Hybrid neutral point clamped converter: Review and comparison to traditional topologies

D Zakzewski, R Resalayyan… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In applications such as transportation electrification there are strict requirements regarding
efficiency, reliability, power density, and cost. Therefore, a diverse array of circuit topologies …

Dual-T-type seven-level boost active-neutral-point-clamped inverter

SS Lee, KB Lee - IEEE Transactions on Power Electronics, 2019 - ieeexplore.ieee.org
The conventional three-level active-neutral-point-clamped (ANPC) inverter requires high dc-
link voltage at least twice the peak of ac output. To reduce the dc-link voltage, a recent …

Novel active-neutral-point-clamped inverters with improved voltage-boosting capability

SS Lee, CS Lim, KB Lee - IEEE Transactions on Power …, 2019 - ieeexplore.ieee.org
Conventional active-neutral-point-clamped (ANPC) inverters exhibit low voltage gain that
inherently leads to a high dc-link voltage requirement. An improved ANPC inverter that is …

Improved switched-capacitor integrated multilevel inverter with a DC source string

SS Lee, KB Lee, IM Alsofyani, Y Bak… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The integration of switched-capacitor techniques into multilevel inverters (MLIs) with a dc
source string contributes to the boosting of voltage gain, renders it particularly attractive in …

Switched-capacitor-based multilevel inverter for grid-connected photovoltaic application

HK Jahan, M Abapour - IEEE Transactions on Power …, 2020 - ieeexplore.ieee.org
In order to approach a voltage of high magnitude in photovoltaic (PV) application, several
PV modules are connected in series to form a PV string, then the voltage of PV string is …

A reduced component count five-level inverter topology for high reliability electric drives

A Karthik, U Loganathan - IEEE Transactions on Power …, 2019 - ieeexplore.ieee.org
This paper presents a reduced component count five-level inverter topology based on the
stacked cell approach to multilevel inverters. The proposed topology utilizes the …

Five-level unity-gain active neutral-point-clamped inverters designed using half-bridges

SS Lee, YP Siwakoti, R Barzegarkhoo… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This paper proposes two novel 5-level active neutral-point-clamped (ANPC) inverters that
double the voltage gain of the conventional topology from half to unity. Each phase of the …

A multilevel inverter for instantaneous voltage balancing of single sourced stacked dc-link capacitors for an induction motor load

T Debnath, R Resalayyan, M Imthias… - … on Power Electronics, 2022 - ieeexplore.ieee.org
This article proposes a novel nine-level multilevel inverter topology with an instantaneous
voltage balancing scheme of stacked dc-link capacitors for an induction motor (IM) drive …

A 20 MHz low-profile DC–DC converter with magnetic-free characteristics

Y Guan, Y Wang, W Wang, D Xu - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This paper proposes a 20 MHz low-profile dc-dc converter with magnetic-free characteristics
based on aircore planar inductors. The switch and diode of the proposed converter operate …

Linear modulation range and torque ripple profile improvement of PPMIM drives

BP Reddy, S Keerthipati - IEEE Transactions on Power …, 2019 - ieeexplore.ieee.org
The pole-phase modulated induction motor (PPMIM) drives facilitate the extended range of
speed-torque characteristics, which is an essential requirement for traction and electric …