分析表明，南极极隙区与中低纬区磁暴形态差异很大。
This magnetic storm has different physical processes at the middle low latitudes and the southern polar cusp region.
由于变极同步电机气隙磁场中将存在较大的谐波，这些磁场谐波对电机运行性能将产生一些影响。
In the gap magnetic field of pole changing synchronous machine, there would be large harmonics, which have some effects on the operating performance of the machine.
极靴是电机上的关键零件，其作用是使气隙磁阻减小，改善磁场分布，并使励磁绕组容易固定。
Pole pieces, key parts on electrical motor, reduce the reluctance of the air-gap; improve the static magnetic field distributions and fix the excitation windings.
这个磁通值可以容易地从图5中永磁极的磁密和铁极磁密之间的差值和气隙面积求出。
The value of this flux can easily be deduced from the difference between flux densities at magnet poles and core poles shown in Fig. 5, and the gap area.
同时，利用额定负载时换向极身中的磁通与穿过气隙的总磁通，对换向极漏磁系数进行了计算与分析。
At the same time, leakage magnetic coefficient of commutating pole is calculated and analyzed by magnetic flux in itself and gap at rated load.
永磁无刷电机中，平行充磁的2极磁环产生的气隙磁场是正弦分布的。
In a permanent magnet brushless motor, airgap field excited by a 2-pole magnet ring with parallel magnetisation is sinusoidal.
探讨了电机的气隙长度，定子极弧角度、定子轭厚等结构参数对电机转矩特性的影响。
The influences of gap length, polar arc and thick of stator yoke on electromagnetic torque are discussed.
在无补偿直流牵引电动机中，通常采用主极极弧为圆弧的扩张气隙来改善换向器电位特性。
The opening air-gaps with circular main pole arc are usually used to improve the potential curve of commutator on non-compensable d. c. traction motors.
在无补偿直流牵引电动机中，通常采用主极极弧为圆弧的扩张气隙来改善换向器电位特性。
The opening air-gaps with circular main pole arc are usually used to improve the potential curve of commutator on non-compensable d. c. traction motors.
应用推荐