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Integration of permanent magnet sync...
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The University of Wisconsin - Milwaukee.
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Integration of permanent magnet synchronous generator wind turbines into power grid.
紀錄類型:
書目-電子資源 : Monograph/item
正題名/作者:
Integration of permanent magnet synchronous generator wind turbines into power grid./
作者:
Abedini, Asghar.
面頁冊數:
110 p.
附註:
Adviser: Adel Nasiri.
Contained By:
Dissertation Abstracts International70-01B.
標題:
Energy. -
電子資源:
http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3342786
ISBN:
9780549976561
Integration of permanent magnet synchronous generator wind turbines into power grid.
Abedini, Asghar.
Integration of permanent magnet synchronous generator wind turbines into power grid.
- 110 p.
Adviser: Adel Nasiri.
Thesis (Ph.D.)--The University of Wisconsin - Milwaukee, 2008.
On the other hand, since wind power is intermittent, integrating energy storage systems with wind farms has attracted a lot of attention.
ISBN: 9780549976561Subjects--Topical Terms:
876794
Energy.
Integration of permanent magnet synchronous generator wind turbines into power grid.
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On the other hand, since wind power is intermittent, integrating energy storage systems with wind farms has attracted a lot of attention.
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The concepts of the methods of smoothing wind power can be implemented in other types of wind turbines such as Doubly Fed Induction Generator (DFIG) wind turbines.
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The world is seeing an ever-increasing demand for electrical energy. The future growth of electrical power generation needs to be a mix of technologies including fossil fuels, hydro, nuclear, wind, and solar. The federal and state energy agencies have taken several proactive steps to increase the share of renewable energy in the total generated electrical power.
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In 2005, 11.1% of the total 1060 GW electricity generation capacity was from Renewable Energy Sources (RES) in the US. The power capacity portfolio included 9.2% from hydroelectric, 0.87% from wind, and 0.7% from biomass. Other renewable power capacity included 2.8 GW of geothermal, 0.4 GW of solar thermal, and 0.2 GW of solar PV. Although the share of renewable energy sources is small compared with the total power capacity, they are experiencing a high and steady growth. The US is leading the world in wind energy growth with a 27% increase in 2006 and a projected 26% increase in 2007, according to the American Wind Energy Association (AWEA). The US Department of Energy benchmarked a goal to meet 5% of the nation's energy need by launching the Wind Powering America (WPA) program.
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Although renewable energy sources have many benefits, their utilization in the electrical grid does not come without cost. The higher penetration of RES has introduced many technical and non-technical challenges, including power quality, reliability, safety and protection, load management, grid interconnections and control, new regulations, and grid operation economics.
520
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RES such as wind and PV are also intermittent in nature. The energy from these sources is available as long as there is wind or sunlight. However, these are energies that are abundant in the world and the power generated from these sources is pollution free. Due to high price of foundation of wind farms, employing variable speed wind turbines to maximize the extracted energy from blowing wind is more beneficial.
520
$a
These two subjects are addressed in this dissertation in detail. Permanent Magnet Synchronous Generators (PMSG) are used in variable speed wind turbines. In this thesis, the dynamic of the PMSG is investigated and a power electronic converter is designed to integrate the wind turbine to the grid. The risks of PMSG wind turbines such as low voltage ride through and short circuits, are assessed and the methods of mitigating the risks are discussed.
520
$a
In the second section of the thesis, various methods of smoothing wind turbine output power are explained and compared. Two novel methods of output power smoothing are analyzed: Rotor inertia and Super capacitors. The advantages and disadvantages of each method are explained and the dynamic model of each method is developed. The performance of the system is evaluated by simulating the wind turbine system in each method.
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http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3342786
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