... 直流发电机，直流电机 continuous current dynamo 直流发电机 continuous current generator 直流电机车 continuous current locomotive ...
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提出了一种以恒定电流驱动白光led的矿用直流开关电源，给矿井下的直流电机车和矿灯供电。
Presents a constant current white LED driver for mining DC switching power supply to the mine under the DC power supply locomotives and miner's lamp.
结合TAO649D机车牵引电机的结构参数，首先建立了该直流电机的数学模型，设计了该电机的转速，电流双闭环系统。
Combined with the structural parameters of TAO649D traction motor, the mathematic model of the DC motor is built and its speed and current dual-closed-loop system is designed.
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