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保護視力(li)色: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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簡介:KQYYW93OID4K5 變壓器的絕緣等級,并不是絕緣強度的概念,而是允許的溫升的標準,即絕緣等級是指其所用絕緣材料的耐熱等級,分A、E、B、F、H級。絕緣的溫度等級分為A級 E級B級 F級H級。各絕緣等級具體允許溫升標準如下:最高允許溫度(℃)105 120 130 155 180 上海英施丹-變壓器 繞組溫升限值(K)60 75 80 100 125性能參考溫度(℃)80 95 100 120 145變壓器的容量等級:30、50、63、80、100、125、160、200 | |||||||
KQYYW93OID4K5
變壓器的絕緣等級,并不是絕緣強度的概念,而是允許的溫升的標準,即絕緣等級是指其所用絕緣材料的耐熱等級,分A、E、B、F、H級。絕緣的溫度等級分為A級 E級B級 F級H級。各絕緣等級具體允許溫升標準如下:最高允許溫度(℃)105 120 130 155 180 上海英施丹-變壓器 I9PA0T6UQWGD4 電(dian)(dian)(dian)(dian)(dian)(dian)子變壓(ya)器(qi)除了體積較小外(wai)(wai),在電(dian)(dian)(dian)(dian)(dian)(dian)力變壓(ya)器(qi)與(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)子變壓(ya)器(qi)二者之間(jian),并沒有明確(que)的(de)(de)分界(jie)線。一(yi)般(ban)提(ti)(ti)供(gong)50Hz電(dian)(dian)(dian)(dian)(dian)(dian)力網(wang)絡之電(dian)(dian)(dian)(dian)(dian)(dian)源均非常(chang)龐大(da),它(ta)可能是(shi)(shi)涵蓋有半個洲地區那般(ban)大(da)的(de)(de)容量。電(dian)(dian)(dian)(dian)(dian)(dian)子裝置(zhi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)力限(xian)制,通常(chang)受(shou)限(xian)于(yu)整流(liu)、放大(da),與(yu)(yu)系(xi)統(tong)其它(ta)組(zu)件的(de)(de)能力,其中有些部(bu)分屬(shu)放大(da)電(dian)(dian)(dian)(dian)(dian)(dian)力者,但如與(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)力系(xi)統(tong)發電(dian)(dian)(dian)(dian)(dian)(dian)能力相比較,它(ta)仍然歸屬(shu)于(yu)小電(dian)(dian)(dian)(dian)(dian)(dian)力之范圍(wei)。各種(zhong)電(dian)(dian)(dian)(dian)(dian)(dian)子裝備常(chang)用到(dao)變壓(ya)器(qi),理由是(shi)(shi):提(ti)(ti)供(gong)各種(zhong)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)階層(ceng)確(que)保系(xi)統(tong)正常(chang)操(cao)作;提(ti)(ti)供(gong)系(xi)統(tong)中以(yi)不(bu)同電(dian)(dian)(dian)(dian)(dian)(dian)位操(cao)作部(bu)分得(de)以(yi)電(dian)(dian)(dian)(dian)(dian)(dian)氣隔(ge)離;對交流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)提(ti)(ti)供(gong)高阻(zu)(zu)抗(kang),但對直流(liu)則(ze)提(ti)(ti)供(gong)低的(de)(de)阻(zu)(zu)抗(kang);在不(bu)同的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)位下,維持或修飾波形與(yu)(yu)頻率響應(ying)。「阻(zu)(zu)抗(kang)」其中之一(yi)項重要概念,亦即電(dian)(dian)(dian)(dian)(dian)(dian)子學特性(xing)之一(yi),其乃預設(she)一(yi)種(zhong)設(she)備,即當(dang)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)組(zu)件阻(zu)(zu)抗(kang)系(xi)從(cong)一(yi)階層(ceng)改變到(dao)另外(wai)(wai)的(de)(de)一(yi)個階層(ceng)時,其間(jian)即使用到(dao)一(yi)種(zhong)設(she)備-變壓(ya)器(qi)。 專業從事燈塔S11變壓器FB2QCEHI3779B變壓器又有其做試驗而用的,稱之為試驗變壓器,分別可以分為充氣式,油浸式,干式等試驗變壓器,是發電廠、供電局及科研單位等廣大用戶的用來做交流耐壓試驗的基本試驗設備,通過了國家質量監督局的標準,用于對各種電氣產品、電器元件、絕緣材料等進行規定電壓下的絕緣強度試驗。1.防止變壓器過載運行。如果長期過載運行,會引起線圈發熱,使絕緣逐漸老化,造成匣間短路、相間短路或對地短路及油的分解。2.防止變壓器鐵芯絕緣老化損壞。鐵芯絕緣老化或夾緊螺栓套管損壞,會使鐵芯產生很大的渦流,引起鐵芯長期發熱造成絕緣老化。3.防止檢修不慎破壞絕緣。變壓器檢修吊芯時,應注意保護線圈或絕緣套管,如果發現有擦破損傷,應及時處理。現向國內銷售燈塔S11變壓器
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