Journal of international Conference on Electrical Machines and Systems

Journal of International Conference on Electrical Machines and Systems (대한전기학회 분과)
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Power Flow Control of Modular Multilevel Converter based on Double-Star Bridge Cells Applying to Grid Connection

  • Hamasaki, Shin-Ichi (Division of Electrical Engineering and Computer Science, Graduate School of Engineering, Nagasaki University) ;
  • Okamura, Kazuki (Division of Electrical Engineering and Computer Science, Graduate School of Engineering, Nagasaki University) ;
  • Tsuji, Mineo (Division of Electrical Engineering and Computer Science, Graduate School of Engineering, Nagasaki University)
  • Received : 2013.04.05
  • Accepted : 2013.05.17
  • Published : 2013.06.01
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Abstract

The Modular Multilevel Converter (MMC) with full bridge cells is available for utility interactive inverter in high voltage line. When it is interconnected with power line, it is possible to control the active power flow in order to supply or charge the power in the line. This research applied the MMC to grid connection system of distributed generator and a power flow control for the MMC is investigated. Theory of power flow between the MMC and the power line is described and control method of power flow and capacitor voltages on arm cells for the MMC are proposed. And effectiveness of the proposed control method is presented by simulation.

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References

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