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1. (WO2018024018) WIND TURBINE VARIABLE-PITCH CONTROL METHOD AND DEVICE
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.:    WO/2018/024018    International Application No.:    PCT/CN2017/084910
Publication Date: 08.02.2018 International Filing Date: 18.05.2017
IPC:
F03D 7/00 (2006.01)
Applicants: BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT CO., LTD. [CN/CN]; No. 19 Kangding Road Beijing Economic & Technological Development Zone, Daxing District Beijing 100176 (CN)
Inventors: ZHOU, Jie; (CN).
TANG, Hao; (CN).
WANG, Qingtian; (CN)
Agent: UNITALEN ATTORNEYS AT LAW; 7th Floor, Scitech Place No.22, Jian Guo Men Wai Ave. Chao Yang District Beijing 100004 (CN)
Priority Data:
201610625804.X 02.08.2016 CN
Title (EN) WIND TURBINE VARIABLE-PITCH CONTROL METHOD AND DEVICE
(FR) PROCÉDÉ ET DISPOSITIF DE COMMANDE DE PAS VARIABLE D'ÉOLIENNE
(ZH) 风力发电机组变桨控制方法及装置
Abstract: front page image
(EN)A method and a device for use in variable-pitch control of a wind turbine, in said method: if a current wind speed is continuously maintained at a small wind speed, then periodically detecting whether a maintained duration of a current pitch angle of a wind turbine reaches a preset duration; once the preset duration is reached, switching a current minimum pitch angle to another minimum pitch angle.
(FR)L'invention concerne un procédé et un dispositif destinés à être utiliser dans la commande de pas variable d'une éolienne. Dans ce procédé : si une vitesse de vent courant est maintenue petite en continu, alors détecter périodiquement si une durée maintenue d'un angle de pas courant d'une éolienne a atteint une durée prédéterminée; une fois la durée prédéterminée atteinte, à commuter un angle de pas minimal courant à un autre angle de pas minimal.
(ZH)一种风力发电机组变桨控制方法及装置,该方法中,若当前风速持续维持在小风速状态下,则周期性地检测机组当前的桨距角的维持时长是否达到预设时长,每当达到预设时长,便将当前的最小桨距角切换为另一最小桨距角。
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, 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 (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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: Chinese (ZH)
Filing Language: Chinese (ZH)