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Cyclic pitch control for the reduction of ultimate loads on wind turbines
In this paper we study the use of individual blade pitch control as a way to reduce ultimate loads. This load alleviation strategy exploits the fact that cyclic pitching of the blades induces in general a reduction of the average loading of a wind turbine, at least for some components as the main be...
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Published in: | Journal of physics. Conference series 2014-01, Vol.524 (1), p.12063 |
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description | In this paper we study the use of individual blade pitch control as a way to reduce ultimate loads. This load alleviation strategy exploits the fact that cyclic pitching of the blades induces in general a reduction of the average loading of a wind turbine, at least for some components as the main bearing, the yaw bearing, or the tower. When ultimate loads are generated during shutdowns, the effect of the use of cyclic pitch results in reduced peak loads. In fact, as the machine starts from a less stressed condition, the response to an extreme gust or other event will result in reduced loading on its components. This form of load mitigation can be seen as a preventative load mitigation strategy: the effect on load reduction is obtained without the need to detect and react to an extreme event, but by simply unloading the machine so that, in case an extreme event happens, the result will be less severe. The effect of peak load mitigation by preventative cyclic pitch is investigated with reference to a multi-MW wind turbine, by using high-fidelity aeroelastic simulations in a variety of operating conditions. |
doi_str_mv | 10.1088/1742-6596/524/1/012063 |
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The effect of peak load mitigation by preventative cyclic pitch is investigated with reference to a multi-MW wind turbine, by using high-fidelity aeroelastic simulations in a variety of operating conditions.</description><subject>Cyclic loads</subject><subject>Extreme values</subject><subject>Load</subject><subject>Load alleviation</subject><subject>Peak load</subject><subject>Physics</subject><subject>Pitch (inclination)</subject><subject>Reduction</subject><subject>Shutdowns</subject><subject>Ultimate loads</subject><subject>Wind turbines</subject><subject>Yaw</subject><issn>1742-6596</issn><issn>1742-6588</issn><issn>1742-6596</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>PIMPY</sourceid><recordid>eNpNkEtLAzEQgIMoWKt_QQKe1837cZSitlDwoueQZLN0y7qpSRbpvzelIs5lhpmPmeED4B6jR4yUarFkpBFci5YT1uIWYYIEvQCLv8Hlv_oa3OS8R4jWkAuwWR39OHh4GIrfQR-nkuII-5hg2QWYQjf7MsQJxh7OYxk-bQlwjLbLsDa_h6mDZU5umEK-BVe9HXO4-81L8PHy_L5aN9u3183qadt4KlRprNVcdlQKHJRl3MtOIaWD5kRrpygPyOqAe8wk864XDlPmOHOECBecZoouwcN57yHFrznkYvZxTlM9aQiXQlSGyUqJM-VTzDmF3hxS_T4dDUbmpM2cjJiTEVO1GWzO2ugP9cVfvQ</recordid><startdate>20140101</startdate><enddate>20140101</enddate><creator>Bottasso, C L</creator><creator>Croce, A</creator><creator>Riboldi, C E D</creator><creator>Salvetti, M</creator><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>H8D</scope><scope>HCIFZ</scope><scope>L7M</scope><scope>P5Z</scope><scope>P62</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope></search><sort><creationdate>20140101</creationdate><title>Cyclic pitch control for the reduction of ultimate loads on wind turbines</title><author>Bottasso, C L ; Croce, A ; Riboldi, C E D ; Salvetti, M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c368t-aa957d3761e8a45c7d8089e95299b835e0a9e1f1474cbf6b134b54b226beb9483</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Cyclic loads</topic><topic>Extreme values</topic><topic>Load</topic><topic>Load alleviation</topic><topic>Peak load</topic><topic>Physics</topic><topic>Pitch (inclination)</topic><topic>Reduction</topic><topic>Shutdowns</topic><topic>Ultimate loads</topic><topic>Wind turbines</topic><topic>Yaw</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bottasso, C L</creatorcontrib><creatorcontrib>Croce, A</creatorcontrib><creatorcontrib>Riboldi, C E D</creatorcontrib><creatorcontrib>Salvetti, M</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>AUTh Library subscriptions: ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central</collection><collection>Aerospace Database</collection><collection>SciTech Premium Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ProQuest advanced technologies & aerospace journals</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Publicly Available Content (ProQuest)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Journal of physics. 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subjects | Cyclic loads Extreme values Load Load alleviation Peak load Physics Pitch (inclination) Reduction Shutdowns Ultimate loads Wind turbines Yaw |
title | Cyclic pitch control for the reduction of ultimate loads on wind turbines |
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