例句與用法

1. Because very similar to chi shu rotors very few , the teeth harmonics moment for the second harmonics moment , and two stator mistaken 90e of mutual perspective , the two stator teeth resolved moment worth equal to 13 , 800 conversely , synthetic zero
   3 .由于爪極數(shù)等于轉(zhuǎn)子極數(shù)，故諧波力矩為2次諧波力矩，而2個定子相互錯位90電角度，所以2個定子的諧波力矩幅值相等，相位相反，合成為零。
2. Considering the relations between idle load characteristics and armature winding parameters of the salient pole propulsive synchronous motor ( spsm ) with its structure , stator tooth and magnetic saturation , the analysis of numerical method for the back electromotive force calculation of spsm is given under various exciting current values
   摘要針對凸極式同步推進電機的空載特性及其繞組參數(shù)與電機結(jié)構(gòu)、定轉(zhuǎn)子齒槽、磁場飽和等緊密相關(guān)的問題，分析了在不同勵磁電流下同步推進電機相反電勢的數(shù)值計算方法，提出了采用電機磁場能量微動法計算相繞組的參數(shù)，并對一臺十二相同步推進電機的繞組參數(shù)及其空載特性進行了計算和測量。