Topologies and control strategies of multi-functional grid-connected inverters for power quality enhancement: A comprehensive review

Zheng Zeng, Huan Yang, Rongxiang Zhao and Chong Cheng

Renewable and Sustainable Energy Reviews, 2013, vol. 24, issue C, 223-270

Abstract: Grid-connected inverters are key components of distributed generation systems (DGSs) and micro-grids (MGs), because they are effective interfaces for renewable and sustainable distributed energy resources (DERs). Recently, multi-functional grid-connected inverters (MFGCIs) have attracted more and more attention for their benefits on auxiliary services on power quality enhancement in DGSs and MGs. These kinds of converters can not only achieve the power generation of DERs, but also can perform as power quality conditioners at their grid-connected points. It should be noted that these functionalities are optimally organized in the same device, which can significantly enhance the cost-effective feature of the grid-connected inverter, as well as can decrease the investment and bulk compared with multiple devices with independent functionalities. MFGCIs are especially suitable for DGSs and MGs application due to their good performances and benefits. Topologies and control strategies of MFGCIs are comprehensively reviewed in this paper. Additionally, detailed explanation, comparison, and discussion on MFGCIs are achieved. Furthermore, some future research fields on MFGCIs are well summarized.

Keywords: Multi-functional grid-connected inverter; Topologies and control strategies; Auxiliary services; Power quality enhancement; Distributed generation system and micro-grid; Review (search for similar items in EconPapers)
Date: 2013
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (46)

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DOI: 10.1016/j.rser.2013.03.033

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