Mr MOSTAFA AHMADI DARMANI's Outputs (14)

Design Strategies for Scalable and Modular Aerospace Electrical Machines (2024)
Presentation / Conference Contribution
Darmani, M. A., Murataliyev, M., Gerada, D., & Gerada, C. (2024, September). Design Strategies for Scalable and Modular Aerospace Electrical Machines. Presented at 2024 International Conference on Electrical Machines (ICEM), Torino, Italy

In his study, innovative design approaches for scalable and modular inverter-fed electrical machines, tailored for aerospace applications, are explored with the primary goal of achieving unparalleled power density within powertrain systems. Three dis... Read More about Design Strategies for Scalable and Modular Aerospace Electrical Machines.

Multiphysics Sizing of Interior Permanent Magnet Machines Based on Geometric Methodology (2024)
Journal Article
Darmani, M. A., Cavagnino, A., Vaschetto, S., Marignetti, F., & Gerada, C. (2024). Multiphysics Sizing of Interior Permanent Magnet Machines Based on Geometric Methodology. IEEE Open Journal of Industry Applications, 5, 283 - 299. https://doi.org/10.1109/ojia.2024.3427863

This study presents a sizing methodology in the frame of the multidisciplinary design of interior permanent magnet synchronous machines. The proposed approach targets at obtaining an initial electromagnetic design of the machine, including diameters,... Read More about Multiphysics Sizing of Interior Permanent Magnet Machines Based on Geometric Methodology.

AFPM Machines Equipped with Multilayer Magnets (2024)
Journal Article
Darmani, M. A., Pošković, E., Franchini, F., Ferraris, L., Cavagnino, A., & Gerada, C. (2024). AFPM Machines Equipped with Multilayer Magnets. IEEE Transactions on Energy Conversion, https://doi.org/10.1109/tec.2024.3420133

This article investigates the manufacturability and applicability of unified multilayer magnets, comprising two different magnetic materials with distinct characteristics, for use in electrical machines. In particular, the self-produced multilayer ma... Read More about AFPM Machines Equipped with Multilayer Magnets.

Analysis of Proximity Loss of Electrical Machines Using Mesh-Based Magnetic Equivalent Circuit (2024)
Journal Article
Yuan, Y., Ahmadi Darmani, M., Bao, Y., Zhang, X., Gerada, D., & Zhang, H. (2024). Analysis of Proximity Loss of Electrical Machines Using Mesh-Based Magnetic Equivalent Circuit. IEEE Transactions on Transportation Electrification, https://doi.org/10.1109/TTE.2024.3383845

In high power density machines, proximity loss presents an unavoidable obstacle due to its significant impact on thermal dissipation and insulation aging. To address the need for rapid and accurate proximity loss prediction, this study presents a nov... Read More about Analysis of Proximity Loss of Electrical Machines Using Mesh-Based Magnetic Equivalent Circuit.

Manufacturing and Characterization of Novel Multilayer Magnets for Electrical Machine Applications (2022)
Journal Article
Darmani, M. A., Poskovic, E., Franchini, F., Ferraris, L., & Cavagnino, A. (2022). Manufacturing and Characterization of Novel Multilayer Magnets for Electrical Machine Applications. IEEE Transactions on Energy Conversion, 37(4), 2398-2407. https://doi.org/10.1109/TEC.2022.3174913

This paper presents the potentialities of diverse kinds of permanent magnet materials in order to build and characterize multilayer magnets, as well as to investigate their prospective application in electrical machines. In particular, bonded magnet... Read More about Manufacturing and Characterization of Novel Multilayer Magnets for Electrical Machine Applications.

Multiphysic Design and Modeling of Rotating Electrical Machines (2021)
Presentation / Conference Contribution
Ahmadi Darmani, M., VASCHETTO, S., & CAVAGNINO, A. (2021, October). Multiphysic Design and Modeling of Rotating Electrical Machines. Presented at IECON 2021-47th Annual Conference of the IEEE Industrial Electronics Society, Toronto, ON, Canada

This paper presents a general overview on design process of electrical machines considering a multiphysic point of view, and a road map for a comprehensive design approach is drawn. The objective multi-physical criterion including electromagnetism an... Read More about Multiphysic Design and Modeling of Rotating Electrical Machines.

Electromagnetic and Thermal Evaluation of Surface-Mounted PM Vernier Machines (2021)
Presentation / Conference Contribution
Ahmadi Darmani, M., Vaschetto, S., Cavagnino, A., & Popescu, M. (2021, October). Electromagnetic and Thermal Evaluation of Surface-Mounted PM Vernier Machines. Presented at 13th Annual IEEE Energy Conversion Congress & Exposition (ECCE 2021), Vancouver, BC, Canada (online)

This study investigates the electromagnetic and thermal performance of surface-mounted permanent magnet vernier machines. In particular, different losses and thermal behaviour of PM vernier machines are evaluated considering different gear ratios and... Read More about Electromagnetic and Thermal Evaluation of Surface-Mounted PM Vernier Machines.

Noninvasive Measurements and FEM Analyses for Estimating the Rotor Bar-Lamination Contact Resistance (2021)
Journal Article
Gmyrek, Z., Vaschetto, S., Ahmadi Darmani, M., & Cavagnino, A. (2021). Noninvasive Measurements and FEM Analyses for Estimating the Rotor Bar-Lamination Contact Resistance. IEEE Transactions on Industry Applications, 57(1), 208-217. https://doi.org/10.1109/TIA.2020.3028347

This research work investigates the phenomenon of interbar currents in induction motors equipped with die-cast aluminum cages. Flowing in the lamination and distorting the bar current distributions, the interbar currents cause additional stray losses... Read More about Noninvasive Measurements and FEM Analyses for Estimating the Rotor Bar-Lamination Contact Resistance.

Efficiency Mapping and Weighted Average Efficiency for Large Hydrogenerators (2021)
Journal Article
Bortoni, E. D. C., Siniscalchi, R. T., Vaschetto, S., Darmani, M. A., & Cavagnino, A. (2021). Efficiency Mapping and Weighted Average Efficiency for Large Hydrogenerators. IEEE Open Journal of Industry Applications, 2, 11-20. https://doi.org/10.1109/OJIA.2020.3048989

This paper presents the concept of efficiency mapping for large synchronous hydrogenerators, which are useful for evaluating hydropower generation performance vis-à-vis interconnected intermittent generation to machine efficiency-oriented design. Tes... Read More about Efficiency Mapping and Weighted Average Efficiency for Large Hydrogenerators.

Nanofluids for Rotating Electrical Machines Cooling: Perspectives and Challenges (2019)
Presentation / Conference Contribution
Vaschetto, S., Darmani, M. A., Cavagnino, A., & Tenconi, A. (2019, September). Nanofluids for Rotating Electrical Machines Cooling: Perspectives and Challenges. Presented at 2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe), Genova, Italy

Nanofluids seem to show enhanced properties compared to base fluids in which nanoparticles are dispersed. For this reason, researchers are investigating their application in different engineering fields. However, their use for cooling rotating electr... Read More about Nanofluids for Rotating Electrical Machines Cooling: Perspectives and Challenges.

Electromagnetic sizing of axial-field flux switching permanent magnet machine (2016)
Presentation / Conference Contribution
Marignetti, F., Darmani, M. A., & Mirimani, S. M. (2016, October). Electromagnetic sizing of axial-field flux switching permanent magnet machine. Presented at IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society, Florence, Italy

This paper presents a general sizing procedure of axial-field flux switching permanent magnet (AF-FSPM) machine for various topologies. A comprehensive approach is used for design of AF-FSPM machine and the design flowchart is presented. A three phas... Read More about Electromagnetic sizing of axial-field flux switching permanent magnet machine.

Effects of dynamic eccentricity in Flux Switching Permanent Magnet machines (2016)
Presentation / Conference Contribution
Darmani, M. A., Mirimani, S. M., & Marignetti, F. (2016, June). Effects of dynamic eccentricity in Flux Switching Permanent Magnet machines. Presented at 2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), Capri, Italy

This paper investigates the effect of rotating eccentricity fault on a 10/12 Flux Switching Permanent Magnet (FSPM) machine. Main characteristics of the studied machine such as air-gap flux density, magnetic force between rotor and stator and torque... Read More about Effects of dynamic eccentricity in Flux Switching Permanent Magnet machines.

Static eccentricity fault detection in Flux Switching Permanent Magnet machines (2016)
Presentation / Conference Contribution
Darmani, M. A., Mirimani, S. M., Marignetti, F., & Pour, A. G. (2016, June). Static eccentricity fault detection in Flux Switching Permanent Magnet machines. Presented at 2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), Capri, Italy

This paper studies the effects of static eccentricity (SE) in Flux Switching Permanent Magnet (FSPM) Machines to propose a criterion for fault detection. SE is one of the most common mechanical faults in electrical machines on. In order to achieve th... Read More about Static eccentricity fault detection in Flux Switching Permanent Magnet machines.

Investigation of the effect of eccentricity in Flux Switching Permanent Magnet machines (2016)
Presentation / Conference Contribution
Ahmadi Darmani, M., & Mehdi Mirimani, S. (2016, February). Investigation of the effect of eccentricity in Flux Switching Permanent Magnet machines. Presented at 7th Power Electronics, Drive Systems and Technologies Conference, PEDSTC 2016, Tehran, Iran

This paper studies a 10/12 Flux Switching Permanent Magnet (FSPM) machine under static eccentricity fault to assess the performance of the machine under different operating conditions. Two-dimensional finite element method (FEM) is used to model the... Read More about Investigation of the effect of eccentricity in Flux Switching Permanent Magnet machines.