The article describes the close relation between electric traction drive and power electronic devices that improve and rely on one another.

阐述电力牵引传动与电力电子器件相互促进和相互依存的密切关系。

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Electric drive, consists of traction motor, traction converter and control system, is one of the key technologies of electric vehicle.

电传动是电动汽车的关键技术之一，它由牵引电机、牵引变流器、控制系统三部分组成。

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High power GTO inverter is used for railway electric traction. Its PWM control is significantly different from variable frequency drive system in conventional industrial area.

大功率GTO逆变器用于铁路电力牵引，其PW M控制与一般工业领域中的变频调速系统的PWM控制有很大不同。

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The gasoline engine only turns a generator, which charges the battery and sends electricity to two electric traction motors that drive the car.

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