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Overview of Control and Grid Synchronization for Distributed Power Generation Systems

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TLDR
An overview of the structures for the DPGS based on fuel cell, photovoltaic, and wind turbines is given and the possibility of compensation for low-order harmonics is discussed.
Abstract
Renewable energy sources like wind, sun, and hydro are seen as a reliable alternative to the traditional energy sources such as oil, natural gas, or coal. Distributed power generation systems (DPGSs) based on renewable energy sources experience a large development worldwide, with Germany, Denmark, Japan, and USA as leaders in the development in this field. Due to the increasing number of DPGSs connected to the utility network, new and stricter standards in respect to power quality, safe running, and islanding protection are issued. As a consequence, the control of distributed generation systems should be improved to meet the requirements for grid interconnection. This paper gives an overview of the structures for the DPGS based on fuel cell, photovoltaic, and wind turbines. In addition, control structures of the grid-side converter are presented, and the possibility of compensation for low-order harmonics is also discussed. Moreover, control strategies when running on grid faults are treated. This paper ends up with an overview of synchronization methods and a discussion about their importance in the control

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Citations
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Journal ArticleDOI

Resonance Issues and Damping Techniques for Grid-Connected Inverters With Long Transmission Cable

TL;DR: In this article, a cascaded notch-filter-based active damping method was proposed to overcome the resonances caused by the submarine transmission cable of the grid-connected generation system, and the proposed controller employed a proportional-resonant component to reduce the steady-state error of the output current.
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DFIG-Based Power Generation System With UPS Function for Variable-Speed Applications

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Vector Control of Single-Phase Voltage-Source Converters Based on Fictive-Axis Emulation

TL;DR: In this paper, the authors proposed an alternative way for the current regulation of single-phase voltage-source dc-ac converters in direct-quadrature (dq) synchronous reference frames.
Journal ArticleDOI

Wavelet-Based Islanding Detection in Grid-Connected PV Systems

TL;DR: Simulation and experimental results show the performance of the proposed detection algorithm based on monitoring the DPGS output power considering the influence of the pulsewidth modulation, the output LCL filter, and the employed current controller in comparison with existing methods.
Journal ArticleDOI

Grid Voltage Synchronization for Distributed Generation Systems Under Grid Fault Conditions

TL;DR: In this article, the synchronization capability of three advanced synchronization systems: the decoupled double synchronous reference frame phase-locked loop (PLL), the dual second order generalized integrator PLL, and the three-phase enhanced PLL are analyzed.
References
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Book

Fundamentals of Power Electronics

TL;DR: Converters in Equilibrium, Steady-State Equivalent Circuit Modeling, Losses, and Efficiency, and Power and Harmonics in Nonsinusoidal Systems.
BookDOI

Wind Power in Power Systems

Thomas Ackermann
- 01 Jan 2005 - 
TL;DR: In this article, the authors focus on the generation of electricity from clean and renewable sources, and show that wind energy has become the world's fastest growing energy source, and that renewable energy is the most promising energy source.
Journal ArticleDOI

Power electronics as efficient interface in dispersed power generation systems

TL;DR: In this article, power electronics, the technology of efficiently processing electric power, play an essential part in the integration of the dispersed generation units for good efficiency and high performance of the power systems.
Journal Article

Power Electronics as Efficient Interface in Dispersed Power Generation Systems

TL;DR: In this article, power electronics, the technology of efficiently processing electric power, play an essential part in the integration of the dispersed generation units for good efficiency and high performance of the power systems.
Book

Understanding Power Quality Problems: Voltage Sags and Interruptions

Math Bollen
TL;DR: This is the first book to offer in-depth analysis of voltage sags and interruptions and to show how to apply mathematical techniques for practical solutions to these disturbances.
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