Comparison of Neutral-Point-Clamped, Symmetrical, and Hybrid Asymmetrical Multilevel Inverters

Zambra, Diorge Alex Báo; Rech, Cassiano; Pinheiro, J.R.

doi:10.1109/tie.2010.2040561

Cited by 115 publications

(40 citation statements)

References 21 publications

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“…Çoklu taşıyıcı SDGM tasarımları, dikey çoklu taşıyıcı ve yatay çoklu taşıyıcı olarak sınıflandırılmaktadır [12], [13]. Bu çalışmada, dikey çoklu faz yer değiştirmeli (PD) darbe genişlik modülasyonu kullanılmıştır.…”

Section: 1unclassified

Design and analysis of a grid-tied single phase nine level asymmetrical inverter

Kabalcı¹,

Canbaz²

2017

Pamukkale J Eng Sci

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Section: 1unclassified

Design and analysis of a grid-tied single phase nine level asymmetrical inverter

Kabalcı¹,

Canbaz²

2017

Pamukkale J Eng Sci

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“…Therefore, switching loss can be reduced significantly, and converter efficiency can be increased [8]- [10].…”

Section: Introductionmentioning

confidence: 99%

Bi-Directional Multi-Level Converter for an Energy Storage System

Han¹,

Kim²,

Cha³

et al. 2014

Journal of Power Electronics

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This paper proposes a 3 kW single-phase bi-directional multi-level converter for energy storage applications. The proposed topology is based on the H-bridge structure with four switches connected to the DC-link. A simple phase opposition disposition PWM method that requires only one carrier signal is also suggested. The switching sequence to balance the capacitor voltage is considered. The topology can be extended to a nine-level converter or a three-phase system. The operating principle of the proposed converter is verified through a simulation and an experiment.

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“…Three basic topologies [4]- [6] of multilevel inverter are normally used: diode-clamped, flying-capacitor or cascaded Hbridge, as shown in Fig. 1.…”

Section: Introductionmentioning

confidence: 99%

Five-level bidirectional converter for renewable power generation system

Yan

Chen

Huang

2014

IECON 2014 - 40th Annual Conference of the IEEE Industrial Electronics Society

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A novel five-level DC/AC bidirectional converter is developed and applied for interfacing renewable energy into the grid. The converter has reduced switching losses, voltage stress, harmonic distortion and electromagnetic interference caused by switching operation of power devices. The bidirectional operation feature allows it to interface with parallel dc-dc PV optimizers that requires a start-up dc link voltage of 200-250Vdc. Two DC decoupled capacitors, a high-frequency three-level converter, a grid-frequency unfolding bridge and a filter compose the proposed converter. The high-frequency converter offers a three level positive voltage output, while the unfolding bridge is responsible for switching the flow direction every half grid cycle. With the proposed control strategy, the converter operates via two modes, i.e. the inverter and rectifier mode. In inverter mode, the output current of the converter generates a sinusoidal current in phase with the grid voltage, while in rectifier mode, grid voltage acts as the source and dc link supplies the PV optimizer with a threshold voltage to avoid false tripping of the optimizer. A hardware prototype is further developed to verify the performance of the topology and control strategy.

show abstract

Comparison of Neutral-Point-Clamped, Symmetrical, and Hybrid Asymmetrical Multilevel Inverters

Cited by 115 publications

References 21 publications

Design and analysis of a grid-tied single phase nine level asymmetrical inverter

Design and analysis of a grid-tied single phase nine level asymmetrical inverter

Bi-Directional Multi-Level Converter for an Energy Storage System

Five-level bidirectional converter for renewable power generation system

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