An improved loss-separation method for transformer core loss calculation and its experimental verification

H Li, L Wang, J Li, J Zhang - IEEE Access, 2020 - ieeexplore.ieee.org
The separation of core loss plays an important role in the transformer loss calculation. To
obtain more accurate core loss, based on the comparison and analysis on two traditional …

[HTML][HTML] New approach to evaluate a non-grain oriented electrical steel electromagnetic performance using photomicrographic analysis via digital image processing

PP Rebouças Filho, JC dos Santos, FNC Freitas… - Journal of Materials …, 2019 - Elsevier
The growing global demand for energy makes it necessary to adopt measures ranging from
the exploration of new energy sources to the development of technology for machinery and …

[HTML][HTML] Non-grain oriented electrical steel photomicrograph classification using transfer learning

RF Ivo, DA Rodrigues, GM Bezerra, FNC Freitas… - Journal of Materials …, 2020 - Elsevier
Among the many factors that contribute to achieving a sustainable and efficient economy is
the raw material of machinery and equipment of strategic sectors. Non-grain oriented (NGO) …

A novel cost-effective magnetic characterization tool for soft magnetic materials used in electrical machines

R Raj, BS Ram, R Bhat… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Energy losses during the magnetization process of soft magnetic laminations depend on the
excitation waveform. Manufacturers of magnetic materials may not provide losses for …

Characteristics of Mg1− xCoxO powder prepared using coprecipitation method for glass film formation on and magnetic performance improvement of electrical steel

BG Kim, HH Choi, JH Son, M serk Kwon… - Journal of Magnetism …, 2022 - Elsevier
To save energy and reduce noise in high-efficiency transformers that use grain-oriented
steel (GO), iron core loss reduction and magnetic flux density improvement of the GO are …