Smooth transition is one of the most important issues of micro-grids. The resulting transition is much impacted by the state step of the regulator. To suppress this mutation, this paper proposes a smooth transition control based on an islanding signal, which updates the state of the regulators by detecting the change of islanding signal. Pre-synchronization control is applied during the transition from islanding mode to grid-connected mode. In comparison, the proposed approach is superior over direct transition control and state follower-based transition control, with both easier regulator parameter configuration and better performance during transition time.
CITATION STYLE
Chen, Z., Zheng, T., & Liu, C. (2019). An islanding signal-based smooth transition control in AC/DC hybrid micro-grids. Applied Sciences (Switzerland), 9(14). https://doi.org/10.3390/app9142804
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