two-axle motor unit

The propulsion frequency converter, propulsion motor and control unit make up a propulsion subsystem, which is applied to simulate the characteristics of propulsion motor. There are two typical controlling principles, pull system and push system.

推进变频器、推进电机和推进控制单元组成推进子系统，用于仿真推进电机的特性；有两种典型的控制原理：物流推进控制原理和物流拉引控制原理。

The two parties agree that parameters of motor train unit are subject to further modification as required by Ministry of road& transportation whenever necessary.

双方同意，如果有必要则可根据伊朗交通部的要求对动车组参数进行进一步的修改。

To use two horizontal loopers among three rolling mills in small section continuous finishing mill unit and to adjust the rotation rate of electric motor through adjusting signal using PLC realize tension free rolling.

在小型精连轧机组三架轧机之间采用两架平活套器，通过PLC进行信号处理来调节电机转速，实现无张力轧制。