All Outputs (47)

Interlaminar faults in a GOFeSi laminated magnetic core: measurements and simulations (2024)
Presentation / Conference Contribution
Bahmani, H. (2024, May). Interlaminar faults in a GOFeSi laminated magnetic core: measurements and simulations. Presented at IEEE International Magnetic Conference (InterMag 2024), Rio de Janeiro, Brazil

Grain-oriented silicon steel (GOFeSi) laminations are massively used as magnetic cores in electrical energy converters (motors and transformers). Edge burrs can appear during the manufacturing process and be at the origin of interlaminar faults (ILFs... Read More about Interlaminar faults in a GOFeSi laminated magnetic core: measurements and simulations.

Frequency Spectrum Analysis of Magnetic Field Strength for Effective Condition Monitoring of Magnetic Cores (2024)
Presentation / Conference Contribution
Hamzehbahmani, H. (2024, May). Frequency Spectrum Analysis of Magnetic Field Strength for Effective Condition Monitoring of Magnetic Cores. Presented at 2024 IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers), Rio de Janeiro, Brazil

This paper presents a new approach for Inter-laminar Fault (ILF) analysis and condition monitoring of magnetic cores with Grain-Oriented Electrical Steels (GOES). The proposed technique relies on interpreting frequency spectrum of the magnetic field... Read More about Frequency Spectrum Analysis of Magnetic Field Strength for Effective Condition Monitoring of Magnetic Cores.

Frequency Spectrum Analysis of Magnetic Field Strength for Effective Condition Monitoring of Magnetic Cores (2024)
Journal Article
Bahmani, H. (2024). Frequency Spectrum Analysis of Magnetic Field Strength for Effective Condition Monitoring of Magnetic Cores. IEEE Transactions on Magnetics, 60(9), 1-9. https://doi.org/10.1109/TMAG.2024.3420801

Fault diagnosis and condition monitoring of electromagnetic devices is a normal practice to prevent unpredicted downtime and catastrophic failure. As a key objective in effective fault diagnostic, the quality assessment of magnetic cores to identify... Read More about Frequency Spectrum Analysis of Magnetic Field Strength for Effective Condition Monitoring of Magnetic Cores.

Magnetic behavior of a laminated magnetic core in the presence of interlaminar faults: A simulation method based on fractional operators (2024)
Journal Article
Ducharne, B., Hamzehbahmani, H., Sabariego, R. V., & Gao, Y. (2024). Magnetic behavior of a laminated magnetic core in the presence of interlaminar faults: A simulation method based on fractional operators. Journal of Magnetism and Magnetic Materials, 603, Article 172278. https://doi.org/10.1016/j.jmmm.2024.172278

Stacks of grain-oriented silicon steel (GO FeSi) laminations play a crucial role as magnetic cores of power transformers. These cores undergo degradation over time due to corrosion, thermal cycles, etc. Geometrical abnormalities and residual stress f... Read More about Magnetic behavior of a laminated magnetic core in the presence of interlaminar faults: A simulation method based on fractional operators.

AC Hysteresis Modeling of Grain-Oriented Silicon Steel Considering DC Hysteresis and Anomalous Field (2024)
Presentation / Conference Contribution
Kira, A., Gao, Y., Guan, W., Hamzehbahmani, H., & Muramatsu, K. (2024, June). AC Hysteresis Modeling of Grain-Oriented Silicon Steel Considering DC Hysteresis and Anomalous Field. Presented at 2024 IEEE 21st Biennial Conference on Electromagnetic Field Computation (CEFC), Jeju, Korea, Republic of

Highly accurate iron loss calculations are necessary to accurately predict the efficiency of electrical equipment. Currently, most iron loss calculations for electrical equipment only take initial magnetization curves into consideration. At the same... Read More about AC Hysteresis Modeling of Grain-Oriented Silicon Steel Considering DC Hysteresis and Anomalous Field.

A Pragmatic Approach for Condition Monitoring of Magnetic Cores with Predominant Focus on Axial off-set Between the Fault Points (2024)
Presentation / Conference Contribution
Hamzehbahmani, H., Sabariego, R., & Ducharne, B. (2024, April). A Pragmatic Approach for Condition Monitoring of Magnetic Cores with Predominant Focus on Axial off-set Between the Fault Points. Presented at The International Steel Sheet Summit, Aachen, Germany

High-Frequency Fractional Predictions and Spatial Distribution of the Magnetic Loss in a Grain-Oriented Magnetic Steel Lamination (2024)
Journal Article
Ducharne, B., Hamzehbahmani, H., Gao, Y., Fagan, P., & Sebald, G. (2024). High-Frequency Fractional Predictions and Spatial Distribution of the Magnetic Loss in a Grain-Oriented Magnetic Steel Lamination. Fractal and Fractional, 8(3), Article 176. https://doi.org/10.3390/fractalfract8030176

Grain-oriented silicon steel (GO FeSi) laminations are vital components for efficient energy conversion in electromagnetic devices. While traditionally optimized for power frequencies of 50/60 Hz, the pursuit of higher frequency operation (f ≥ 200 Hz... Read More about High-Frequency Fractional Predictions and Spatial Distribution of the Magnetic Loss in a Grain-Oriented Magnetic Steel Lamination.

A Knowledge-Based Analysis of Interlaminar Faults for Condition Monitoring of Magnetic Cores With Predominant Focus on Axial Offset Between the Fault Points (2024)
Journal Article
Hamzehbahmani, H., Sabariego, R. V., & Ducharne, B. (2024). A Knowledge-Based Analysis of Interlaminar Faults for Condition Monitoring of Magnetic Cores With Predominant Focus on Axial Offset Between the Fault Points. IEEE Transactions on Instrumentation and Measurement, 73, 1-10. https://doi.org/10.1109/tim.2024.3375419

Condition monitoring and fault diagnosis of electromagnetic devices is a normal practice to prevent unpredicted downtime and catastrophic failure. In this sense, interlaminar faults (ILFs) detection or fault diagnosis in the magnetic cores is a key o... Read More about A Knowledge-Based Analysis of Interlaminar Faults for Condition Monitoring of Magnetic Cores With Predominant Focus on Axial Offset Between the Fault Points.

Evaluation of LVRT capability and stability analysis of VSC based advanced control approach for grid connected PV system under grid fault conditions (2024)
Journal Article
Zahloul, H., Khaliq, A., Hamzehbahmani, H., Veremieiev, S., & Salous, S. (2024). Evaluation of LVRT capability and stability analysis of VSC based advanced control approach for grid connected PV system under grid fault conditions. Heliyon, 10(5), Article e26935. https://doi.org/10.1016/j.heliyon.2024.e26935

Short circuit faults are a prevalent issue in power systems, causing disruptions to the grid's normal operation. Dynamic behaviours of the conventional power systems during short circuit faults have been extensively studied and unde... Read More about Evaluation of LVRT capability and stability analysis of VSC based advanced control approach for grid connected PV system under grid fault conditions.

Modeling of Excess Loss Due to Variation of Grain Orientation in Non-Oriented Electrical Steel Sheet (2023)
Presentation / Conference Contribution
Hamzehbahmani, H., Gao, Y., Guan, W., Tian, C., Yuan, J., Chen, B., & Hamzehbahmani, H. (2023, November). Modeling of Excess Loss Due to Variation of Grain Orientation in Non-Oriented Electrical Steel Sheet. Presented at ISEM 2023: 21st International Symposium on Applied Electromagnetics and Mechanics,, Hachioji, Tokyo, Japan

To clarify the mechanism of the excess loss in a Non-Oriented (NO) electrical steel sheet, a modeling of excess loss taking account of the variation of grain orientation is proposed in this paper. In the proposed method, the NO steel sheet is modeled... Read More about Modeling of Excess Loss Due to Variation of Grain Orientation in Non-Oriented Electrical Steel Sheet.

A Comparative Analysis of Energy Loss Mechanism of GO Electrical Steels (2023)
Presentation / Conference Contribution
Hamzehbahmani, H., Sabariego, R., & Ducharne, B. (2023, September). A Comparative Analysis of Energy Loss Mechanism of GO Electrical Steels. Paper presented at 26th Soft Magnetic Materials (SMM26) conference, Prague, Czech Republic

Spectrum Analysis of Magnetic Field Strength for Fault Diagnosis and Condition Monitoring of Magnetic Cores (2023)
Presentation / Conference Contribution
Hamzehbahmani, H. (2023, December). Spectrum Analysis of Magnetic Field Strength for Fault Diagnosis and Condition Monitoring of Magnetic Cores. Presented at 26th Soft Magnetic Materials (SMM26) conference, Prague, Czech Republic

Numerical and Experimental Characterization of Laminated Magnetic Cores with Inter-Laminar Faults (2023)
Presentation / Conference Contribution
Sabariego, R., Hamzehbahmani, H., & Ducharne, B. (2023, December). Numerical and Experimental Characterization of Laminated Magnetic Cores with Inter-Laminar Faults. Presented at 24th International Conference on the Computation of Electromagnetic Fields (COMPUMAG 2023), Kyoto, Japan

An Experimental-Numerical Approach for Energy Loss Separation of Grain-Oriented Electrical Steels (2023)
Presentation / Conference Contribution
Hamzehbahmani, H., Shibauchi, T., Gao, Y., Guan, W., & Muramatsu, K. (2023, December). An Experimental-Numerical Approach for Energy Loss Separation of Grain-Oriented Electrical Steels. Presented at International Magnetic Conference (InterMag 2023), Sendai, Japan

An Experimental-Analytical Approach for Condition Monitoring of Magnetic Cores with Predominant Focus on Axial off-set Between the Short Circuit Points (2023)
Presentation / Conference Contribution
Hamzehbahmani, H., Sabariego, R., & Ducharne, B. (2023, December). An Experimental-Analytical Approach for Condition Monitoring of Magnetic Cores with Predominant Focus on Axial off-set Between the Short Circuit Points. Presented at International Magnetic Conference (InterMag 2023), Sendai, Japan

A new hysteresis simulation method for interpreting the magnetic properties of non-oriented electrical steels (2023)
Journal Article
Zhang, Z., Hamzehbahmani, H., & Gaskell, P. (2023). A new hysteresis simulation method for interpreting the magnetic properties of non-oriented electrical steels. Journal of Magnetism and Magnetic Materials, 576, Article 170763. https://doi.org/10.1016/j.jmmm.2023.170763

The magnetic properties of non-oriented electrical steels (NOESs) are characterized using an analytical simulation method accounting for the microstructures in ferromagnetic materials. Complementary experimental data for thin sheet laminations, obtai... Read More about A new hysteresis simulation method for interpreting the magnetic properties of non-oriented electrical steels.

An Enhanced Analysis of Inter-Laminar Faults in Magnetic Cores with Grain Oriented Electrical Steels for Fault Diagnosis and Condition Monitoring: Theoretical Background and Experimental Verification (2023)
Journal Article
Hamzehbahmani, H. (2023). An Enhanced Analysis of Inter-Laminar Faults in Magnetic Cores with Grain Oriented Electrical Steels for Fault Diagnosis and Condition Monitoring: Theoretical Background and Experimental Verification. IEEE Transactions on Instrumentation and Measurement, 72, Article 6002610. https://doi.org/10.1109/tim.2023.3253882

Fault diagnosis and condition monitoring of electromagnetic devices are the strategies for monitoring and processing parameters of the device for fault identification and failure prediction. In this respect, core faults or inter-laminar faults (ILFs)... Read More about An Enhanced Analysis of Inter-Laminar Faults in Magnetic Cores with Grain Oriented Electrical Steels for Fault Diagnosis and Condition Monitoring: Theoretical Background and Experimental Verification.

An Approach to Dynamic Behaviour of a Grid Connected PV System During Symmetrical Short Circuit Fault (2022)
Presentation / Conference Contribution
Zahloul, H., Khaliq, A., Hamzehbahmani, H., & Veremieiev, S. (2022, December). An Approach to Dynamic Behaviour of a Grid Connected PV System During Symmetrical Short Circuit Fault. Presented at The 13th International Renewable Energy Congress (IREC 2022), Hammamet, Tunisia

Modeling of Excess Loss in Non-Oriented Electrical Steel Sheet Considering Grain Orientation (2022)
Presentation / Conference Contribution
Gao, Y., Matsuyuki, K., Dozono, H., Muramatsu, K., Guan, W., Tian, C., Yuan, J., Chen, B., & Hamzehbahmani, H. (2022, December). Modeling of Excess Loss in Non-Oriented Electrical Steel Sheet Considering Grain Orientation. Presented at ”, IEEE 20th Biennial Conference on Electromagnetic Field Computation (CEFC), Virtual

A Control Approach for Power Quality Improvement of a Large-Scale Grid Connected PV System at Standard Test Conditions (2022)
Presentation / Conference Contribution
Khaliq, A., Zhahloul, H., & Hamzehbahmani, H. (2022, December). A Control Approach for Power Quality Improvement of a Large-Scale Grid Connected PV System at Standard Test Conditions. Presented at 11th IET International Conference on Renewable Power Generation, London, UK