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Title: Exploration of the relationship between inertia enhancement and DC-link capacitance for grid-connected converters
Authors: Guo, Ke
Tang, Yi
Fang, Jingyang
Keywords: Grid-connected Converters
Engineering::Electrical and electronic engineering
Issue Date: 2018
Source: Guo, K., Tang, Y., & Fang, J. (2018). Exploration of the relationship between inertia enhancement and DC-link capacitance for grid-connected converters. 2018 IEEE 4th Southern Power Electronics Conference (SPEC). doi:10.1109/SPEC.2018.8635904
Abstract: Grid-connected converters (GCCs) are showing potential in providing virtual inertia and has attracted wide attention recently. For the virtual inertia emulated by GCCs, it is proportional with the DC-link capacitance, and thus, the DC-link capacitance can directly affect the dynamic performance for the GCC emulating inertia through modifying the inertia constant. However, the impacts of the DC-link capacitance have never been discussed in any literature before. Considering this issue, the influence of the DC-link capacitance on the dynamic performance for the GCC providing virtual inertia is analyzed in this paper. In addition to that, the selection approach of the DC-link capacitance is presented by tuning the system damping ratio within its optimal range. Simulations verify the correctness.
DOI: 10.1109/SPEC.2018.8635904
Rights: © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at:
Fulltext Permission: open
Fulltext Availability: With Fulltext
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