Voltage and power balance control for a cascaded H-bridge converter-based solid-state transformer

T Zhao, G Wang, S Bhattacharya… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
The solid-state transformer (SST) is an interface device between ac distribution grids and dc
distribution systems. The SST consists of a cascaded multilevel ac/dc rectifier stage, a dual …

Individual voltage balancing strategy for PWM cascaded H-bridge converter-based STATCOM

JA Barrena, L Marroyo, MÁR Vidal… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
This paper presents a new control method for cascaded connected H-bridge converter-
based static compensators. These converters have classically been commutated at …

A modular strategy for control and voltage balancing of cascaded H-bridge rectifiers

H Iman-Eini, JL Schanen, S Farhangi… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
In this paper, a new strategy for voltage balancing of distinct dc buses in cascaded H-bridge
rectifiers is presented. This method ensures that the dc bus capacitor voltages converge to …

A novel DC capacitor voltage balance control method for cascade multilevel STATCOM

Z Liu, B Liu, S Duan, Y Kang - IEEE Transactions on Power …, 2010 - ieeexplore.ieee.org
This paper presents a novel dc capacitor voltage balance control method for cascade
multilevel static synchronous compensator (STATCOM) and a general analytical method for …

3-D space modulation with voltage balancing capability for a cascaded seven-level converter in a solid-state transformer

X She, AQ Huang, G Wang - IEEE Transactions on Power …, 2011 - ieeexplore.ieee.org
The solid-state transformer (SST) is an alternative for existing power transformer due to its
advantage in low volume, bidirectional power flow, power factor control, and fault …

A voltage balancing strategy with extended operating region for cascaded H-bridge converters

M Moosavi, G Farivar, H Iman-Eini… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
In this paper, a generalized switching technique for cascaded H-bridge (CHB) converters is
proposed. To take advantage of both low-and high-frequency modulation techniques, a …

Small-signal model-based control strategy for balancing individual DC capacitor voltages in cascade multilevel inverter-based STATCOM

Y Liu, AQ Huang, W Song… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
This paper presents a new feedback control strategy for balancing individual DC capacitor
voltages in a three-phase cascade multilevel inverter-based static synchronous …

A novel control method for transformerless H-bridge cascaded STATCOM with star configuration

R Xu, Y Yu, R Yang, G Wang, D Xu… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
This paper presents a transformerless static synchronous compensator (STATCOM) system
based on multilevel H-bridge converter with star configuration. This proposed control …

Coupling effect reduction of a voltage-balancing controller in single-phase cascaded multilevel converters

X She, AQ Huang, T Zhao… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
This paper presents a new voltage-balancing controller for cascaded multilevel converters,
especially for single-phase cascaded multilevel converters. It proposes a control algorithm …

Zero-sequence voltage injection for DC capacitor voltage balancing control of the star-connected cascaded H-bridge PWM converter under unbalanced grid

HC Chen, PH Wu, CT Lee, CW Wang… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
This paper presents a dc capacitor voltage balancing control method for the star-connected
cascaded H-bridge pulsewidth modulation converter in the static synchronous compensator …