Results 1 to 10 of about 1,874,197 (235)

High Frequency Transformers for Solid-State Transformer Applications

Applied Sciences, 2023
This paper focuses on the study of the high frequency transformer incorporated in solid- state transformers, specifically on the development of the steps that enable the design of an optimized high frequency transformer and its equivalent model based on ...
Nuno Santos, Miguel Chaves, Paulo Gamboa, Armando Cordeiro, Nelson Santos, Sónia Ferreira Pinto   +5 more
doaj   +3 more sources

Partial Discharge Analysis in High-Frequency Transformer Based on High-Frequency Current Transducer

Energies, 2018
High-frequency transformers are the core components of power electronic transformers (PET), whose insulation is deeply threatened by high voltage (HV) and high frequency (HF). The partial discharge (PD) test is an effective method to assess an electrical
Jun Jiang, Mingxin Zhao, Chaohai Zhang, Min Chen, Haojun Liu, Ricardo Albarracín   +5 more
doaj   +2 more sources

Frequency-aware vision transformers for high-fidelity super-resolution of Earth system models [PDF]

Scientific Reports
Super-resolution can play an essential role in enhancing the spatial fidelity of Earth System Model outputs, allowing fine-scale structures highly beneficial to climate science to be recovered from coarse simulations.
Ehsan Zeraatkar, Salah A. Faroughi, Jelena Tešić   +2 more
doaj   +2 more sources

Optimal design of minimal footprint high frequency transformer [PDF]

Serbian Journal of Electrical Engineering, 2021
Transformer design procedure may vary essentially in respect of the transformer type and its operating frequency (ranging between 50/60 Hz and a few megahertz).
Banumathy Jeyapradha Ravichandran, Veeraraghavalu Rajini   +1 more
doaj   +1 more source

Cross-Modality High-Frequency Transformer for MR Image Super-Resolution [PDF]

ACM Multimedia, 2022
Improving the resolution of magnetic resonance (MR) image data is critical to computer-aided diagnosis and brain function analysis. Higher resolution helps to capture more detailed content, but typically induces to lower signal-to-noise ratio and longer ...
Chaowei Fang, Di Zhang, Liang Wang, Yulun Zhang, Lechao Cheng, Junwei Han   +5 more
semanticscholar   +1 more source

Practical Study of Mixed-Core High Frequency Power Transformer

Magnetism, 2022
The design of medium- to high-frequency power electronics transformer aims not only to minimize the power loss in the windings and the core, but its heat removal features should also allow optimal use of both core and copper.
Arun Kumar Paul
doaj   +1 more source

Characteristics Analysis and Technical Prospect of Low-Frequency Main Transformer for Offshore Wind Power

南方能源建设, 2023
[Introduction] Low-frequency alternating current power transmission technology has attracted wide attention. Although its theoretical research continues to go deeper, there are still many problems to be solved before its engineering implementation in ...
Xi YANG, Xiang TANG, Jutian LI, Ying LU, Ying CHEN   +4 more
doaj   +1 more source

Research on Magnetic-Thermal-Force Multi-Physical Field Coupling of a High-Frequency Transformer with Different Winding Arrangements

Electronics, 2023
In order to clarify the magnetic-thermal-force changing rule of high-frequency transformers under different winding arrangements, this paper tests the magnetization and loss characteristics of nanocrystalline materials at different temperatures, and ...
Bofan Li, Pengning Zhang, Pengyang Li, Ze Liu, Wei Li, Jian Zhang   +5 more
semanticscholar   +1 more source

Analysis of the Dual Active Bridge-Based DC-DC Converter Topologies, High-Frequency Transformer, and Control Techniques

Energies, 2022
A power conversion system needs high efficiency for modern-day applications. A DC–DC isolated bidirectional dual active bridge-based converter promises high efficiency and reliability.
Haris Ataullah, Taosif Iqbal, I. Khalil, U. Ali, Vojtěch Blažek, L. Prokop, N. Ullah   +6 more
semanticscholar   +1 more source

Effects of power transformer high-frequency equivalent circuit parameters non-uniformity on fault diagnosis using SFRA test

Ain Shams Engineering Journal, 2022
The electric power transformer is an essential component of an electrical power system because it regulates the voltage level to provide the best possible system operation.
Khalid H. Ibrahim, Nourhan R. Korany, Saber M. Saleh   +2 more
doaj   +1 more source