换向极（commutating pole）又称附加极，用于直流电机。以产生换向磁场，以改善直流电机的换向。一般电机容量超过1KW时均应安装换向极。
换向极、 换向极的组成 换向极（commutating pole）又称附加极，用于直流电机。以产生换向磁场，以改善直流电机的换向。
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换向极 commutating pole; compole; consequent poles; consequent-pole; intermediate pol ..
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换向极绕组 [电] interpole winding ; commutating pole winding ; compole winding ; commutating-field winding
换向极电动机 commutating pole motor
换向极发电机 commutating pole generator
换向极铁心 [电] interpole core
换向极线圈 [电] interpole coil ; interpole spool
换向极限 commutation limit
叠片式换向极 laminated commutating pole
有换向极电机 interpole machine
高磁阻换向极 high-reluctance commutating pole
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.
通过对大功率集成门极换向晶闸管(IGCT)高压变流器的结构、控制系统、保护系统的研究，设计出一套7。
Through analyzing the topology, control system and protection system of large power high voltage converter equipped with integrated gate commutated thyristor (IGCT), a set of 7.
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.
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