Analysis and control of DC-capacitor-voltage-drift phenomenon of a passive front-end five-level converter

M Saeedifard, R Iravani, J Pou - IEEE Transactions on Industrial …, 2007 - ieeexplore.ieee.org
The phenomenon of dc-capacitor-voltage drift is the main technical drawback of a passive
front-end multilevel diode-clamped converter (DCC). This paper formulates and analyzes …

Flying-capacitor-based chopper circuit for dc capacitor voltage balancing in diode-clamped multilevel inverter

A Shukla, A Ghosh, A Joshi - IEEE Transactions on Industrial …, 2009 - ieeexplore.ieee.org
This paper proposes a flying-capacitor-based chopper circuit for dc capacitor voltage
equalization in diode-clamped multilevel inverters. Its important features are reduced …

Control schemes for DC capacitor voltages equalization in diode-clamped multilevel inverter-based DSTATCOM

A Shukla, A Ghosh, A Joshi - IEEE Transactions on Power …, 2008 - ieeexplore.ieee.org
This paper examines the application of a diode-clamped multilevel inverter (DCMLI)-based
distribution static compensator (DSTATCOM) connected to a three-phase, four-wire (3p4w) …

[图书][B] Improvement in the quality of delivery of electrical energy using power electronics systems

G Benysek - 2007 - books.google.com
Electrical power is ubiquitous and continuously increasing in demand, with the result that
power systems often operate close to their stability and thermal ratings. In order to tackle this …

Capacitor balancing circuit and control method for an electronic device such as a multilevel power inverter

A Permuy, L Solomon - US Patent 9,312,705, 2016 - Google Patents
A method of balancing Voltages in a group of capacitors of a power electronic device. Such
as a multilevel power inverter, includes making a balancing determination regarding …

Design, analysis and comparison of multilevel topologies for DSTATCOM applications

JA Barrena, S Aurtenechea, JM Canales… - … conference on power …, 2005 - ieeexplore.ieee.org
The aim of this paper is to present a design method of two different DSTATCOM multilevel
topologies which are suitable to be used connected to the distribution grid. These devices …

Mechanical arrangement of a multilevel power converter circuit

A Permuy, ND Benavides - US Patent 9,444,361, 2016 - Google Patents
A mechanical arrangement of a multilevel power converter circuit includes a power
converter having a first portion with a plurality of first control inputs, at least three direct …

Selective harmonics elimination PWM with self-balancing DC-link in photovoltaic 7-level inverter

K Imarazene, H Chekireb… - Turkish Journal of …, 2016 - journals.tubitak.gov.tr
In this paper, a new DC-link balancing method for a 7-level inverter fed by a photovoltaic
system is proposed. The proposed redundant state technique is associated with selective …

Analysis and comparative evaluation of a three-phase three-level unity power factor Y-rectifier

R Greul, U Drofenik, JW Kolar - The 25th International …, 2003 - ieeexplore.ieee.org
The basic principle of operation of a three-phase PWM rectifier system formed by star-
connection of three single-phase three-level PWM rectifier modules (three-level y-rectifier) is …

Feedback control of three-Level PWM rectifier: Application to the stabilization of DC Voltages of five-level NPC active power filter

T Abdelkrim, EM Berkouk, T Benslimane… - Archives of Control …, 2010 - yadda.icm.edu.pl
One of the most important drawbacks of the three phases five-level NPC (Neutral Point
Clamped) Active Power Filter (APF) is the neutral point balance. As the consequence, the …