@大俠風清揚:
一圖文秒懂 無稀土(tu)電(dian)(dian)機(ji)(ji)(ji)(ji) (小表哥) 什么是無稀土(tu)電(dian)(dian)機(ji)(ji)(ji)(ji)目(mu)前在電(dian)(dian)動車(che)上(shang)使(shi)用(yong)的(de)(de)電(dian)(dian)動機(ji)(ji)(ji)(ji)有(you)兩種——永磁同步(bu)電(dian)(dian)機(ji)(ji)(ji)(ji)和無磁感(gan)應交(jiao)(jiao)流異步(bu)電(dian)(dian)機(ji)(ji)(ji)(ji)。永磁同步(bu)電(dian)(dian)機(ji)(ji)(ji)(ji)技術成熟,而且效(xiao)率(lv)較高,所以被應用(yong)在大部分單電(dian)(dian)機(ji)(ji)(ji)(ji)設(she)計的(de)(de)電(dian)(dian)動車(che)上(shang)。但永磁電(dian)(dian)機(ji)(ji)(ji)(ji)有(you)一個大的(de)(de)缺點——它需(xu)(xu)要(yao)用(yong)到珍貴(gui)的(de)(de)稀土(tu)材料。而感(gan)應交(jiao)(jiao)流異步(bu)電(dian)(dian)機(ji)(ji)(ji)(ji)優點是無需(xu)(xu)稀土(tu),但
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