TMdrive-MVG2 – 3 to 11 kV, up to 19,500 kVA


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TMdrive-MVG2 – 3 to 11 kV, up to 19,500 kVA

The TMdrive-MVG2 is a medium voltage, ac fed drive designed for high-efficiency and power-friendly operation in a broad range of industrial applications.

High reliability, low harmonic distortion, and high power factor operation are designed into the drive.

The TMdrive-MVG2 is available with four voltage classes:

  • 3.3 kV Voltage Class: 3,000 - 3,300 V ac
  • 6.6 kV Voltage Class: 6,000 - 6,600 V ac
  • 10 kV Voltage Class: 10,000 V ac
  • 11 kV Voltage Class: 11,000 V ac

The TMdrive-MVG2 is designed for a wide range of industrial applications, including: Centrifugal pumps, fans, and compressors, screw compressors, blowers, refiners, mixers, extruders, conveyors, press machines, slurry pipelines, and mills.



TMdrive-MVG2 Features and Benefits
Design Feature Customer Benefit
  • Conservative design using 1700 V IGBTs
  • Highly reliable operation, expected 12-year drive MTBF
  • High energy efficiency approximately 97%
  • Considerable energy savings
  • Diode rectifier ensures power factor greater than 95% in the speed control range
  • Capacitors not required for power factor correction
  • Multi-pulse converter rectifier and phase shifted transformer:
  • 3.3 kV Class: 18 pulse 
    6.6 kV Class: 36 pulse 
    10 kV Class: 48 pulse 
    11 kV Class: 54 pulse
  • No harmonic filter required to provide lower harmonic distortion levels than IEEE-519-1992 guidelines
  • Multiple level drive output waveform to the motor (seven levels for the 6.6 kV inverter)
  • No derating of motor for voltage insulation or heating is required due to motor friendly waveform
  • Synchronous transfer to line option with no interruption to motor current
  • Allows control of multiple motors with one drive
  • No motor current or torque transients when the motor transitions to the AC line
  • Input isolation transformer included in drive package
  • Better motor protection
  • Less total space required
  • Simplifies design and installation
  • Direct drive voltage output level
  • No output transformer required, saving cost, mounting space, and energy