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Wind Energy: Doubly-fed Induction Generator Presentation

This report presents a brief introduction to wind energy and technologies available for horizontal wind turbines. A detailed taxonomy for horizontal axis wind turbines is presented covering parts of the turbine, control systems, applications among others. A detailed landscape analysis of patent and non-patent literature is done with a focus on Doubly-fed Induction Generators (DFIG) used in the horizontal axis wind turbines for efficient power generation. The product information of major players in the market is also captured for Doubly-fed Induction Generators. The final section of the report covers the existing and future market predictions for wind energy-based power generation.

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Wind Energy: Doubly-fed Induction Generator Presentation

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    1. Dolcera Corporation

    2. Contact Us

    4. Dolcera Corporation

    5. Introduction Harnessing renewable alternative energy is the ideal way to tackle the energy crisis, with due consideration given to environmental pollution, that looms large over the world. Renewable energy is also called "clean energy" or "green power" because it doesn’t pollute the air or the water. Wind energy is one such renewable energy source that harnesses natural wind power. The development of wind energy systems and advances in power electronics, electric drives, control systems, have enabled e?cient future for wind energy. Wind generation through doubly fed induction generators connected to wind turbine is a very e?ective way of generation.

    6. HAWT Taxonomy

    7. Classification Different classes related to wind turbines are identified

    8. Dolcera Corporation

    9. Control Patents

    10. Classifications

    11. Search Concepts

    12. Keyword Search

    13. Taxonomy

    14. Patent Analysis

    15. Article Analysis

    16. Product Analysis

    17. Dolcera Dashboard

    18. Market Overview The total global wind power generation in the year 2009 shown below

    19. Market Forecast Global wind power capacity could reach 2,300 GW by 2030, providing up to 22% of the world's electricity needs, from the existing 2.2% in 2010.

    20. Insights: Major Players Vestas Wind Energy Systems and General Electric are the major players in wind energy generation through doubly-fed induction generator technology.

    21. Insights: Key Patents Key patents in the field are held by US Windpower, Oregon State and Vestas Wind Energy Systems

    22. Insights: Year wise IP activity Year wise IP activity based on publication years

    23. Insights: Geographical Distribution Geographical distribution of patents

    24. Insights: Others Around 86% patents are on controlling the doubly-fed induction generation(DFIG) which indicates high research activity going on in rating and controlling of the DFIG systems. 86% of the patent on DFIG operation are focusing on grid connected mode of operation, suggesting continuous operation of the DFIG system during weak and storm winds, grid voltage sags, and grid faults are major issues in the current scenario. Woodward is a new and fast developing player in the field of DFIG technology. The company filed 10 patent applications in the field in year 2010, while it has no prior IP activity.

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