Comparative Study of the Three-Phase Grid-Connected Inverter Sharing Unbalanced Three-Phase and/or Single-Phase systems

Hintz, Andrew; Prasanna, Udupi R.; Rajashekara, Kaushik

doi:10.1109/tia.2016.2593680

Cited by 81 publications

(38 citation statements)

References 28 publications

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“…In [15], A comparative study of three-phase four-wire inverter connection to compensate for negative, positive, and zero sequence components of the current given to the grid has been proposed. The main function of the three-phase inverter is to give power to the utility grid and active power compensation to care unbalance and load neutral current.…”

Section: Renewable Energy Sourcesmentioning

confidence: 99%

State of the Ability in Research on Microgrid Hybrid Energy Systems

Akhtar¹,

Kinmani²,

Jamil³

2019

JESTR

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The power demand with interest in green power has focused researcher to develop the distributed power generation using wind energy, solar energy, etc. With the fast depleting fossil fuel reserves, energy security and environmental concerns there is a huge requirement of alternate sources of energy to fulfill the present energy demand. Distribution generating system can support the weak grids, maintaining grid power, managing balance power and enhancing the power quality. Any research work base depends on the literature survey and the studies carried out by several kinds of research and their support to research field encourages for more scope of research. The important advantages related to microgrids have led to huge efforts to grow their dispersion in the power systems. While microgrid is fast growing but there are still various challenges to efficiently control, design, and operate microgrids when linked to the main grid, and also when in islanded mode, where wide research actions are ongoing to handle these issues. This paper presents a review of issues concerning integration of renewable energy sources to microgrids and offers a description of research in areas related to economic feasibility of microgrids system, including dynamic analysis of microgrid hybrid system in grid-connected mode, application of power electronics, microgrid operation, and control.

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Section: Renewable Energy Sourcesmentioning

confidence: 99%

State of the Ability in Research on Microgrid Hybrid Energy Systems

Akhtar¹,

Kinmani²,

Jamil³

2019

JESTR

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“…Solar Photo-voltaic (PV) power generation systems have garnered significant attention recently spurred by the growing need to meet energy requirements with clean-energy resources [1]- [3]. A pulse-width modulated (PWM) power converter is invariably required to interface PV with the grid in case of a grid-tied system, or with the battery bank in case of a dual-mode or standalone PV charger system [4]- [6]. Maximum power point tracking (MPPT) control is an essential feature incorporated in these systems that enhances the efficacy of energy extraction.…”

Section: Introductionmentioning

confidence: 99%

Dynamic Modeling and Analysis of Buck Converter Based Solar PV Charge Controller for Improved MPPT Performance

Venkatramanan

John

2019

IEEE Trans. on Ind. Applicat.

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Maximum power point tracking (MPPT) control is a key functionality in solar photo-voltaic (PV) based power generation systems that enhances the efficacy of energy extraction. A pulse-width modulated (PWM) power converter connected to the PV is designed to perform this essential function. A variety of MPPT control schemes are available in literature, many of which are voltage based techniques wherein the PV bus voltage is controlled in closed loop to the required level that achieves MPP tracking. However, a suitable plant model of the PV fed converter system that facilitates the design of such a PV voltage control loop for MPPT purpose, is not fully covered in literature. In this paper, a small-signal model is developed for a buck converter based charger system fed by a PV source, which is a nonlinear active source. Based on this model, the relevant transferfunctions are analytically derived. The control to converter input voltage transfer-function vin/ d thus obtained, is useful in the systematic design of voltage controller bandwidth, that facilitates the selection of perturbation period of a typical perturb & observe (P&O) MPPT controller. Such an approach for control design is verified in this work on a PV system with energy storage, which is typically used in dual-mode or standalone PV applications. The P&O MPPT control is validated on a buck PV charge controller system employing a 36 V battery bank. Experiments conducted on a 1 kW hardware prototype verify the accuracy of the proposed analytical transfer-functions and the performance of the PV-charger system.

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“…They are considered as the most efficient ac power supply up to 1000 watts. They are having fewer design cost with simple design [13].…”

Section: Introductionmentioning

confidence: 99%

Development of a Control Scheme for Grid Connected Solar Inverter

2019

ijrte

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Now-a-days the renewable energy sources (RES) are going under development, research and implementation to serve the civilization. Solar energy is the most easily available RES. A solar grid connected scheme, consists of the photovoltaic (PV) module, voltage step up converter, and DC to AC converter is discussed in this work. The control technologies like (i) maximum power point tracking (MPPT), (ii) grid synchronization and (iii) sinusoidal current injection into the grid are considered in this work. The Incremental Conductance (IC) technique is used here to attain the MPPT of the PV arrangement. A Second Order Generalized Integrator (SOGI) based PLL is developed to collect the grid voltage phase angle for synchronizing with the inverter. A Proportional-Resonant (PR) based controller is developed for regulating the exchange of power with the single phase grid as well as to reduce harmonic distortions in injected current

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Comparative Study of the Three-Phase Grid-Connected Inverter Sharing Unbalanced Three-Phase and/or Single-Phase systems

Cited by 81 publications

References 28 publications

State of the Ability in Research on Microgrid Hybrid Energy Systems

State of the Ability in Research on Microgrid Hybrid Energy Systems

Dynamic Modeling and Analysis of Buck Converter Based Solar PV Charge Controller for Improved MPPT Performance

Development of a Control Scheme for Grid Connected Solar Inverter

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