Review of radiated EMI modeling and mitigation techniques in power electronics systems

Z Ma, Y Lai, Y Yang, Q Huang… - 2023 IEEE Applied …, 2023 - ieeexplore.ieee.org
Radiated electromagnetic interference (EMI) is a very important research topic in power
electronics systems in recent years as the switching frequency of power electronics …

Transformer structure of bifilar primary winding with advanced common mode noise attenuation performance for isolated dc-dc converters

Q Huang, Y Yang, Z Ma, Y Lai… - 2023 IEEE Applied …, 2023 - ieeexplore.ieee.org
The transformer is one of the main common mode (CM) noise propagation paths in isolated
DC-DC converters. The impedances of the CM path of a transformer will transfer from …

A Wireless Charging and NFC Integration Technique Based on High-frequency Impedance Characterization of Wireless Charging Coils

Z Ma, Q Huang, Y Yang, S Wang - 2023 IEEE Applied Power …, 2023 - ieeexplore.ieee.org
The article first investigated and characterized the high-frequency impedance of the wireless
charging (WLC) coils. Formulas were then derived to quantify the high-frequency impedance …

Radiated EMI reduction with double shielding techniques in active-clamp flyback converters

Z Ma, J Yao, S Wang, H Sheng… - … Joint EMC/SI/PI and …, 2021 - ieeexplore.ieee.org
Electromagnetic interference (EMI) issue becomes a headache problem when the switching
frequency has been pushed higher and higher for the smaller size and higher power …

Modeling and Prediction of Low-frequency Near-field Radiation for a Power Converter based on the Operating Principle of a Monopole Antenna

Y Yang, Y Lai, S Wang, Z Luo - IEEE Transactions on Power …, 2024 - ieeexplore.ieee.org
This article develops a model to predict the measured near-field radiation via a monopole
antenna based on the test setups specified by the EMI standards such as CISPR 25, DO …

Development of simulation prediction techniques for low frequency emissions

Y Lai, Y Yang, Z Ma, Q Huang… - 2023 IEEE Applied …, 2023 - ieeexplore.ieee.org
Electromagnetic interference (EMI) has become an increasingly important issue in high-
speed and high-power density power electronics applications. At low frequencies below 30 …

Modeling and reduction of radiated EMI due to ground impedance in a high-density active-clamp flyback power adapter

Z Ma, S Wang, H Sheng… - 2022 IEEE Applied …, 2022 - ieeexplore.ieee.org
The article firstly reviewed the modeling and prediction techniques for radiated
electromagnetic interference (EMI) in active-clamp Flyback (ACF) power adapters. Second …

Radiated EMI reduction by layout improvement in power converters in automotive applications

J Yao, S Wang, Z Luo - 2020 IEEE 9th International Power …, 2020 - ieeexplore.ieee.org
Power converter layout is a critical factor for the radiated EMI. Because the radiation
excitation is generated by the power converter and it is significantly influenced by the layout …

A novel low-frequency radiated emissions prediction technique for the inductor of a non-isolated power converter

Y Lai, Y Yang, S Wang, Z Luo - 2022 IEEE Energy Conversion …, 2022 - ieeexplore.ieee.org
This paper investigates the radiated emissions from a buck-boost converter with a metal
alloy inductor which is identified as the radiated emissions noise source in the 150 kHz to 30 …

A modeling technique for low-frequency near-field radiated EMI measurement based on the study of the mechanism of the monopole antenna

Y Yang, Y Lai, S Wang, Z Luo - 2022 IEEE Energy Conversion …, 2022 - ieeexplore.ieee.org
This article investigated the measurement of the low-frequency radiated electromagnetic
interference (EMI) in test setups of standards such as CISPR25 and DO-160. First, a …