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Modulation and Control Strategy for an Isolated and Bidirectional Two-Stage DC-AC converter with a high ripple on the DC-Link to interface Battery with the Single-Phase Grid
Modulation and Control Strategy for an Isolated and Bidirectional Two-Stage DC-AC converter with a high ripple on the DC-Link to interface Battery with the Single-Phase Grid
dc.contributor.author | Pantaleon E. | es_PE |
dc.contributor.author | Rosas D.S.Y. | es_PE |
dc.contributor.author | Espinoza R. | es_PE |
dc.date.accessioned | 2024-05-30T23:13:38Z | |
dc.date.available | 2024-05-30T23:13:38Z | |
dc.date.issued | 2021 | |
dc.description | This work was financed by CONCYTEC-FONDECYT within the call for projects E041-01 [Contract Number 176-2018-BM-FT]. | |
dc.description.abstract | This paper analyzes the modulation and the control strategy for an isolated and bidirectional two-stage DC-AC converter to interface batteries with the single-phase grid. The converter is composed of a Dual-Active-Bridge Series-Resonant (DABSR) DC-DC converter cascaded with a Voltage Source Inverter (VSI). Both converters are linked by a film capacitor. The time-variant single-phase power is decoupled on the DC-link, which allows a high ripple voltage. In the VSI control, a Notch Filter (NF) is used to filter the low-frequency ripple influence in the grid power transfer. Two different modulations are analyzed to power decoupling in the DABSR DC-DC converter: (1) 50% fixed duty ratio (FDR) with time-variant phase-shift (TVPS) modulation and (2) time-variant duty ratio (TVDR) with fixed phase-shift modulation to power transfer. The analysis for different capacitance values is made considering the ripple on the DC-Link and the THD in the grid current. The results show that 50% FDR and TVPS modulation allows ZVS mode and minimum high-frequency current. However, TVDR allows a better power decoupling in the DC current. The control strategy and modulation are validated by simulation. © 2021 IEEE. | |
dc.description.sponsorship | Consejo Nacional de Ciencia, Tecnología e Innovación Tecnológica - Concytec | |
dc.identifier.doi | https://doi.org/10.1109/PEDG51384.2021.9494276 | |
dc.identifier.scopus | 2-s2.0-85112385527 | |
dc.identifier.uri | https://hdl.handle.net/20.500.12390/3027 | |
dc.language.iso | eng | |
dc.publisher | Institute of Electrical and Electronics Engineers Inc. | |
dc.relation.ispartof | Proceedings of the 2021 IEEE 12th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2021 | |
dc.rights | info:eu-repo/semantics/openAccess | |
dc.subject | VSI | |
dc.subject | DABSR converter | es_PE |
dc.subject | Series Resonant Circuit (SCR) | es_PE |
dc.subject | TVDR modulation | es_PE |
dc.subject | TVPS modulation | es_PE |
dc.subject.ocde | https://purl.org/pe-repo/ocde/ford#2.02.01 | |
dc.title | Modulation and Control Strategy for an Isolated and Bidirectional Two-Stage DC-AC converter with a high ripple on the DC-Link to interface Battery with the Single-Phase Grid | |
dc.type | info:eu-repo/semantics/conferenceObject | |
dspace.entity.type | Publication |