范文编号:ZD549 范文字数:35692,页数:53,有CAD图
Abstract:Brush less DC motor is a new-model electric machine emerging rapidly in recent years. It is to widely used in industry 、agriculture military affair and so on . Apart from good speed regulation characteristics which DC Motor has, brush less DC drive system not only has some merits Such as long life (longevity), high reliability, no commutation Spark, low to noise and soon but eliminates the mechanical Contact of brush with commutation.
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