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保護(hu)視(shi)力色: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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簡介:貴池區BEWYC20Q3PGE 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.貴池區 ⒉封閉式.器身處在封閉的外殼內,與大氣不直接接觸.(由于密封.散熱條件差.主要用于礦用它屬于是防爆型的) ⒊澆注式.用環氧樹脂或其它樹脂澆注作為主絕緣,它結構簡單.體積小.適用于較小容量的變壓器. 相對于油式變壓器,干式變壓器因沒有油,也就沒有火災、爆炸、污染等問題,故電氣規范、規程等均不要 | |||||||
貴池區BEWYC20Q3PGE
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.貴池區 WN3貴池區SJXS5O09Y
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。貴池區 5HDDTR03PZP4O 電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)變(bian)(bian)壓(ya)(ya)器(qi)除了體積較小(xiao)外,在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)變(bian)(bian)壓(ya)(ya)器(qi)與電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)變(bian)(bian)壓(ya)(ya)器(qi)二者之(zhi)(zhi)間,并沒有(you)明確的分(fen)界線。一般(ban)提(ti)供(gong)50Hz電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)網絡之(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源均非常(chang)龐大(da)(da),它可能(neng)(neng)是(shi)涵(han)蓋有(you)半個(ge)洲地區(qu)那般(ban)大(da)(da)的容(rong)量。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)裝(zhuang)置的電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)限(xian)(xian)制(zhi),通常(chang)受限(xian)(xian)于(yu)整流(liu)(liu)(liu)、放大(da)(da),與系統其(qi)(qi)它組(zu)件的能(neng)(neng)力(li),其(qi)(qi)中(zhong)(zhong)有(you)些部分(fen)屬放大(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)者,但如與電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)系統發電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)(neng)力(li)相比(bi)較,它仍然歸屬于(yu)小(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)之(zhi)(zhi)范圍(wei)。各種電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)裝(zhuang)備常(chang)用到變(bian)(bian)壓(ya)(ya)器(qi),理由(you)是(shi):提(ti)供(gong)各種電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)階(jie)層(ceng)確保系統正常(chang)操(cao)作;提(ti)供(gong)系統中(zhong)(zhong)以不(bu)同電(dian)(dian)(dian)(dian)(dian)(dian)(dian)位(wei)操(cao)作部分(fen)得(de)以電(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣隔離;對交流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)提(ti)供(gong)高阻(zu)抗(kang),但對直(zhi)流(liu)(liu)(liu)則(ze)提(ti)供(gong)低的阻(zu)抗(kang);在不(bu)同的電(dian)(dian)(dian)(dian)(dian)(dian)(dian)位(wei)下,維持(chi)或修飾波形與頻率(lv)響(xiang)應。「阻(zu)抗(kang)」其(qi)(qi)中(zhong)(zhong)之(zhi)(zhi)一項重(zhong)要概念,亦即(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)學(xue)特性之(zhi)(zhi)一,其(qi)(qi)乃預設一種設備,即(ji)(ji)當電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路組(zu)件阻(zu)抗(kang)系從一階(jie)層(ceng)改變(bian)(bian)到另外的一個(ge)階(jie)層(ceng)時,其(qi)(qi)間即(ji)(ji)使用到一種設備-變(bian)(bian)壓(ya)(ya)器(qi)。 現主營貴池區S11變壓器
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