通常情况下，永磁电机各磁极的极弧系数相等。
In PM motors, all the PM poles usually have the same pole arc coefficients.
它与一般永磁直流电机的计算方法的差别仅在于计算极弧系数的确定。
The difference between it and ordinary PM motor is that their effective polearc coefficients are not the same.
它与一般永磁直流电机的计算方法的差别仅在于计算极弧系数的确定。
There is no perfect method to calculate this kind of machine. The difference between it and ordinary PM motor is that their effective pole arc coefficients are not the same.
采用电磁场有限元法，考虑上述因素的影响，得到了各种情况下的计算极弧系数曲线。
Taking the effects of above factors into account, 2D FEM is adopted and a series of curves to determine the coefficient are achieved.
采用电磁场有限元法，考虑上述因素的影响，得到了各种情况下的计算极弧系数曲线。
Taking the effects of above factors into account, 2D FEM is adopted and a series of curves to determine the coefficient are achieved.
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