HYDROGEN AND BATTERY – BASED HYBRID ENERGY STORAGE SYSTEM (ESS) FOR FUTURE DC MICROGRIDS
| dc.contributor.advisor | Krishnamoorthy, Harish S. | |
| dc.contributor.committeeMember | Shi, Jian | |
| dc.contributor.committeeMember | Joardar, Biresh Kumar | |
| dc.creator | Diabate, Massiagbe Fatoumata | |
| dc.creator.orcid | 0009-0007-3906-0130 | |
| dc.date.accessioned | 2024-01-24T15:46:44Z | |
| dc.date.created | August 2023 | |
| dc.date.issued | 2023-08 | |
| dc.date.updated | 2024-01-24T15:46:45Z | |
| dc.description.abstract | Energy Storage systems (ESS) are used to store excess Renewable Energy Resources (RES) to help meet the power grid requirements. Different energy storage devices have different strengths and weaknesses. Battery, for example, has a high-power density capable of providing power almost instantaneously, while hydrogen has a high energy density capable of providing power for a long period of time. In order to take advantage of their unique aspects, there can be used in conjunction with each other in what is called a Hybrid Energy Storage System (HESS). In the first part of this work, a hydrogen-based ESS for DC microgrid, which can potentially be integrated with battery ESS to meet the needs of future grids with high renewable penetration, is investigated. A challenging aspect of this system is the integration of power electronics with fuel cell technology to convert RES into electricity seamlessly. A phase Shifted Full Bridge (PSFB) converter is used as a step-down transformer to activate clean hydrogen production during the electrolysis. The stored hydrogen is transformed into electricity when needed to balance demand and supply. The proposed system simulates aspects of the power conversion, electrolyzer, storage tank, and fuel cell needed for the proposed hybrid ESS. The second part of this work explores the implementation of the proposed system's optimal energy management (EMS) to minimize its operation and battery degradation cost. The optimized system will not only schedule the distributed energy resource (DER) and exchange power with the main grid, but it will also consider selling back power to the grid to minimize the cost of the system. The objective function formulation minimizes the operation cost of the system and also limits the battery charging rate to prioritize hydrogen storage during high penetration of the RES and avoid rapid degradation of the battery. As in the first part of this work, the second part will also optimize the different aspects of the hybrid ESS to maintain a reliable system operation by carefully managing supply and demand between the two storage and limiting constant use of the battery, thus increasing its lifetime. | |
| dc.description.department | Electrical and Computer Engineering, Department of | |
| dc.format.digitalOrigin | born digital | |
| dc.format.mimetype | application/pdf | |
| dc.identifier.citation | Portions of this document appear in: M. Diabate, T. Vriend, H. S. Krishnamoorthy and J. Shi, "Hydrogen and Battery–Based Energy Storage System (ESS) for Future DC Microgrids," 2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Jaipur, India, 2022, pp. 1-6, doi: 10.1109/PEDES56012.2022.10080550. | |
| dc.identifier.uri | https://hdl.handle.net/10657/16011 | |
| dc.language.iso | eng | |
| dc.rights | The author of this work is the copyright owner. UH Libraries and the Texas Digital Library have their permission to store and provide access to this work. UH Libraries has secured permission to reproduce any and all previously published materials contained in the work. Further transmission, reproduction, or presentation of this work is prohibited except with permission of the author(s). | |
| dc.subject | Battery, Fuel Cells, Hybrid Energy Storage System (HESS), Microgrids, Clean Electrolysis, DC Grid , Energy Management System (EMS), Renewable Energy Source (RES), Battery Energy System Storage (BESS), Hydrogen System Storage (HSS), Electrolyzer, Fuel Cell | |
| dc.title | HYDROGEN AND BATTERY – BASED HYBRID ENERGY STORAGE SYSTEM (ESS) FOR FUTURE DC MICROGRIDS | |
| dc.type.dcmi | text | |
| dc.type.genre | Thesis | |
| dcterms.accessRights | The full text of this item is not available at this time because the student has placed this item under an embargo for a period of time. The Libraries are not authorized to provide a copy of this work during the embargo period. | |
| local.embargo.lift | 2025-08-01 | |
| local.embargo.terms | 2025-08-01 | |
| thesis.degree.college | Cullen College of Engineering | |
| thesis.degree.department | Electrical and Computer Engineering, Department of | |
| thesis.degree.discipline | Electrical Engineering | |
| thesis.degree.grantor | University of Houston | |
| thesis.degree.level | Masters | |
| thesis.degree.name | Master of Science |