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A Novel Frequency Tracker for Islanded-Mode Operation in Microgrid

마이크로그리드 독립운전모드를 위한 주파수 추종에 관한 연구

  • Received : 2011.04.06
  • Accepted : 2011.06.14
  • Published : 2011.07.01

Abstract

This paper proposes a method for frequency control of islanded microgrid with battery energy storage system. For frequency control of islanded microgrid, battery energy storage system uses a phase locked loop algorithm with positive sequence components for a fast frequency estimation. Microgrid is a power system with small inertia because it has small capacity generators and inverter systems for renewable energy. So, Islanded microgrid's frequency varies fast and large as small generation and load changes. To reduce frequency variation of islanded microgrid, it needs a device with fast frequency response. For fast frequency response, a fast frequency tracking is important. To show the validation of proposed fast frequency tracking algorithm, battery energy storage system with proposed algorithm is tested in microgrid pilot plant.

Keywords

References

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