Advances in modeling and reduction of conducted and radiated EMI in non-isolated power converters

J Yao, Y Lai, Z Ma, S Wang - 2021 IEEE Applied Power …, 2021 - ieeexplore.ieee.org
Electromagnetic interference (EMI) in non-isolated power converters is regulated by
extensive standards in many applications. EMI modeling and reduction research is key to …

Investigation of noise spectrum and radiated EMI in high switching frequency flyback converters

J Yao, Y Lai, Z Ma, S Wang - 2021 IEEE Applied Power …, 2021 - ieeexplore.ieee.org
This paper investigates noise spectrums and radiated EMI in high-frequency gallium nitride
(GaN) integrated circuit (IC)-based active clamp flyback (ACF) converters. Influential factors …

Phase-independent reactive power compensation based on four-wire power converter in the presence of angular asymmetry between voltage vectors

D Zieliński, B Stefańczak, K Jędrys - Energies, 2022 - mdpi.com
The paper presents the reactive power compensation method that allows for reducing the
active power flow even in the presence of angular asymmetry between voltage vectors of the …

Hybrid Modulation Strategy with Voltage Balancing Control for Four-Level Neutral-Point Clamped Converters

N Xie, W Zhao, W Lin, Z Wang, Y Chen… - Chinese Journal of …, 2024 - ieeexplore.ieee.org
Capacitor voltage imbalance in four-level (4L) neutral-point clamped (NPC) converters is a
direct factor hindering their application. In particular, when they are applied in motor drives …

Fixtures design considerations for impedance measurement

Z Wang, Z Yuan, Z Ma, F Diao… - 2021 IEEE Applied …, 2021 - ieeexplore.ieee.org
The parasitic impedance in a current commutation loop (CCL) is a major factor for the
switching performance of power electronics especially the wide bandgap (WBG) devices …

Design of partial-discharge-free busbar for more-electric aircraft application with low pressure condition

Z Yuan, Y Wang, Z Wang, AI Emon… - 2021 IEEE Applied …, 2021 - ieeexplore.ieee.org
This paper proposes an insulation design and optimization methodology for laminated
busbars in more-electric aircraft (MEA) motor drive system. The design assumes that the …

A three-phase 450 kVA SiC-MOSFET based inverter with high efficiency and high power density by using 3L-TNPC

Z Yuan, AI Emon, Z Wang, H Peng… - 2021 IEEE Applied …, 2021 - ieeexplore.ieee.org
This paper presents a prototype of a 450 kVA inverter system by using 3-level T-type neutral-
point-clamped converter (3L-TNPC). The prototype features high-power density and high …

A framework for high density converter electrical-thermal-mechanical co-design and co-optimization for mea application

Z Yuan, AI Emon, F Luo - 2021 IEEE Energy Conversion …, 2021 - ieeexplore.ieee.org
More electric aircraft (MEA) is getting popular as it offers higher efficiency, and high-power
density compared to conventional aircrafts. Design of a power electronics converter for such …

Investigation on conducted EMI for single and parallel connected inverters

AI Emon, H Peng, C Kushan, F Luo - 2021 IEEE 12th …, 2021 - ieeexplore.ieee.org
Owing to increased penetration of sustainable energy sources, multiple converters are run in
parallel to improve the power handling capacity in distributed generation systems …

A gate-driver architecture with high common-mode noise immunity under extremely high dv/dt

Z Wang, Z Yuan, Y Zhao - 2021 IEEE Applied Power …, 2021 - ieeexplore.ieee.org
Wide bandgap (WBG) devices usually have much faster switching speed than that of the
traditional silicon devices, which, however, may pose challenges to the design of the power …