MW Inverter

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					              1.5 MVA Universal Medium Voltage
                       Inverter Module

Objectives:
To develop a generalized 1.5 MVA/1650 Vdc universal medium voltage inverter module for large
vehicle traction drives, FACTS devices, renewable energy, and industrial uninterruptible power
supply (UPS) applications.

Specifications:
                                                                          DC bus
•




                                                                                                             Gate drive
          Input voltage:   1500 ~ 1800 V DC




                                                                                                               board
                                                                                                                                            U

•
                                                                                                                                            V
          Output voltage: Three phase AC 0~1400 V                                                                                           W
                                                                         DC voltage       Dynamic
•                                                                                                                                           O




                                                                                                             Gate drive
          Rated output current: 660 A RMS                                 sensor          braking




                                                                                                               board
•         Max output current: 800 A RMS                                                                                           Current
                                                                                                                               Current
                                                                                                                                  sensor
                                                                                                                               sensor

•         Output frequency:    0 ~ 180 Hz
                                                                         Auxiliary
•
                                                                                                 DSP Control Board
          Dimensions: 350 x 830 x 520mm (H x L x W)                      Powersuppy
                                                                         Unit
                                                                                                 (Drive Control Unit)


•         Weight:       125 kg
                                                                              Inverter system block diagram
Typical application examples:
                                                                                      U      V           W
               AC
              Supply
                                             Inverter
    Line Circuit
      Breaker
                                                           Traction
                                                            Motor
       Isolation          Rectifier   DC
     Transformer                      Link                   M




                       Locomotive Traction Drive                              Cascaded Multilevel Module

Features:
• Modular, flexible, reconfigurable, and
  expandable PEBB design
• Over voltage, over current, over temp,
  protections
• Self fault diagnosis and plug&play
• Compact and light weight                                       3D Design                                                1.5 MVA Prototype

                                                                  Power Electronics and Motor Drives Laboratory
                                                        Contact Info: Fang Z. Peng, fzpeng@egr.msu.edu, 517-432-3331

				
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posted:7/27/2012
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