Black Start Strategy for PV-ESS Multi-Microgrids with Three-Phase/Single-Phase Architecture
AbstractWith the rapid development of microgrids (MGs) in recent years, it is anticipated that combinations of multiple microgrids—multi-microgrids (MMGs)—will gradually become a new form of power grid. A safe and efficient black start strategy for MMGs is in urgent demand because of their complicated structure and control systems. In this paper, first, we analyze the topology and control system of residential-type MMGs with three-phase/single-phase (TP/SP) architecture. Second, a black start strategy based on a hierarchical control scheme is presented, including the selection strategy for the main power supply and master microgrid, the stand-alone operation strategy, and the grid-connected operation strategy. After the selection of the main power supplies, the master MG is determined. Hereby, all sub-microgrids (SMGs) execute the stand-alone algorithm. When the synchronous connection condition is satisfied, the slave SMGs connect to the master MG who provides the voltage and frequency support. Meanwhile, the control algorithm transfers to the grid-connected algorithm, with the grid dispatching value set to zero. Finally, experimental results from the MMG experimental setup in the Clean Energy Technology Laboratory (CETLAB) are presented to verify the effectiveness and feasibility of the proposed black start strategy. View Full-Text
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Xu, Z.; Yang, P.; Zeng, Z.; Peng, J.; Zhao, Z. Black Start Strategy for PV-ESS Multi-Microgrids with Three-Phase/Single-Phase Architecture. Energies 2016, 9, 372.
Xu Z, Yang P, Zeng Z, Peng J, Zhao Z. Black Start Strategy for PV-ESS Multi-Microgrids with Three-Phase/Single-Phase Architecture. Energies. 2016; 9(5):372.Chicago/Turabian Style
Xu, Zhirong; Yang, Ping; Zeng, Zhiji; Peng, Jiajun; Zhao, Zhuoli. 2016. "Black Start Strategy for PV-ESS Multi-Microgrids with Three-Phase/Single-Phase Architecture." Energies 9, no. 5: 372.
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