TAILIEUCHUNG - General overview of control problems in wind power plants

Wind power plants can be realized with different generator types using different control principles. The choice of the generator regardless of control method, potentially destabilizes the grid, and can even lead to grid collapse. For independent grid (. on islands) this risk is especially great. The report aimed at giving the reader a general overview of the control methods, and the developers a better understanding of each generator type to get the right choice for their wind power project. | Journal of Computer Science and Cybernetics, , (2014), 313–334 DOI: REVIEW PAPER GENERAL OVERVIEW OF CONTROL PROBLEMS IN WIND POWER PLANTS NGUYEN PHUNG QUANG Institute for Control Engineering and Automation, Hanoi University of Science and Technology; Abstract. Wind power plants can be realized with different generator types using different control principles. The choice of the generator regardless of control method, potentially destabilizes the grid, and can even lead to grid collapse. For independent grid (. on islands) this risk is especially great. The report aimed at giving the reader a general overview of the control methods, and the developers a better understanding of each generator type to get the right choice for their wind power project. Keywords. Wind power plant, DFIG, PMG, front-end converter, generator-side converter, grid voltage oriented control, linear control, exact linearization, flatness-based control Abbreviations DFIG DPC DTC ESS FC GC GVOC Doubly-fed Induction Generator Direct Power Control Direct Torque Control Energy Storage System Frontend Converter Generator-side Converter Grid Voltage Oriented Control 1. IG LLDG MPPT PMG SCADA WPP WT Induction Generator Low-Load Diesel Generator Maximum Power Point Tracking Permanentmagnet Excited Generator Supervisory Control and Data Acquisition Wind Power Plant Wind Turbine INTRODUCTION Currently the exploitation of wind energy receives increasing attention from the society in Vietnam. Many projects have been carried out, in parallel with both (more or less) successful and not yet successful results. The weaknesses that make exploitation of such systems more difficult are caused by insufficient understanding of the operating principles, especially the principle of control. Even the projects with (more or less) success also contain potential long-term risks to the national grid. On the one hand the paper presents an overview of .

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• generator side converter
• Grid voltage oriented control
• Linear control
• Exact linearization
• Flatness based control
• Prototype of a small (solar wind) hybrid power plant
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• Solar Power Plant
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