電(dian)機(ji)(ji)啟(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)變(bian)壓(ya)(ya)器用于限(xian)制電(dian)機(ji)(ji)啟(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)時的(de)涌入電(dian)流。與標(biao)稱電(dian)壓(ya)(ya)相比(bi)(bi),主(zhu)輸(shu)(shu)出電(dian)壓(ya)(ya)抽(chou)頭的(de)額(e)(e)定(ding)值(zhi)為(wei)(wei)70%。因此,額(e)(e)定(ding)扭矩的(de)一(yi)半不能施加(jia)在電(dian)機(ji)(ji)軸上。由于這些情況(kuang)(kuang),電(dian)機(ji)(ji)啟(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)電(dian)流下(xia)(xia)降到額(e)(e)定(ding)電(dian)流。電(dian)機(ji)(ji)啟(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)并達(da)到額(e)(e)定(ding)運行后(hou),保護(hu)裝置不會(hui)觸發,輸(shu)(shu)出電(dian)壓(ya)(ya)點轉移到輸(shu)(shu)入電(dian)壓(ya)(ya)點,電(dian)機(ji)(ji)切換到額(e)(e)定(ding)運行模(mo)式。因此,變(bian)壓(ya)(ya)器為(wei)(wei)了冷(leng)卻,直(zhi)到下(xia)(xia)一(yi)個啟(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)時刻。由于這種(zhong)占空比(bi)(bi)運行模(mo)式的(de)原(yuan)理,變(bian)壓(ya)(ya)器可以設計(ji)成(cheng)比(bi)(bi)正常情況(kuang)(kuang)下(xia)(xia)更(geng)小的(de)尺寸。Elektra電(dian)機(ji)(ji)啟(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)變(bian)壓(ya)(ya)器設計(ji)為(wei)(wei)每(mei)小時10次(ci)(ci)啟(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong),連(lian)續啟(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)max.3次(ci)(ci)。
電機功率(kW):7,5
電機功率(Hp):10,1
Uk(%):5,96
空載(zai)電(dian)流(%):4,4
有(you)載電流(A):15,5
空載損耗(hao)(W):11,8
負載(zai)損耗(W):227,1
重量(kg):12,4
標稱(cheng)工作電壓:高達6600V
輸出電壓(ya):0-%70%其他抽(chou)頭,可(ke)選不同(tong)額(e)定電壓(ya)
啟動時間:6秒
熱防護:132ºC
工作原理:每小時10次(ci)(ci)啟動,連(lian)續3次(ci)(ci)啟動
可根據不同的占(zhan)空比進(jin)行特殊設計
標準(zhun):EN 61558-2-13、IEC 60076