The main converter commutation process due to regenerative braking is also analyzed, and reasons of regenerative overturn caused by pantograph ju…
文章还分析了再生制动时主变流器的换相过程，并对跳弓拉弧时引起再生颠覆的原因也作了说明。
The cause of producing the commutation torque ripple was mainly found by means of analyzing the commutation process of permanent magnet brushless DC motor in theory.
主要对永磁无刷直流电动机换相过程进行理论分析，得到引起换相转矩脉动的原因。
The brushless DC motor has excellent characteristics of good start and timing performance, but it is a nonlinear system owing to commutation process and armature reaction.
虽然无刷直流电机具有良好的启动和调速性能，但是由于换相以及电枢反应等因素，它属于非线性系统。
This paper introduces Commutation torque ripple process of the axial blood pump of an artificial heart brushless DC motor.
介绍了人工心脏轴流式血泵永磁无刷直流电机换相转矩脉动变化过程。
Relationship between the main parameters and commutation time is analyzed, based on which, switch-off process after the commutation is described and IGCT commutation mechanism is illustrated.
分析了主要参量与换流时间的关系，在此基础上，描述换流后的关断过程，阐明IGCT的换流机理。
Relationship between the main parameters and commutation time is analyzed, based on which, switch-off process after the commutation is described and IGCT commutation mechanism is illustrated.
分析了主要参量与换流时间的关系，在此基础上，描述换流后的关断过程，阐明IGCT的换流机理。
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