论文部分内容阅读
The first harmonic field can be induced by a variety of factors, including the carbon content difference of the sector poles, the inherent defect in the top/bottom yoke and return yoke caused by the casting techniques (equivalent to the interference magnetic permeability) and the machining tolerance
The first harmonic field can be induced by a variety of factors, including the carbon content difference of the sector poles, the inherent defect in the top / bottom yoke and return yoke caused by the casting techniques (equivalent to the interference magnetic permeability) and the machining tolerance