另外，用两极之间的电流表示励磁绕组磁动势，对应于各极之间磁场的大小和方向。
Also, MMF of the field winding is represented as electric currents in the gap between poles, with regard to magnitude and direction of magnetic field at respective poles.
永磁体产生的磁场是气隙磁场的主要部分，另一部分是由辅助励磁绕组的电流来激励产生，起调节磁场的作用。
The flux due to permanent magnet is the main part of gap flux, the rest flux is produced by the winding coil, which play a part of regulation.
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.
直流电机的突出优点是通过选择磁场绕组不同的励磁方法，可以获得变化范围很大的运行特性。
The outstanding advantages of DC machines arise from the wide variety of operating characteristics which can be obtained by selection of the method of excitation of the field windings.
在得到电励磁爪极发电机三维磁场的基础上，用能量摄动法计算绕组电感参数。
In addition, the inductances of the windings of the conventional claw-pole alternator are achieved.
其传感器是利用对磁场具有高灵敏度的钴基非晶态合金丝作为敏感材料，并采用单磁芯双绕组结构、多谐振荡桥励磁，它是一种体积小、性能高的新型磁场传感器。
Using single amorphous-core and double-winding as the sensitive element excited by multivibrator bridge, a kind of weak magnetic sensor with small size and high performance is developed.
其传感器是利用对磁场具有高灵敏度的钴基非晶态合金丝作为敏感材料，并采用单磁芯双绕组结构、多谐振荡桥励磁，它是一种体积小、性能高的新型磁场传感器。
Using single amorphous-core and double-winding as the sensitive element excited by multivibrator bridge, a kind of weak magnetic sensor with small size and high performance is developed.
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