Cooling techniques in direct-drive generators for wind power application

P Taras, R Nilifard, ZQ Zhu, Z Azar - Energies, 2022 - mdpi.com
Direct-drive generators are an attractive candidate for wind power application since they do
not need a gearbox, thus increasing operational reliability and reducing power losses …

High-speed permanent magnet synchronous motor iron loss calculation method considering multiphysics factors

G Liu, M Liu, Y Zhang, H Wang… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
For the high-speed permanent magnet synchronous motors (HSPMSMs), their magnetic
fields are more complicated with the rotating magnetization and harmonics considered …

[HTML][HTML] Energy efficiency model-based digital shadow for induction motors: towards the implementation of a digital twin

AA Adamou, C Alaoui - … Science and Technology, an International Journal, 2023 - Elsevier
The 4th industrial revolution requires the tracking and optimization of energy consumption
using an intelligent energy management system (IEMS). Such a system needs accurate real …

[HTML][HTML] Thermal analysis of 8.5 MVA disk-type power transformer cooled by biodegradable ester oil working in ONAN mode by using advanced EMAG–CFD–CFD …

M Stebel, K Kubiczek, GR Rodriguez, M Palacz… - International Journal of …, 2022 - Elsevier
Power transformers are the first devices used to transfer the electrical energy produced in
power plants to the grid to supply the industrial and individual receivers with electricity. The …

An accurate iron core loss model in equivalent circuit of induction machines

BA Nasir - Journal of Energy, 2020 - Wiley Online Library
Iron core loss is the major loss in electrical machines. It performs up to 25% of total machine
losses. The machine efficiency calculation requires an accurate prediction of losses. The …

Iron-loss modeling with sensorless predictive control of PMBLDC motor drive for electric vehicle application

P Kumar, DV Bhaskar, UR Muduli… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Permanent-magnet brushless dc motor (PMBLDCM) is more suitable for electric vehicle (EV)
with higher torque and driving performance. A suitable loss modeling of PMBLDCM with …

Evaluation of iron loss models in electrical machines

ZQ Zhu, S Xue, W Chu, J Feng, S Guo… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
In this paper, more than 10 different iron loss models are experimentally evaluated, which
cover alternating and rotating fields, the influence of temperature, dc bias flux density and …

Disturbance observer based sensorless predictive control for high performance pmbldcm drive considering iron loss

P Kumar, DV Bhaskar, UR Muduli… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
The control of motor drive without considering iron loss affects the phase back electromotive
force and the torque performance. This article investigates the performance of permanent …

Improved iron loss prediction models for interior PMSMs considering coupling effects of multiphysics factors

L Liu, X Ba, Y Guo, G Lei, X Sun… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This article presents improved iron loss analytical prediction models for interior permanent
magnet synchronous motors (IPMSMs) used in electric vehicles. The effects of slotting …

[HTML][HTML] System analysis and requirements derivation of a hydrogen-electric aircraft powertrain

M Vietze, S Weiland - International Journal of Hydrogen Energy, 2022 - Elsevier
In contrast to sustainable aviation fuels for use in conventional combustion engines,
hydrogen-electric powertrains constitute a fundamentally novel approach that requires …