The radial magnetic force is the primary source of vibration and noise in doubly-salient motor.
双凸极电机的径向磁吸力是电机产生振动与噪声的主要来源。
The effects of swirl number of primary swirler and radial swirler, area ratio and sleeve divergence angle on the cold flow field of double swirl air intake were investigated.
试验研究了主、径向涡流器旋流数、面积比、套筒扩张角等参数对双旋流进气装置冷态流场的影响。
This method can detect not only faults in primary substation, but also fault area in radial line between the primary substation and the secondary one (or switching station).
该方法不仅能够确定一级变电站的故障线路，而且能够在一级变电站与二级变电站(或开闭站)之间的辐射状线路上确定故障区域。
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