Results 271 to 280 of about 10,123,200 (347)

Multi-Parameter Estimation of PMSM Using Differential Model With Core Loss Compensation

IEEE Transactions on Transportation Electrification, 2022
Accurate parameters are critical to permanent magnet synchronous machine (PMSM) drive. This article investigates accurate flux linkages, inductances, and PM flux linkage estimation for PMSM with core loss compensation.
G. Feng, Chunyan Lai, Xiaojun Tan, W. Peng, N. Kar   +4 more
semanticscholar   +1 more source

High Power Density 1 MHz 3 kW 400 V-48 V LLC Converter for Datacenters with improved Core Loss and Termination Loss

Applied Power Electronics Conference, 2021
Power consumption of data centers is increasing rapidly over recent years. Recently, 48V power architecture has attracted more interest in data centers as it offers more efficient architecture.
Ahmed Nabih, R. Gadelrab, P. Prakash, Qiang Li, F. Lee   +4 more
semanticscholar   +1 more source

Transfer Learning Methods for Magnetic Core Loss Modeling

Compel, 2021
Transfer learning is a machine learning technique where a model developed for one task is reused as the starting point to initiate the model for another.
Evan Dogariu, Haoran Li, Diego Serrano López, Shukai Wang, Min Luo, Minjie Chen   +5 more
semanticscholar   +1 more source

An Improved Core Loss Model of Ferromagnetic Materials Considering High-Frequency and Nonsinusoidal Supply

IEEE transactions on industry applications, 2021
With the emerging power electronic technologies, numerous electrical devices use high-frequency and nonsinusoidal supplies. Such sources generate complex harmonic fields that overburden the accurate prediction of core losses using the conventional finite
Haisen Zhao, Hassan H. Eldeeb, Yanli Zhang, Dongdong Zhang, Y. Zhan, Guorui Xu, O. Mohammed   +6 more
semanticscholar   +1 more source

Core Loss Model for Arbitrary Excitations With DC Bias Covering a Wide Frequency Range

IEEE transactions on magnetics, 2021
Core loss prediction is quite complex as the excitation of magnetic materials varies depending on the topology and the operating mode of switched-mode power supplies.
E. Stenglein, T. Dürbaum
semanticscholar   +1 more source

High permeability and low core loss nanocrystalline soft magnetic composites based on FeSiBNbCu@Fe3O4 powders prepared by HNO3 oxidation

, 2021
To develop nanocrystalline soft magnetic composites (NSMCs) with good combination of soft magnetic properties, the core-shell structured FeSiBNbCu@Fe3O4 powders were prepared by nitric acid (HNO3) oxidation of the nanocrystalline FeSiBNbCu alloy.
H. Wei, Hongya Yu, Y. Feng, Yongfei Wang, Jiayi He, Zhongwu Liu   +5 more
semanticscholar   +1 more source

Dimensional Effects of Core Loss and Design Considerations for High Frequency Magnetics

European Conference on Cognitive Ergonomics, 2021
To date, LLC Resonant converters, are deployed in many applications for improved efficiency, density, and reliability. With the introduction of WBG devices coupled with the soft switching feature, the switching frequency can be extended beyond MHz.
Ahmed Nabih, R. Gadelrab, Qiang Li, F. Lee   +3 more
semanticscholar   +1 more source

Core Loss Testing

IEEE Industry Applications Magazine, 2011
This Article Discusses the Basic components of core loss (hysteresis and eddy-current losses), the effect of frequency and lamination thickness, and other contributing factors. It also explains the effect of operating frequency of squirrel cage type-rotors and armatures and provides correction factors.
Chuck Yung, Travis Griffith
openaire   +1 more source

Core Loss Estimation in Electric Machines With Flux-Controlled Core Loss Tester

IEEE Transactions on Industry Applications, 2016
The complexity of core loss estimation is an essential limitation for electric machine design engineers. It is critical to estimate the core losses and reduce them in the design stage to improve the machine efficiency. Current estimation methods based on the Steinmetz equation and loss separation are not accurate enough even at the rated conditions ...
Burak Tekgun, Yilmaz Sozer, Igor Tsukerman, Parag Upadhyay, Steven Englebretson   +4 more
openaire   +1 more source

Fe-based amorphous powder cores with low core loss and high permeability fabricated using the core-shell structured magnetic flaky powders

Journal of Magnetism and Magnetic Materials, 2020
Fe-based amorphous powder cores based on the industrial flaky FeSiBCCr magnetic powders coated with high-quality inorganic (SiO2) insulating layer via a sol-gel method were successfully fabricated to improve the soft magnetic properties of powder cores ...
Haibo Sun, Ce Wang, Jinghui Wang, Mingguang Yu, Zhi-Ming Guo   +4 more
semanticscholar   +1 more source