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1. (WO2018204452) SYSTEM AND METHOD FOR REDUCING WIND TURBINE ROTOR BLADE LOADS
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Pub. No.: WO/2018/204452 International Application No.: PCT/US2018/030584
Publication Date: 08.11.2018 International Filing Date: 02.05.2018
IPC:
F03D 7/02 (2006.01) ,F03D 17/00 (2016.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03
MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
D
WIND MOTORS
7
Controlling wind motors
02
the wind motors having rotation axis substantially in wind direction
[IPC code unknown for F03D 17]
Applicants:
GENERAL ELECTRIC COMPANY [US/US]; 1 River Road Schenectady, NY 12345, US
Inventors:
ZINNECKER, Alicia, Mae; US
SUNYAK, Ryan, Michael; US
Agent:
ZHANG, Douglas, D.; US
DIMAURO, Peter, T.; US
MIDGLEY, Stephen, G.; US
KRAMER, John, A.; US
WINTER, Catherine, J.; US
Priority Data:
15/586,50604.05.2017US
Title (EN) SYSTEM AND METHOD FOR REDUCING WIND TURBINE ROTOR BLADE LOADS
(FR) SYSTÈME ET PROCÉDÉ DE RÉDUCTION DE CHARGES DE PALE DE ROTOR D'ÉOLIENNE
Abstract:
(EN) The present disclosure is directed to a method for reducing loads of one or more rotor blades of a wind turbine. The method includes monitoring a load of a first rotor blade. If the load of the first rotor blade exceeds a first load threshold, the method also includes designating a rotor plane sector in which the first rotor blade is located as a high load rotor plane sector. The method further includes adjusting, via a pitch drive mechanism, a pitch angle of a second rotor blade toward a first position before the second rotor blade enters the high load rotor plane sector.
(FR) La présente invention porte sur un procédé de réduction des charges d'une ou de plusieurs pales de rotor d'une éolienne. Le procédé consiste à surveiller la charge d'une première pale de rotor. Si la charge de la première pale de rotor dépasse un premier seuil de charge, le procédé comprend également la désignation d'un secteur de plan de rotor dans lequel la première pale de rotor est située sous la forme d'un secteur de plan de rotor à charge élevée. Le procédé comprend en outre l'ajustement, par l'intermédiaire d'un mécanisme d’actionnement de pas, d'un angle de pas d'une seconde pale de rotor vers une première position avant que la seconde pale de rotor ne pénètre dans le secteur de plan de rotor à charge élevée.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)