Modulation Strategy and Controller for Grid-Tied Trinary Hybrid Multilevel Inverter

Vivert, Miguel; Patiño, Diego; Díez, Rafael

doi:10.1109/jestpe.2019.2942325

Cited by 9 publications

(12 citation statements)

References 28 publications

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“…where v ek = 2 k−1 v e [24,25], having a maximum voltage level of (2 N − 1)v e producing 2 N +1 − 1 levels, and Trinary Hybrid Multilevel Inverter (THMI), where v ek = 3 k−1 v e with a v smax = 1 2 (3 N − 1)v e and 3 N levels [26][27][28][29]. It can be inferred that one advantage of having different input voltages on the input sources is to produce more levels per FB [23].…”

Section: Cascaded Full Bridge Multilevel Convertermentioning

confidence: 99%

“…THMI is the topology that produces the most levels, l, per number of FBs, N, as [29,30] demonstrates. References [26,27,29] explain in more detail the principle of THMI. Knowing that each FB can generate 3 levels, Fig.…”

Section: Cascaded Full Bridge Multilevel Convertermentioning

confidence: 99%

“…There exist many modulation strategies for Multicellular Converters [14,27,31,32], especially for Multilevel Inverters. This section explains the most relevant strategies and the ones used in this research.…”

Section: Modulation Strategies For Mccsmentioning

confidence: 99%

“…All these modulation strategies are suitable for symmetric MCCs and are not adequate for asymmetric inverters such as THMI. References [26,27,36] propose modulation strategies for asymmetric inverter topologies.…”

Section: High-frequency Modulation Strategiesmentioning

confidence: 99%

“…In MCCs there are many objectives to achieve, as balancing the cell-variable (CV), regulating a global variable (GV), having fault tolerance ability, minimizing or equalizing the step voltage size in asymmetric inverters, suitable start-up, etc. In some cases, these objectives are achieved with a right modulation strategy such as happen in [26,27], where generating a piece-wise function for each switching device, the equalized step size is achieved in a THMI. In other cases, as in a Flying-Capacitor Multilevel Converter, adding some extra circuits in the hardware [47] balances the cell-variables and also produces a soft start-up.…”

Section: Control Techniques For Multilevel Convertersmentioning

confidence: 99%

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Estrategias descentralizadas y adaptativas para la eliminación selectiva de armónicos en el control de convertidores multinivel

Pino¹

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Este trabajo consta de dos secciones relevantes. La primera sección propone un control descentralizado para los convertidores multi-nivel. Para el diseño del mismo se plantea un modelo generalizado de los convertidores multi-celulares, basándose en los modelos de los convertidores de capacitores flotantes, convertidor multi-nivel de puentes H en cascada y convertidor de multi-phase Buck. Con ese modelo generalizado se plantea el control que consta de 3 partes: Un sistema de derivación, un control de balance de las celdas de los convertidores y un regulador de la variable de salida. El trabajo presenta resultados de simulación y experimentación con los convertidores de capacitores flotantes y de puentes H en cascada, perturbando el voltaje de entrada, insertando una celda y perturbando la resistencia de carga, obteniéndose resultados favorables y en concordancia entre la teoría, la simulación y la experimentación. La segunda parte de la tesis consiste en un controlador para un inversor multi-nivel simétrico de puentes H en cascada de 9 niveles con la modulación de Eliminación Selectiva de Armónicos. Este controlador regula la componente fundamental y elimina las armónicas 3,5 y 7 cuando existen perturbaciones en las fuentes de entrada o cambios en la resistencia de carga. Este controlador es validado tanto en simulación como en experimentación con dos tests, insertando una carga de 200 W y cambiando una fuente de entrada. obteniéndose resultados favorables y en concordancia entre simulación y experimentación. Finalmente, conclusiones y trabajos futuros son detallados.

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Section: Cascaded Full Bridge Multilevel Convertermentioning

confidence: 99%

Section: Cascaded Full Bridge Multilevel Convertermentioning

confidence: 99%

Section: Modulation Strategies For Mccsmentioning

confidence: 99%

Section: High-frequency Modulation Strategiesmentioning

confidence: 99%

Section: Control Techniques For Multilevel Convertersmentioning

confidence: 99%

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Estrategias descentralizadas y adaptativas para la eliminación selectiva de armónicos en el control de convertidores multinivel

Pino¹

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Bibliography analysis of Multilevel Inverters (2021-2022)

Janiga,

Tummala,

Al-Kharsan

et al. 2023

E3S Web Conf.

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Cascaded Multi-Level Inverter with APOD Based PV System for Induction Motor using DTFC Control

Murugesan

Sendhilkumar

2020

IOP Conf. Ser.: Mater. Sci. Eng.

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In this paper cascaded multi-level inverter based APOD control is designed to achieve harmonic reduction based on induction motor (IM) application which is fed by switched inductor quasi-Z source inverter (SL-qZSI) is proposed. The control method of proposed induction motor is controlled by direct torque and flux control (DTFC). The proposed converter qZSI is achieving the DC link voltage with improvement and to maintain the constant power supply. The proposed control technique for induction motor directs to reliability improvement and the capability of soft starting. The multi-level inverter with cascaded system is using with APOD control to reduce the total harmonic distortion in the supply voltage. The DTFC achieves the reduced settling time and stator inrush current reductions are achieved. The results and proposed system is analyzed and verified using MATLAB/Simulink environment.

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Modulation Strategy and Controller for Grid-Tied Trinary Hybrid Multilevel Inverter

Cited by 9 publications

References 28 publications

Estrategias descentralizadas y adaptativas para la eliminación selectiva de armónicos en el control de convertidores multinivel

Estrategias descentralizadas y adaptativas para la eliminación selectiva de armónicos en el control de convertidores multinivel

Bibliography analysis of Multilevel Inverters (2021-2022)

Cascaded Multi-Level Inverter with APOD Based PV System for Induction Motor using DTFC Control

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