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- Title
A series‐parallel PV‐storage independent microgrid and its decentralized control.
- Authors
Li, Lang; Sun, Yao; Liu, Zhangjie; Yuan, Xufeng; Su, Mei; Hou, Xiaochao; Zheng, Minghui
- Abstract
Summary: This paper presents a series‐parallel photovoltaic (PV)‐storage independent microgrid (MG), where low‐voltage distributed generation units could be connected to power grid conveniently. Moreover, it provides a promising way to form medium voltage MG. For this proposed structure, a decentralized control is proposed. The PV units are controlled by a maximum power point tracking (MPPT)‐based droop control, where MPPT of the PV units is achieved. Storage units are regulated via a "droop" controller dependent its reactive power polarity and take the responsibility of keeping the power supply‐demand balance of the MG. Since all these controllers make decisions only based on their local information, the proposed control is reliable and cost‐effective. Moreover, the small‐signal stability of the system is proved. And simulation results are presented to verify the effectiveness.
- Subjects
MICROGRIDS; GRID energy storage; PHOTOVOLTAIC power generation; PHOTOVOLTAIC power systems; DISTRIBUTED power generation; REACTIVE power control; MAXIMUM power point trackers
- Publication
International Transactions on Electrical Energy Systems, 2019, Vol 29, Issue 2, pN.PAG
- ISSN
2050-7038
- Publication type
Article
- DOI
10.1002/etep.2715