Virginia Tech FEEC
Home Faculty and Staff Students Alumni Projects Affiliates & Sponsors Facilities Publications News & Events Photos

5kW DC/AC Inverter with Split AC Outputs

Research funded in part by Department of Energy / Tatung Co.

Specifications

Input Voltage160-210V Single
380-420V Combined
Output VoltageDual 120VAC at 2.5kW
Single 240VAC at 5kW
Goal97% efficiency

Key Features

  • Passively cooled
  • Reduced LC filter size
  • Dual half bridge inverter control
  • Robust in unbalanced load condition
  • Wide DC bus range
  • Hard switching technology

Future Inverter Design Goals

  • Determination of best control method to reduce transient response and output filter component size.
  • Soft switching technology will be adopted for 99% efficiency.
  • For the next step, Utility Grid Inverter will be realized with active and reactive power control function.
  • Not only inverter controller will be implemented, but also system controller will be designed.