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風(fēng)力機(jī)柔性制動系統(tǒng)設(shè)計與仿真
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國家自然科學(xué)基金資助項目(50735004);國家“863”高技術(shù)研究發(fā)展計劃資助項目(2007AA05Z418);浙江省科技攻關(guān)項目(G20080172)


Simulation Experiment on Wind Turbine Soft Braking
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    摘要:

    在分析風(fēng)力機(jī)制動數(shù)學(xué)模型的基礎(chǔ)上,,設(shè)計了柔性制動系統(tǒng),,搭建了半物理混合仿真實驗臺,,并在實驗臺上進(jìn)行了風(fēng)力機(jī)柔性制動模擬仿真實驗,。實驗結(jié)果表明,風(fēng)力機(jī)正常停機(jī)時,,柔性制動系統(tǒng)通過改變PLC的PWM輸出控制高速開關(guān)閥通斷時間,從而調(diào)節(jié)制動力,,完成柔性制動過程,,可以使葉輪轉(zhuǎn)速下降平緩,風(fēng)力機(jī)齒輪箱扭矩波動減小,。

    Abstract:

    A soft braking system was designed based on the mathematic model of wind turbine braking, and a semi-physical simulation test-bed for wind turbine was really formed. Analog simulation experiment for wind turbine soft braking was performed on the test-bed. Experiment results indicated that, when the wind turbine was regularly stopped, soft braking controls the high-speed switch valve on-off time by means of varying the PWM output of PLC, to adjust brake force through, which can make rotor speed fall down gently and minish the gearbox torque wave. 

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鮑先兵,林勇剛,李偉,魯效平,楊燦軍.風(fēng)力機(jī)柔性制動系統(tǒng)設(shè)計與仿真[J].農(nóng)業(yè)機(jī)械學(xué)報,2010,41(2):104-107,112. Bao Xianbing, Lin Yonggang, Li Wei, Lu Xiaoping, Yang Canjun. Simulation Experiment on Wind Turbine Soft Braking[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(2):104-107,112.

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