Outputs (23)

A Review of Carbon Emissions from Electrical Machine Materials (2024)
Journal Article
Zhang, X., Gerada, D., Xu, Z., Zhang, F., & Gerada, C. (2024). A Review of Carbon Emissions from Electrical Machine Materials. Electronics, 13(9), Article 1714. https://doi.org/10.3390/electronics13091714

As the world embarks on a global mission to tackle climate change, reducing carbon represents a key challenge given the escalating global warming. The U.K. is among many other nations that are determined to decarbonise all sectors and strive to achie... Read More about A Review of Carbon Emissions from Electrical Machine Materials.

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.

Fillet Radius Impact of Rectangular Insulated Wires on PDIV for Turn-to-Turn Insulation of Inverter-Fed Motors (2024)
Journal Article
Naderiallaf, H., Degano, M., Gerada, C., & Gerada, D. (2024). Fillet Radius Impact of Rectangular Insulated Wires on PDIV for Turn-to-Turn Insulation of Inverter-Fed Motors. IEEE Transactions on Dielectrics and Electrical Insulation, 31(4), 2084-2093. https://doi.org/10.1109/tdei.2024.3355032

This contribution elucidates the impact of the fillet radius, a geometric feature of rectangular insulated wires not commonly considered, on the partial discharge inception voltage (PDIV) in low-voltage machine turn-to-turn winding insulation. Initia... Read More about Fillet Radius Impact of Rectangular Insulated Wires on PDIV for Turn-to-Turn Insulation of Inverter-Fed Motors.

Research on the Effect of Heat Pipe Inclination Angle on Temperature Distribution in Electrical Machines (2023)
Journal Article
Zhao, H., Zhang, X., Li, J., Zhang, F., Zhang, Y., Yan, H., …Gerada, D. (2023). Research on the Effect of Heat Pipe Inclination Angle on Temperature Distribution in Electrical Machines. IEEE Transactions on Industry Applications, 59(6), 6745-6755. https://doi.org/10.1109/tia.2023.3310977

Due to high equivalent thermal conductivity with lightweight and small size, heat pipes (HPs) are being extensively applied in the motor cooling system to improve its thermal performance. However, when practically installed in electrical machines, th... Read More about Research on the Effect of Heat Pipe Inclination Angle on Temperature Distribution in Electrical Machines.

Analytical Calculation and Experimental Validation of Litz Wires Axial Thermal Conductivity (2023)
Journal Article
Li, Z., Xu, Z., Zhang, F., Gerada, D., Guo, R., Zhang, H., …Zhang, C. (2024). Analytical Calculation and Experimental Validation of Litz Wires Axial Thermal Conductivity. IEEE Transactions on Transportation Electrification, 10(1), 1167-1179. https://doi.org/10.1109/TTE.2023.3262766

Litz wires are widely used in electrical machines with reduced AC losses, compared to traditional random winding. The reduced AC losses can improve both electrical machines electromagnetic performance, such as efficiency and thermal performance. Ther... Read More about Analytical Calculation and Experimental Validation of Litz Wires Axial Thermal Conductivity.

Heat Pipe Bending Effect on Cooling Effectiveness in Electrical Machines (2023)
Journal Article
Zhao, H., Zhang, X., Li, J., Wang, H., Zhang, F., Zhang, H., …Gerada, D. (2023). Heat Pipe Bending Effect on Cooling Effectiveness in Electrical Machines. IEEE Transactions on Energy Conversion, 38(3), 2011-2021. https://doi.org/10.1109/tec.2023.3249971

Heat pipes(HPs) are being extensively explored in motor cooling scenarios for enhanced cooling capacity. HPs are commonly bent to adapt to the compact structure of electrical machines, whereas the bending effect on motor cooling effectiveness still r... Read More about Heat Pipe Bending Effect on Cooling Effectiveness in Electrical Machines.

Impact of stator interturn short circuit fault on shaft voltage in a synchronous generator (2022)
Journal Article
He, Y., Yang, P., Sun, K., Xu, Z., Wang, H., He, X., & Gerada, D. (2023). Impact of stator interturn short circuit fault on shaft voltage in a synchronous generator. IET Electric Power Applications, 17(3), 381-391. https://doi.org/10.1049/elp2.12271

Shaft voltage often exists in synchronous generators due to the assembly error or various faults after the long‐term performance. The article investigates the shaft voltage characteristic under the stator interturn short circuit (SISC) condition. Dif... Read More about Impact of stator interturn short circuit fault on shaft voltage in a synchronous generator.

Airgap Length Analysis of a 350kW PM-Assisted Syn-Rel Machine for Heavy Duty EV Traction (2022)
Journal Article
Zou, T., Gerada, D., La Rocca, S., La Rocca, A., Walker, A., Vakil, G., …Gerada, C. (2023). Airgap Length Analysis of a 350kW PM-Assisted Syn-Rel Machine for Heavy Duty EV Traction. IEEE Transactions on Industry Applications, 59(2), 1557-1570. https://doi.org/10.1109/TIA.2022.3225255

Synchronous reluctance (Syn-Rel) machines with embedded permanent magnets (PMs) are research hotspots in variable speed motor drives due to their robust rotor structure and wide constant power speed range (CPSR). In this paper, the potential of PM-as... Read More about Airgap Length Analysis of a 350kW PM-Assisted Syn-Rel Machine for Heavy Duty EV Traction.

Stator current identification in generator among single and composite faults composed by static air‐gap eccentricity and rotor inter‐turn short circuit (2022)
Journal Article
He, Y., Qiu, M., Jiang, M., Zhou, F., Gerada, D., Zhang, X., & Du, X. (2023). Stator current identification in generator among single and composite faults composed by static air‐gap eccentricity and rotor inter‐turn short circuit. IET Electric Power Applications, 17(2), 268-278. https://doi.org/10.1049/elp2.12260

In this study, a fault diagnosis model based on magnetic density is proposed to analyse the current characteristics of synchronous generator rotor inter‐turn short circuit and air gap eccentric single fault and composite fault. The model considers th... Read More about Stator current identification in generator among single and composite faults composed by static air‐gap eccentricity and rotor inter‐turn short circuit.

Impact of Radial Air-Gap Eccentricity on Stator End Winding Vibration Characteristics in DFIG (2022)
Journal Article
Xu, M., He, Y., Zhang, W., Dai, D., Liu, X., Zheng, W., …Shi, S. (2022). Impact of Radial Air-Gap Eccentricity on Stator End Winding Vibration Characteristics in DFIG. Energies, 15(17), Article 6426. https://doi.org/10.3390/en15176426

In this paper, qualitative theoretical derivations, finite element analysis (FEA) and experiments are used to investigate the electromagnetic force (EF) and vibration characteristics of end windings. In contrast to previous studies, this study focuse... Read More about Impact of Radial Air-Gap Eccentricity on Stator End Winding Vibration Characteristics in DFIG.