電(dian)(dian)機(ji)啟(qi)動(dong)(dong)(dong)變壓(ya)器(qi)用于(yu)限制電(dian)(dian)機(ji)啟(qi)動(dong)(dong)(dong)時(shi)(shi)的涌入電(dian)(dian)流。與標(biao)稱電(dian)(dian)壓(ya)相比(bi),主輸(shu)出電(dian)(dian)壓(ya)抽頭的額(e)定(ding)值為(wei)(wei)70%。因此,額(e)定(ding)扭矩的一(yi)半不能施(shi)加在電(dian)(dian)機(ji)軸(zhou)上(shang)。由于(yu)這(zhe)(zhe)些(xie)情(qing)況(kuang),電(dian)(dian)機(ji)啟(qi)動(dong)(dong)(dong)電(dian)(dian)流下(xia)(xia)降到(dao)額(e)定(ding)電(dian)(dian)流。電(dian)(dian)機(ji)啟(qi)動(dong)(dong)(dong)并達到(dao)額(e)定(ding)運(yun)行后,保護裝置不會觸發,輸(shu)出電(dian)(dian)壓(ya)點(dian)轉移(yi)到(dao)輸(shu)入電(dian)(dian)壓(ya)點(dian),電(dian)(dian)機(ji)切換到(dao)額(e)定(ding)運(yun)行模(mo)式。因此,變壓(ya)器(qi)為(wei)(wei)了冷(leng)卻,直到(dao)下(xia)(xia)一(yi)個啟(qi)動(dong)(dong)(dong)時(shi)(shi)刻。由于(yu)這(zhe)(zhe)種(zhong)占空(kong)比(bi)運(yun)行模(mo)式的原(yuan)理,變壓(ya)器(qi)可以設計成(cheng)比(bi)正常(chang)情(qing)況(kuang)下(xia)(xia)更小(xiao)的尺(chi)寸。Elektra電(dian)(dian)機(ji)啟(qi)動(dong)(dong)(dong)變壓(ya)器(qi)設計為(wei)(wei)每小(xiao)時(shi)(shi)10次(ci)(ci)啟(qi)動(dong)(dong)(dong),連續啟(qi)動(dong)(dong)(dong)max.3次(ci)(ci)。
電機功率(kW):7,5
電機(ji)功率(Hp):10,1
Uk(%):5,96
空(kong)載電(dian)流(%):4,4
有載電流(A):15,5
空載損耗(hao)(W):11,8
負載損耗(hao)(W):227,1
重(zhong)量(kg):12,4
標(biao)稱工作電壓:高達6600V
輸出電壓(ya):0-%70%其(qi)他抽(chou)頭,可選不同額定電壓(ya)
啟動時間:6秒
熱(re)防護(hu):132ºC
工作原理:每小時10次(ci)啟動(dong),連續3次(ci)啟動(dong)
可根據不同的占空(kong)比(bi)進行特殊設計
標準:EN 61558-2-13、IEC 60076
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