系统采用拉式负荷传感器检测牵引力度，用电容运转式异步电机及其配套装置来控制牵引力度。
This system employs the pulling force sensors to detect traction force and USES capacitance running asynchronism motor with other parts to control traction force.
电气化铁道牵引负荷是大宗的工业用电部门，因此它是电力系统重要的电能污染源。
Electrified railway's traction load is usually the big consumer for the electric power system, so electrified railway's traction load is the main power quality pollution source.
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