Wind Energy

Online ISSN : 1884-457X
Print ISSN : 0387-6217
ISSN-L : 0387-6217

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Volume 29, Issue 2

Displaying 1-14 of 14 articles from this issue

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 2 Pages 3
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.2_3

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 2 Pages 4-6
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.2_4

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 2 Pages 7-10
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.2_7

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 2 Pages 11-18
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.2_11

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 2 Pages 19-22
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.2_19

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 2 Pages 23-26
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.2_23

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 2 Pages 27-30
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.2_27

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 2 Pages 31-35
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.2_31

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 2 Pages 36-42
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.2_36

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 2 Pages 47-50
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.2_47

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 2 Pages 51-59
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.2_51

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A Three-Dimensional Power Calculation Method Which Improves Estimation Accuracy in Complex Terrains

Shigeo YOSHIDA, Hiroshi KATO, Tsutomu ONO

2005 Volume 29 Issue 2 Pages 75-83
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.2_75

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The existing power calculation method, based ontwo-dimensional wind and two-dimensional powercurves, is commonly used.However, it tend toover-estimates power generation in complex terrains, where theree-dimensional wind is dominant. So as toimprove the calculation accuracy in complex terrains, a new three-dimensional method is derived andproposed in this study.
It was validated through a field test. Furthermore, simulation on a typical wind farm in complex terranshows that the present proposal method provides6%less AEP than the existing method.
The new method is expected to contribute toimprove the power estimation accuracy in complexterrains.

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Mu-Synthesis Robust Controller for Variable Speed Pitch Controlled Wind Turbine

Shigeo YOSHIDA, Junya SAKAMOTO

2005 Volume 29 Issue 2 Pages 84-91
Published: 2005
Released on J-STAGE: May 20, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.2_84

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A robust controller was developed for a variablespeed pitch controlled turbine, using Mu-Synthesis.Itenables more sophisticated and robust control thanH-Infinity by structured uncertainties taken intoaccount in the design.
Its robustness in cases of large model errors, suchas twice as long pitch delay, was verified throughnon-linear simulations.A field test was also carried outand demonstrated its fairly good characteristics.Andthe measured power curve was significantly improvedthan former PI controller.
The controller and design method are expected toprovide promising solutions in turbulent conditionssuch as complex terrains or wind farms.

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Feasibility of offshore wind power generation over Ise Bay

Susumu SHIMADA, Teruo OHSAWA, Atsushi HASHIMOTO, Kazuhito FUKAO, Takas ...

2005 Volume 29 Issue 2 Pages 92-97
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.2_92

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