Three-Phase Embedded Modified-Z-Source Three-Level T-Type Inverters

Huynh, Anh-Tuan; Ho, Anh-Vu; Chun, Tae-Won

doi:10.1109/access.2020.3009720

Cited by 12 publications

(17 citation statements)

References 36 publications

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“…The simulations and experiments with DSP prototype voltage source inverter under transient loading and steady-state loading are shown to verify the applicability of the proposed controller. Noticeably, it is advisable to consider the development of three-phase multilevel inverters for increasing output power [ 31 , 32 , 33 , 34 ]. A three-phase three-level inverter is suggested to efficiently manage the upper and lower shoot-through states while it balances the neutral-point voltage with a simple logical circuit.…”

Section: Conclusion and Discussionmentioning

confidence: 99%

“…A three-phase three-level inverter is suggested to efficiently manage the upper and lower shoot-through states while it balances the neutral-point voltage with a simple logical circuit. The presented structure delivers a high step-up AC output which supports five levels of voltage [ 31 ]. There is a carrier-overlapping PWM introduced for neutral-point-clamped multilevel converter whose capacitive voltages of all DC link under ideal, as well as steady-state circumstances, allow natural balancing [ 32 ].…”

Section: Conclusion and Discussionmentioning

confidence: 99%

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Robust Optimal Control Design for Performance Enhancement of PWM Voltage Source Inverter

et al. 2022

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PWM (pulse-width modulation) voltage source inverters are used in a wide range of AC power systems where the output voltage must be controlled to follow a sinusoidal reference waveform. In order to achieve precision and fast-tracking control, restrictive sliding mode control (RSMC) provides a fast system state convergence time. However, the RSMC still suffers from the chattering problem, which leads to high harmonic distortion and slow response of the inverter output state. Furthermore, the load of the inverter may be severe load changing and the control parameters become difficult to adjust, worsening the adaptability to achieve the desired control of the inverter output. In this paper, a robust optimal control design comprised of an enhanced restrictive sliding mode control (ERSMC) and density particle swarm optimization (DPSO) algorithm is proposed, and then applied to PWM voltage source inverters. The ERSMC not only has finite time convergence but also provides chatter elimination. The DPSO is highly adaptable for acquiring the control parameters of the ERSMC and finding the best solution in the global domain. The proposed controller is realized for the actual PWM voltage source inverter controlled by a TI DSP-based development platform, so that the inverter output voltage has fast dynamic response and satisfactory steady-state behavior despite high load changing and non-linear disturbances.

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Section: Conclusion and Discussionmentioning

confidence: 99%

Section: Conclusion and Discussionmentioning

confidence: 99%

Robust Optimal Control Design for Performance Enhancement of PWM Voltage Source Inverter

et al. 2022

View full text Add to dashboard Cite

show abstract

“…A novel modulation technique is proposed for effectively controlling the upper and lower shoot-through states with a simple logic circuit and balancing a neutral-point voltage. The validity of the proposed topologies and the modulation technique is demonstrated through PSIM simulation and experimental results [39]. [41].…”

Section: Introductionmentioning

confidence: 97%

Review of impedance source power converter for electrical applications

Saravanan

Venkatachalam

Borelessa

et al. 2021

IJAAS

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<p>Power electronic converters have been actively researched and developed over the past decades. There is a growing need for new solutions and topography to increase the reliability and efficiency of alternatives with lower cost, size and weight. Resistor source converter is one of the most important power electronic converters that can be used for AC-DC, AC-AC, DC-DC and DC-DC converters which can be used for various applications such as photovoltaic systems, wind power systems, electricity. Vehicles and fuel cell applications. This article provides a comprehensive overview of Z-source converters and their implementation with new configurations with advanced features, emerging control strategies and applications.</p>

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“…Trying to form another topology with continuous input current characteristic, [8] introduces a different 2PIS-TLI by combining two quasi Zsource inverters. In [9]- [10], some other 2PIS-TLI have been presented, which can effectively decrease the stress voltage of the Zsource capacitor and prevent starting inrush current, especially in [9], thanks to applying level shifted and SVM method, the neutral-point voltage will also balance. As seen in Fig.…”

Section: Introductionmentioning

confidence: 99%

A New Non-Isolated Active Quasi Z-Source Multilevel Inverter With High Gain Boost

Naderi

Rastegar

2023

IEEE Access

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This paper proposes a three-level diode clamped active impedance source (AIS-TLI) inverter based on the quasi Z-source inverter (qZSI). Apart from having minimal components and the inherent benefits of three-level qZSIs, such as single-stage buck-boost capability, shoot-through (ST) immunity, and continuity of input current, the proposed topology has a higher boost capability and excellent efficiency. In addition, the inverter bridge has a higher modulation index, which improves the quality of the output waveform and necessitates less inductance. The proposed topology provides common ground between input and output terminals, which effectively eliminates leakage current in PV-powered single-phase systems. This paper describes the different operating modes principle, dynamic analysis, steady-state analysis, and parameter selection instructions for the proposed in-depth. Furthermore, the suggested inverter's benefits and limitations are compared to the traditional (q)ZSIs and some other AIS-TLIs. Finally, modeling and experimental results are used to confirm the effectiveness of the suggested topology.

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Three-Phase Embedded Modified-Z-Source Three-Level T-Type Inverters

Cited by 12 publications

References 36 publications

Robust Optimal Control Design for Performance Enhancement of PWM Voltage Source Inverter

Robust Optimal Control Design for Performance Enhancement of PWM Voltage Source Inverter

Review of impedance source power converter for electrical applications

A New Non-Isolated Active Quasi Z-Source Multilevel Inverter With High Gain Boost

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