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Huang, Rui, Wang, Panbao, Zaery, Mohamed, Wei, Wang, Xu, Dianguo.  2019.  A Distributed Fixed-Time Secondary Controller for DC Microgrids. 2019 22nd International Conference on Electrical Machines and Systems (ICEMS). :1–6.

This paper proposes a distributed fixed-time based secondary controller for the DC microgrids (MGs) to overcome the drawbacks of conventional droop control. The controller, based on a distributed fixed-time control approach, can remove the DC voltage deviation and provide proportional current sharing simultaneously within a fixed-time. Comparing with the conventional centralized secondary controller, the controller, using the dynamic consensus, on each converter communicates only with its neighbors on a communication graph which increases the convergence speed and gets an improved performance. The proposed control strategy is simulated in PLECS to test the controller performance, link-failure resiliency, plug and play capability and the feasibility under different time delays.