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» Home » Products & Services » Drives » Variable Speed Drives » Medium Voltage Variable Speed Drive MVW-01

Medium Voltage Variable Speed Drive MVW-01
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Medium Voltage Variable Speed Drive MVW-01

Designed to drive and vary speed of medium voltage motors, the MVW-01 consists of a multi-level structure of medium voltage IGBT (6.5 kV) reducing the harmonic content of motor current to extremely low values.


WEG is the only Brazilian supplier of medium voltage, speed variation systems that produces all the components: input cubicle, oil or dry transformer, variable frequency drive and medium voltage motor.

The MVW-01 variable frequency drive includes state-of-the-art technology through a multi-level structure with high voltage IGBTs (6.5 kV), reducing the harmonic currents in the motor to extremely low levels. The configuration of the input rectifier in 12 or 18 pulses allows high power factor in the supply network, fully compliance with IEEE 519 Standard.

In terms of control, the MVW-01 operates with micro-processing, using 32 bit processors (64 bit busbar) with high speed and pointing float mathematics, assuring great motor control performance.


Pumps, Fans / Exhausters, Compressors, Mixers, Agitators, Conveyors, Cement Kills, Steel Mill, Winders / Unwinders, Suggar Mill, Refiners, Banburys, Extruders.

  • Motor voltage: 2.3 kV, 3.3 kV or 4.16 kV
  • Power up to 8000 HP (6000 kW)
  • Totally digital with a 32 bit, high performance processor (64 bit busbar)
  • Removable Man-Machine Interface (LCD / LED) with easy operation double display
  • Mounted on an IP 41 / NEMA 1 panel
  • Air cooled
  • 12 Pulse input rectifier (18 or 24 pulse optional), high power factor (>0.96) and high displacement power factor (>0.97)
  • Multi-level power topology (NPC 3/5 levels)
  • Optical fibers between power and control
  • Imposed voltage
  • High power voltage (6.5 kV) semiconductors reducing the number of components without requiring series connection, resulting in high efficiency and reliability
  • Dry plastic film Power Capacitors with high reliability and long life
  • Withdrawable power arms (quick and easy replacement)
  • Low losses material and high heat dissipation



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