Improved protection scheme for shipboard microgrids based on high frequency impedance method with experimental validation
This paper addresses the critical problem of fault detection in DC zonal shipboard microgrids, which is essential for ensuring system reliability and operational safety. The proposed method detects faults by utilizing the high-frequency characteristics of estimated impedance. The technique involves...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-03-01
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| Series: | International Journal of Electrical Power & Energy Systems |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S0142061524006732 |
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| author | Asmaa M. Aboelezz Magdi M. El-Saadawi Abdelfattah A. Eladl Magda I. El-Afifi Vladimír Bureš Bishoy E. Sedhom |
| author_facet | Asmaa M. Aboelezz Magdi M. El-Saadawi Abdelfattah A. Eladl Magda I. El-Afifi Vladimír Bureš Bishoy E. Sedhom |
| author_sort | Asmaa M. Aboelezz |
| collection | DOAJ |
| description | This paper addresses the critical problem of fault detection in DC zonal shipboard microgrids, which is essential for ensuring system reliability and operational safety. The proposed method detects faults by utilizing the high-frequency characteristics of estimated impedance. The technique involves Fast Fourier Transform analysis of current and voltage waveforms to extract high-frequency components before and after a fault. These features help identify the system’s high-frequency impedance via a communication system. Fault detection is achieved by comparing the estimated impedance with a predefined threshold. The performance of the method is evaluated using MATLAB/Simulink simulations and experimental implementations under various scenarios. Communication between components in the DC zonal microgrid is managed using the IEC 61850 standard. Results demonstrate the method’s effectiveness in detecting faults under diverse conditions, including variations in fault resistance, dynamic load behavior, changes in photovoltaic irradiation, system configuration alterations, noise immunity, and multi-fault scenarios. The method achieves fault clearance times ranging from 0.17 ms in MATLAB/Simulink simulations to 33–45 ms in experimental tests, showing its capability to enhance fault detection in complex DC microgrid environments. |
| format | Article |
| id | doaj-art-3348aebca1644e2685257a1419a9c654 |
| institution | Kabale University |
| issn | 0142-0615 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | International Journal of Electrical Power & Energy Systems |
| spelling | doaj-art-3348aebca1644e2685257a1419a9c6542025-01-19T06:24:04ZengElsevierInternational Journal of Electrical Power & Energy Systems0142-06152025-03-01164110448Improved protection scheme for shipboard microgrids based on high frequency impedance method with experimental validationAsmaa M. Aboelezz0Magdi M. El-Saadawi1Abdelfattah A. Eladl2Magda I. El-Afifi3Vladimír Bureš4Bishoy E. Sedhom5Dept. of Electrical Engineering, Faculty of Engineering, Mansoura University, Egypt; Faculty of Engineering, Mansoura National University, EgyptDept. of Electrical Engineering, Faculty of Engineering, Mansoura University, EgyptDept. of Electrical Engineering, Faculty of Engineering, Mansoura University, EgyptDept. of Electrical Engineering, Faculty of Engineering, Mansoura University, Egypt; Nile Higher Institute of Engineering and Technology, El-Mansoura, EgyptFaculty of Informatics and Management, University of Hradec Kralove, Hradec Kralove 50003, Czech Republic; Corresponding author.Dept. of Electrical Engineering, Faculty of Engineering, Mansoura University, EgyptThis paper addresses the critical problem of fault detection in DC zonal shipboard microgrids, which is essential for ensuring system reliability and operational safety. The proposed method detects faults by utilizing the high-frequency characteristics of estimated impedance. The technique involves Fast Fourier Transform analysis of current and voltage waveforms to extract high-frequency components before and after a fault. These features help identify the system’s high-frequency impedance via a communication system. Fault detection is achieved by comparing the estimated impedance with a predefined threshold. The performance of the method is evaluated using MATLAB/Simulink simulations and experimental implementations under various scenarios. Communication between components in the DC zonal microgrid is managed using the IEC 61850 standard. Results demonstrate the method’s effectiveness in detecting faults under diverse conditions, including variations in fault resistance, dynamic load behavior, changes in photovoltaic irradiation, system configuration alterations, noise immunity, and multi-fault scenarios. The method achieves fault clearance times ranging from 0.17 ms in MATLAB/Simulink simulations to 33–45 ms in experimental tests, showing its capability to enhance fault detection in complex DC microgrid environments.http://www.sciencedirect.com/science/article/pii/S0142061524006732Shipboard microgridHigh-frequency impedance estimationDC zonal shipboard microgridModbus TCP/IPlFault detection and localizationIEC 61,850 |
| spellingShingle | Asmaa M. Aboelezz Magdi M. El-Saadawi Abdelfattah A. Eladl Magda I. El-Afifi Vladimír Bureš Bishoy E. Sedhom Improved protection scheme for shipboard microgrids based on high frequency impedance method with experimental validation International Journal of Electrical Power & Energy Systems Shipboard microgrid High-frequency impedance estimation DC zonal shipboard microgrid Modbus TCP/IPl Fault detection and localization IEC 61,850 |
| title | Improved protection scheme for shipboard microgrids based on high frequency impedance method with experimental validation |
| title_full | Improved protection scheme for shipboard microgrids based on high frequency impedance method with experimental validation |
| title_fullStr | Improved protection scheme for shipboard microgrids based on high frequency impedance method with experimental validation |
| title_full_unstemmed | Improved protection scheme for shipboard microgrids based on high frequency impedance method with experimental validation |
| title_short | Improved protection scheme for shipboard microgrids based on high frequency impedance method with experimental validation |
| title_sort | improved protection scheme for shipboard microgrids based on high frequency impedance method with experimental validation |
| topic | Shipboard microgrid High-frequency impedance estimation DC zonal shipboard microgrid Modbus TCP/IPl Fault detection and localization IEC 61,850 |
| url | http://www.sciencedirect.com/science/article/pii/S0142061524006732 |
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