In this paper, we introduced the control theory of brushless DC motor, and proposed the design scheme, software method and hardware electric circuit for whole system.
介绍了无刷直流电动机的控制原理，给出了系统设计的整体方案，并详述了硬件电路和软件程序设计。
This paper introduces a microprocessor controlled PWM real time controller used in AC-DC-AC electric locomotive. A real-time forming method of multi-mode PWM waveform is described.
介绍了一种用十六位单片机实现的用于控制交-直-交电力机车道变器的PWM实时控制器，论述了PWM波形的实时生成方法。
DC high voltage (or DC leakage current) test is an effective method of technical diagnosis of electric machine.
直流高电压(或称直流泄漏电流)试验，是一种行之有效的电机技术诊断方法。
The analytical expressions of the electromagnetic field generated by the DC electric dipole in the upper space for the two-layer mode were obtained by using the method of mirror image.
将任意分布的电流源产生的电磁场看作是电偶极子产生的电磁场的叠加，利用镜像法推导了上半空间中的垂直直流电偶极子在两层媒质中产生电磁场的解析解。
The method of testing insulation resistance based on asymmetric electric resistance bridge for direct current (DC) distribution system is proposed.
提出了利用不对称电桥的直流系统在线绝缘电阻检测方法。
Control method and working characteristics of DC drive system for BJD6100 EV electric bus are studied.
中文摘要研究BJD6 100 - ev型电动公交车的大功率直流驱动系统的控制方法和工作特性。
Control method and working characteristics of DC drive system for BJD6100 EV electric bus are studied.
中文摘要研究BJD6 100 - ev型电动公交车的大功率直流驱动系统的控制方法和工作特性。
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