提出了我国空调列车采用电力机车供电的具体方案。
The specific scheme to apply electric locomotive power supply on airconditioned trains in our country is put forward.
电铁机车沿铁路移动用电，其产生的谐波对电网的危害比其它谐波源更为广泛、严重，因此对电铁牵引供电系统谐波的正确检测具有重要的实际意义。
The harm of harmonic generated by locomotive of electrified railway, which uses electricity along the railway, is more widely and seriously than other harmonic souse to the power system.
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.
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