Results 31 to 40 of about 179,311 (308)

Delta-connected cascaded H-bridge multilevel photovoltaic converters [PDF]

open access: yesIECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society, 2015
Multilevel cascaded H-bridge converters are becoming popular for next generation large-scale photovoltaic power converters. However, the power generation levels in the three phases can be significantly unequal, especially in a large plant, owing to the non-uniform irradiance levels and/or ambient temperatures.
Yifan Yu 0001   +5 more
openaire   +1 more source

Power Balancing in Cascaded H-Bridge and Modular Multilevel Converters Under Unbalanced Operation: A Review

open access: yesIEEE Access, 2021
Multilevel Voltage-Source Converters (VSC) based on modular structures are envisioned as a prominent alternative for grid and industry applications. Foremost among these are the Cascaded H-Bridge (CHB) and the Modular Multilevel Converter (MMC).
Iosu Marzo   +4 more
semanticscholar   +1 more source

OPERATION AND CONTROL OF CASCADED H-BRIDGE MULTILEVEL INVERTER WITH PROPOSED SWITCHING ANGLE ARRANGEMENT TECHNIQUES [PDF]

open access: yesJournal of Engineering Science and Technology, 2017
Cascaded H-bridge multilevel inverter is one of the most promising inverter topologies for converting the DC output of renewable energy resources such as: photovoltaic power systems, fuel cells and solar thermal panel into AC power supply.
USMAN BASHIR TAYAB   +1 more
doaj  

Analysis of Maximum Load Unbalancing Limits of Cascaded H-Bridge Rectifier Under Unity Power Factor

open access: yesIEEE Access, 2019
In a cascaded H-bridge rectifier (CHBR), the dc capacitor voltages need to be controlled to balance by the voltage balance controller when the loads are unbalanced.
Zhixuan Gao   +5 more
doaj   +1 more source

Protection scheme for LVDC distribution network based on stepwise blocking of power electronic transformer

open access: yesIET Renewable Power Generation, 2023
Cascaded H‐bridge power electronic transformers (CHB‐PET) can efficiently connect AC/DC distribution networks, realizing power transmission and electric energy conversion.
Yongfan Guo   +3 more
doaj   +1 more source

Modulated Model Predictive Control for Multilevel Cascaded H-Bridge Converter-Based Static Synchronous Compensator

open access: yesIEEE transactions on industrial electronics (1982. Print), 2022
The model predictive control (MPC) methods have been widely applied due to the fast dynamic performance and multiple control targets. However, they show certain limits when applied to the multilevel converters, such as unfixed switching frequency, large ...
Qian Xiao   +6 more
semanticscholar   +1 more source

Grid-voltage Sensorless Control Scheme of Single-phase Cascaded H-bridge Rectifiers with Virtual Flux Estimation

open access: yes机车电传动, 2021
This paper focused on the single-phase cascade H-bridge rectifiers used in high-speed EMU power electronic transformers, which was susceptible to grid-side voltage sensor failure.
Yongxiang WANG, Wei JIANG, Chi MA
doaj  

Three-Phase Trinary Asymmetric Multilevel Inverter With Single DC Source and Open-Loop Control

open access: yesIEEE Open Journal of Industry Applications, 2021
A three-phase trinary-asymmetric cascaded H-bridge multilevel inverter topology with single dc source per phase is presented in this paper. Only one of the H-bridges (called Main bridge) is fed from a dc source and all others (called auxiliary bridges ...
Rajesh Vasu   +2 more
doaj   +1 more source

A Comparison of Nine Level Cascaded H-Bridge Multilevel Inverter with Five Level Cascaded H Bridge Multilevel Inverter

open access: yes, 2023
The multilevel inverter utilization has been increased since the last decade. These new types of inverters are suitable in various high voltage & high-power application due to their ability to synthesize waveforms with better harmonic spectrum and faithful output. This paper presents a comparison of nine-level cascaded H-bridge multilevel inverter with
openaire   +2 more sources

Modeling, Control and Experimental Investigation of a Cascaded Hybrid Modular Inverter for Grid Interface Application

open access: yesIEEE Access, 2018
Research on modeling of cascaded hybrid modular inverters has concentrated on conventional H-bridge topologies. In addition, research on hybrid H-bridge that gives a five-level output voltage is well documented, but a detailed analysis on how this model ...
Tom Wanjekeche
doaj   +1 more source

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