Characterizations of Partial Discharge in Modern Power Electronics
Partial discharge (PD) is a phenomenon often occurring in insulation system defects
(cavities), which can significantly affect lifetime and reliability of power electronics …
(cavities), which can significantly affect lifetime and reliability of power electronics …
Multiphysics digital model of the high frequency transformer for power electronics application considering electro-thermal interactions
The high frequency transformer (HFT) applied in the power electronics operate under the
combined stresses of high-frequency pulsewidth modulation (PWM) voltage and high …
combined stresses of high-frequency pulsewidth modulation (PWM) voltage and high …
A Transformer Design with PCB Litz Wire Concept for Solid State Transformer
Litz wire is known for its ability to minimize winding losses in high-frequency applications.
However, its implementation in PCB winding poses significant challenges. This paper …
However, its implementation in PCB winding poses significant challenges. This paper …
Design and Optimization with Litz Wire Version of PCB in Solid-State Transformer
The PCB winding-based transformer is renowned for its low profile, easy manufacturability,
and cost-effectiveness. However, it encounters challenges in high-power applications due to …
and cost-effectiveness. However, it encounters challenges in high-power applications due to …
Hygrothermal aging mechanism of epoxy composites used for medium-frequency transformers
The integration of medium-frequency transformer design and the harsh service environment
raise higher demands for the medium-frequency insulation performance of epoxy …
raise higher demands for the medium-frequency insulation performance of epoxy …
Last Developments and New Technologies in Solid-State Transformer
The solid-state transformer (SST) technology has been greatly involved in recent decades
due to new semiconduc-tor technology, extensive efforts to improve magnetic designs, and …
due to new semiconduc-tor technology, extensive efforts to improve magnetic designs, and …
Multilevel Boundary-Coupled Method for the Efficient Thermal Prediction of High-Frequency Transformers (HFTs) With Cylindrical Windings
Efficient and accurate thermal prediction is important for the optimal design of HFTs. The
configuration of HFTs is typically non-rotationally symmetrical. A three-dimensional (3D) …
configuration of HFTs is typically non-rotationally symmetrical. A three-dimensional (3D) …
Fast Analytical Loss Model for Litz Wire in Transformers With Arbitrary Winding Arrangements
Q Meng, J Biela - IEEE Transactions on Power Electronics, 2024 - ieeexplore.ieee.org
The commonly used 1D field loss models fail to predict eddy current losses of litz wire in
transformers with medium/high voltage, sectioned windings, multi-windings, etc. where the …
transformers with medium/high voltage, sectioned windings, multi-windings, etc. where the …
A hybrid solid state transformer (HSST) based on a two stage isolated solid state transformer (SST): Control and modulation
This paper presents the modulation and control for a two stage Solid State Transformer
(SST) for use in Hybrid Solid State Transformer (HSST). HSSTs comprise of a traditional line …
(SST) for use in Hybrid Solid State Transformer (HSST). HSSTs comprise of a traditional line …
A Novel Hybrid Core Structure for 100kW Medium Frequency Transformers
Nanocrystalline has been a promising magnetic material for high power medium frequency
transformers (MFT). However, the high conductivity and the laminated core structure make …
transformers (MFT). However, the high conductivity and the laminated core structure make …