Ultra-high-bandwidth power amplifiers: A technology overview and future prospects

J Böhler, J Huber, J Wurz, M Stransky, N Uvaidov… - IEEE …, 2022 - ieeexplore.ieee.org
Testing of power electronic converters can advantageously be carried out in power-
hardware-in-the-loop (P-HIL) environments that emulate the behavior of power grids, electric …

Three levels are not enough: Scaling laws for multilevel converters in AC/DC applications

JA Anderson, G Zulauf, P Papamanolis… - … on Power Electronics, 2020 - ieeexplore.ieee.org
Single-phase inverters and rectifiers in 230 Vrms applications, with a dc-side voltage of 400
V, achieve ultrahigh efficiency with a simple two-level topology. These single-phase designs …

The class D audio power amplifier: A review

S Mei, Y Hu, H Xu, H Wen - Electronics, 2022 - mdpi.com
Class D power amplifiers, one of the most critical devices for application in sound systems,
face severe challenges due to the increasing requirement of smartphones, digital television …

New figure-of-merit combining semiconductor and multi-level converter properties

JA Anderson, G Zulauf, JW Kolar… - IEEE Open Journal of …, 2020 - ieeexplore.ieee.org
Figures-of-Merit (FOMs) are widely-used to compare power semiconductor materials and
devices and to motivate research and development of new technology nodes. These …

Optimal synergetic operation and experimental evaluation of an ultra-compact gan-based three-phase 10 kw ev charger

Y Li, JA Anderson, M Haider, J Schäfer… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Fast charging of electric vehicles (EVs) requires isolated AC/DC converters with a wide
output voltage range of 200V to 1000V. Combining a three-level Vienna Rectifier (VR) with …

100 kHz large-signal bandwidth GAN-based 10 kVA class-d power amplifier with 4.8 Mhz switching frequency

PS Niklaus, JW Kolar, D Bortis - IEEE Transactions on Power …, 2022 - ieeexplore.ieee.org
Power amplifiers (PAs) are widely used, for example, to emulate the behavior of the power
grid or electric machines under critical operating conditions, to measure the impedance of …

Beyond 50 MHz bandwidth extension of commercial DC-current measurement sensors with ultra-compact PCB-integrated pickup coils

PS Niklaus, D Bortis, JW Kolar - IEEE Transactions on Industry …, 2022 - ieeexplore.ieee.org
The control of very high switching frequency power electronic converter systems featuring
latest generation wide bandgap devices requires current measurements with a very high …

High-bandwidth high-cmrr current measurement for a 4.8 mhz multi-level gan inverter ac power source

PS Niklaus, D Bortis, JW Kolar - 2021 IEEE Applied Power …, 2021 - ieeexplore.ieee.org
The control of very high switching frequency power electronic converter systems featuring
latest generation wide bandgap (WBG) devices requires current measurements with a very …

Low-Carrier-Ratio Model Predictive Control for 100kHz Large-Signal Multiphase Converters with Low THD

C Tang, Q Xu, P Guo, J Hu, J Zhang… - … on Power Electronics, 2023 - ieeexplore.ieee.org
High switching frequency grid-connected converters are widely used in renewable energy
generation, which is prone to cause serious broadband oscillation. The broadband …

Design of Ultra-Local Model Control Based on Interval Type-2 Fuzzy Logic for Nine-Packed E-Cell

M Gheisarnejad, M Sharifzadeh… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
This article incorporates a novel ultralocal model (ULM) control based on single input
interval type-2 (SIT2) fuzzy logic control (FLC) to ensure the stable operation of a nine-level …