Developed for metros and LRV's, Traction Motor Control/Driver Unit is a new generation traction inverter for high efficiency traction motor control.

As the heart of traction system, TMCDU, is designed with new generation IGBT Technologies and advanced control algorithms. As a result of these efforts, safety, robustness and efficiency are increased to upmost levels.

TMCDU can,

  • Control/drive a single traction motor or parallel connected two traction motors,
  • Make sensitive current control with vector based control algorithms ,
  • Enables running different control algorithms for different vehicles with its configurable DSB platform,
  • Even at low speeds, perform regenerative braking and recover energy with its sensitive control capability.


  • Modular configurable infrastructure for Metros nd LRV's
  • 400kW output power
  • Single or multiple parallel, traction motor control capability
  • Asynchronous or synchronous traction motor control
  • Sensitive torque control with dynamic current variation
  • Regenerative braking
  • Dynamic braking
  • Redundant operation in case of malfunction
  • High efficiency switching techniques
  • Flexible design with its DSB technology
  • Conforms to railway standards
  • Built In Test function
  • High  temperature protection
  • High current protection
Important Features
  • Technology                                       : IGBT 1700V
  • Input Voltage                                  : 750 VDC
  • Output Voltage                                 : 400 kW
  • Isolation Voltage                             : 4 kV
  • Electrical Braking                             : Regenerative/Dynamic
  • Communication                               : CanOpen ,MVB
  • IGBT Switching Frequency          : 2.5kHz
  • Bandwidth                                        : 200hZ
  • Dimensions                                      : 1500x1250x540mm
  • Weight                                                : 600 kg
  • Cooling                                                : Forced air cooling
  • Protection class                               : IP65