A virtual impedance enhancement based transformer-less active EMI filter for conducted EMI suppression in power converters

Z Zhang, AM Bazzi - IEEE Transactions on Power Electronics, 2022 - ieeexplore.ieee.org
Due to the successive switching actions in a power electronic system, considerable
conducted electromagnetic interference (EMI) is generated. This has been a major concern …

Parameter-variation-tolerant robust current sensorless control of a single-phase boost PFC

A Chandwani, S Dey, A Mallik - IEEE Journal of Emerging and …, 2021 - ieeexplore.ieee.org
With the objective to eliminate the input current sensor in a totem-pole boost power factor
corrector (PFC) for its low-cost design, a novel discretized sampling-based robust control …

A Calculation Method of IGBT Insulation Voltages Based on Submodule Stray Capacitors in MMC

T Sun, X Pei, J Cai, F Wu, Y Zhang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In practical modular multilevel converter (MMC) engineering, the dc voltage can be as high
as tens to hundreds of kV, while the insulated gate bipolar transistors (IGBTs) isolation …

Common-mode EMI noise reduction with improved balance technique for DC-AC converters

Z Qing, P Guo, Q Xu, J Hu, P Chen… - … on Power Electronics, 2024 - ieeexplore.ieee.org
Wide-bandgap semiconductor devices are widely used in power electronic systems for their
high switching speed and frequency characteristics, which enhance power density and …

Integrated CM inductor for both DC and AC noise attenuation in DC-fed motor drive systems

A Wang, F Zheng, T Gao, Z Wu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Using passive electromagnetic interference (EMI) filter to suppress the common mode (CM)
noises on the dc and ac side of motor drive systems is a common filtering method. Shrinking …

A comparative analysis of power pulsating buffer architectures for mitigating high‐frequency and low‐frequency ripple in PV microinverter applications

W Dutta, C Reece, A Mallik - IET Power Electronics, 2024 - Wiley Online Library
This study provides a comparative analysis of feasible architectures of Power Pulsating
Buffer (PPB) as an actively controlled energy storage solution alternative to the electrolytic …

Comparative study of conducted common-mode EMI in WBG-enabled DC-fed three-phase current-source inverter

H Dai, RA Torres, TM Jahns… - IEEE Journal of Emerging …, 2022 - ieeexplore.ieee.org
In pulsewidth-modulated (PWM) inverters, common-mode (CM) voltage and associated
conducted CM electromagnetic interference (EMI) can cause motor bearing failures, ground …

A Variable Switching Frequency-based Triple-Phase-Shifted Loss Optimized Modulation Strategy for DAB based DC-AC Microinverter

S Dey, A Mallik, T Warren - … of Emerging and Selected Topics in …, 2023 - ieeexplore.ieee.org
In this article, a switching network loss optimized variable frequency-oriented pulsewidth
modulation (PWM) control strategy for a single-stage single-phase dc–ac inverter is reported …

Design of a 2.5 kW four-level interleaved flying capacitor multilevel totem-pole PFC converter with ac-side passive volume optimization

N Ishraq, A Mallik - IEEE Open Journal of Power Electronics, 2024 - ieeexplore.ieee.org
In this article, a high-efficiency and high-density 2.5 kW four-level interleaved flying capacitor
multilevel (FCML) totem-pole bridgeless power-factor-correction (PFC) rectifier with 200 V …

A Novel Design Method for Hybrid Common-Mode EMI Filters Based on Attenuation Adjustability

Q Chen, P Zhou, X Pei, Y Yu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The hybrid common-mode (CM) electromagnetic interference (EMI) filter (HEF) consists of
active EMI filter (AEF) and passive EMI filter (PEF). The PEF has higher attenuation at high …