)。「阻(zu)抗」其(qi)(qi)中之(zhi)(zhi)一(yi)項(xiang)重要概念,亦即電(dian)(dian)(dian)(dian)子(zi)(zi)學特性(xing)之(zhi)(zhi)一(yi),其(qi)(qi)乃預設一(yi)種設備(bei),即當電(dian)(dian)(dian)(dian)路組(zu)件(jian)阻(zu)抗系從一(yi)階層(ceng)(ceng)改變(bian)到(dao)另外的(de)一(yi)個(ge)階層(ceng)(ceng)時,其(qi)(qi)間即使用到(dao)一(yi)種設備(bei)-變(bian)壓(ya)器(qi)。 生產制造銷售清河門區S11變壓器XS5AMYY9YMAK9
⒈開啟式.是一種常用的形式,其器身與大氣直接接觸,適應于比較干燥而潔凈的室內,(環境溫度20度時,相對濕度不應超過85%),一般有空氣自冷和風冷兩種冷卻方式.清河門區
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