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A novel three-phase four-leg inverter based load unbalance compensator for stand-alone microgrid
Open accessAbstract
This paper proposes a three-phase four-leg voltage sourced inverter (VSI) based load unbalance compensator (LUC) including its control algorithm, which is a component of a microgrid. The purpose of proposed three-phase four-leg VSI based LUC is to improve power quality of the standalone microgrid. Power quality of the microgrid which was installed in Mara-island, Korea is analyzed using a real operational data. In this work, the microgrid in Mara-island which includes a photovoltaic power generation system, a diesel generator, a battery energy storage system, and a power management system is modeled in PSCAD/EMTDC, and proposed three-phase four-leg VSI based LUC is also modeled and applies to the modeled microgrid. Power flow and stability of the modeled microgrid with the LUC is analyzed under variable irradiance and unbalance loads. The results show that the proposed LUC helps to improve stability of the stand-alone microgrid. The proposed three-phase four-leg VSI based LUC and its control algorithm can be effectively utilized to the stand alone microgrid which has large unbalance loads.
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“The four-leg converter outperforms the conventional three-leg converters in terms of the degree of freedom and better control capability [72].”
From State of the Art of Solid-State Transformers: Advanced Topologies, Implementation Issues, Recent Progress and Improvements (2020) · cites this paper as [72]
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Research works printed but not linked: 21
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Cited by
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Hannan, M. A., Ker, P. J., Lipu, M. S. H., Choi, Z. H., Rahman, M. S. A., Muttaqi, K. M., & Blaabjerg, F. (2020) · IEEE Access · doi:10.1109/access.2020.2967345 · Cited by 339
Metadata
- Authors
- Kim, G.-H., Hwang, C., Jeon, J.-H., Ahn, J.-B., & Kim, E.-S.
- Affiliations
- Korea Electrotechnology Research Institute (KR)
- Corresponding author
- Kim, Gyeong-Hun
- Venue
- International Journal of Electrical Power & Energy Systems
- Publisher
- Elsevier BV
- Published
- 2015-02
- Volume
- 65
- Pages
- 70-75
- ISSN
- 0142-0615 (ISSN-L)
- OpenAlex
- W2082593246
- Cited by
- 41
- References
- 0
- Citations by year
- 2026: 3 · 2025: 4 · 2024: 1 · 2023: 3 · 2022: 2 · 2021: 2 · 2020: 6 · 2019: 5 · 2018: 2 · 2017: 3 · 2016: 5 · 2015: 5
- FWCI
- 4.83
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- International Journal of Electrical Power & Energy Systems (publishedVersion, cc-by-nc-nd)
- Topics
- Physical Sciences › Engineering › Control and Systems Engineering › Microgrid Control and Optimization
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Power Quality and Harmonics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Multilevel Inverters and Converters
- Keywords
- three-phase four-leg inverter, stand-alone microgrid, power quality, unbalanced loads, photovoltaic power generation, battery energy storage, diesel generator, power management system, microgrid stability, irradiance variation, control algorithms
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- The paper
- Kim, G.-H., Hwang, C., Jeon, J.-H., Ahn, J.-B., & Kim, E.-S. (2015). A novel three-phase four-leg inverter based load unbalance compensator for stand-alone microgrid. International Journal of Electrical Power & Energy Systems. https://doi.org/10.1016/j.ijepes.2014.09.035
