Three-Phase Two-Leg Inverter for Stand-Alone and Grid-Connected Renewable Energy Systems

Lin, Bor‐Ren; Chen, Jyun-Ji

doi:10.1109/tencon.2006.344163

Cited by 8 publications

(6 citation statements)

References 11 publications

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“…However, the system proposed in [43] reduces the insulation capacity of the back-to-back converter against the propagation of electrical disturbances between the DFIG rotor circuit and the grid. In [44], it is proposed the use the 2L2B topology, as GSC, connected to a DC/DC full-bridge converter by the DC link, to ensure greater stability and electrical insulation between the AC and DC sides. However, the structure presented in [44] would make the back-to-back converter more expensive and with more complex control due to the use of more magnetic semiconductors and capacitors.…”

Section: Rsc Gscmentioning

confidence: 99%

“…In [44], it is proposed the use the 2L2B topology, as GSC, connected to a DC/DC full-bridge converter by the DC link, to ensure greater stability and electrical insulation between the AC and DC sides. However, the structure presented in [44] would make the back-to-back converter more expensive and with more complex control due to the use of more magnetic semiconductors and capacitors. In [45] the 2L2B topology is employed as GSC, while the conventional 2L3B topology is used as RSC, such as proposed in this paper.…”

Section: Rsc Gscmentioning

confidence: 99%

“…The control of current, in the RSC control, is made through resonant compensators. The conventional 2L3B topology is employed to the RSC in order to guarantee a certain insulation to the electrical disturbances between the rotor circuit and the grid, unlike [43], while its implementation becomes less expensive and complex in relation to what is proposed in [44]. The GSC control performs two functions within the Type III WTG system, as well as regulating of the DC link by maintaining a unity power factor at its terminals.…”

Section: Rsc Gscmentioning

confidence: 99%

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Providing Ancillary Services with Wind Turbine Generators Based on DFIG with a Two-Branch Static Converter

et al. 2019

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This work aims to analyze and validate through mathematical modeling and experimental results, in a three-phase three-wire electrical system, the technical viability of a static power converter with a two-level topology with only two controlled branches (2L2B), operating as a grid-side converter (GSC) in a wind turbine generator based on a doubly fed induction generator (DFIG). With this reduced-switches topology, the GSC is able to regulate the DC-link voltage level from the generator back-to-back converter and provide ancillary services of harmonic filtering and reactive power compensation from linear/nonlinear loads connected to the point of common coupling. An 8-kVA experimental prototype was implemented in the laboratory to validate the proposal. The prototype control system was realized using the dSPACE DS1103 PPC Controller Board platform programmed via MATLAB/Simulink. The effectiveness of the proposed system is verified by comparing the results obtained with the 2L2B topology to the ones with the usual two-level three-branch topology.

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Section: Rsc Gscmentioning

confidence: 99%

Section: Rsc Gscmentioning

confidence: 99%

Section: Rsc Gscmentioning

confidence: 99%

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Providing Ancillary Services with Wind Turbine Generators Based on DFIG with a Two-Branch Static Converter

et al. 2019

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“…Fig. 3(b) shows a single-phase three-wire (1P3W) half-bridge VSI topology that generates stable sinusoidal voltages or achieves PQ compensation [50]. In [51], a new active filtering technique was proposed as the interface between single-phase VSI and the utility grid.…”

Section: A Power Circuit Structurementioning

confidence: 99%

Review of Multifunctional Inverter Topologies and Control Schemes Used in Distributed Generation Systems

Teke¹,

Latran²

2014

Journal of Power Electronics

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Recent developments in power electronics technology have spurred interest in the use of renewable energy sources as distributed generation (DG) generators. The key component in DG generators is a grid-connected inverter that serves as an effective interface between the renewable energy source and the utility grid. The multifunctional inverter (MFI) is special type of grid-connected inverter that has elicited much attention in recent years. MFIs not only generate power for DGs but also provide increased functionality through improved power quality and voltage and reactive power support; thus, the capability of the auxiliary service for the utility grid is improved. This paper presents a comprehensive review of the various MFI system configurations for single-phase (two-wire) and three-phase (three-or four-wire) systems and control strategies for the compensation of different power quality problems. The advances in practical applications and recent research on MFIs are presented through a review of nearly 200 papers.

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“…Renewable energy sources (such as wind turbines, photovoltaic arrays, biomass, and fuel cells) are increasingly preferred in distributed generation systems (DGSs) in order to reduce global warming gas emissions [1]. In recent years, since the grid connection of rural villages or remote islands has higher costs than the stand-alone operations, stand-alone DGSs applications for those cases are gaining more attention [1][2][3][4][5][6][7]. The inverter of the DGS can be considered as an uninterruptible power supply (UPS) for its local loads in stand-alone applications [1].…”

Section: Introductionmentioning

confidence: 99%

Model-reference sliding mode control of a three-phase four-leg voltage source inverter for stand-alone distributed generation systems

Özdemir¹,

Yazıcı²,

Erdem

2015

Turk J Elec Eng & Comp Sci

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This paper proposes a discrete-time model-reference sliding mode control of three-phase four-leg voltage source inverters for stand-alone distributed generation systems. Three-phase four-leg voltage source inverters (VSIs) are used in a broad area. A discrete-time model-reference sliding mode controller, having superior advantages such as insensitivity to external disturbances, system parameter variations, and modeling errors, is applied to control the output voltage of three-phase four-leg VSIs. As a new study, the discrete-time model-reference sliding mode control with a supplemented output feedback integral controller is proposed so that the controlled output voltages of the VSI tracks the input reference signal. The controller is designed using the augmented discrete-time error dynamics presented in this paper and is applied to control the output voltage control of a three-phase four-leg based uninterruptable power supply.It is shown that the output voltage of the VSI controlled by the proposed method is accurately regulated for various load conditions such as linear balanced/unbalanced, nonlinear balanced/unbalanced, and instantaneous load changes. The robustness of the proposed method against variations by 20%-50% in R, L, and C filter parameters and 5 different cases are showed.

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Three-Phase Two-Leg Inverter for Stand-Alone and Grid-Connected Renewable Energy Systems

Cited by 8 publications

References 11 publications

Providing Ancillary Services with Wind Turbine Generators Based on DFIG with a Two-Branch Static Converter

Providing Ancillary Services with Wind Turbine Generators Based on DFIG with a Two-Branch Static Converter

Review of Multifunctional Inverter Topologies and Control Schemes Used in Distributed Generation Systems

Model-reference sliding mode control of a three-phase four-leg voltage source inverter for stand-alone distributed generation systems

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