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Three-phase Power Equalizing System with UPS Function based on Battery Storage

UPS 기능을 가지는 배터리 기반의 삼상 전력 평준화 시스템

  • Kwon, Jung-Min (Dept. of Electrical Engineering, Hanbat National University)
  • Received : 2012.01.19
  • Accepted : 2012.06.11
  • Published : 2012.08.20

Abstract

In this paper, three-phase power equalizing system (PES) with UPS function is proposed. This system is based on NiMH battery with battery management system. The power conversion circuit is composed with the three-phase converter/inverter, the bi-directional converter, and the thyristor switches. The three-phase converter/inverter provides the power to the grid or get the power from the grid. Also, it operates as a UPS. The bi-directional converter charges or discharges the battery. The thyristor switches are used for connecting/disconnecting with the grid and the load. A 15 kW prototype is implemented for the verifying the performance of the proposed system.

Keywords

References

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