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風(fēng)力機(jī)柔性制動(dòng)系統(tǒng)設(shè)計(jì)與仿真
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國(guó)家自然科學(xué)基金資助項(xiàng)目（50735004）;國(guó)家“863”高技術(shù)研究發(fā)展計(jì)劃資助項(xiàng)目（2007AA05Z418）;浙江省科技攻關(guān)項(xiàng)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(dòng)數(shù)學(xué)模型的基礎(chǔ)上,，設(shè)計(jì)了柔性制動(dòng)系統(tǒng)，搭建了半物理混合仿真實(shí)驗(yàn)臺(tái)，并在實(shí)驗(yàn)臺(tái)上進(jìn)行了風(fēng)力機(jī)柔性制動(dòng)模擬仿真實(shí)驗(yàn),。實(shí)驗(yàn)結(jié)果表明,，風(fēng)力機(jī)正常停機(jī)時(shí),，柔性制動(dòng)系統(tǒng)通過(guò)改變PLC的PWM輸出控制高速開(kāi)關(guān)閥通斷時(shí)間,，從而調(diào)節(jié)制動(dòng)力,，完成柔性制動(dòng)過(guò)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(dòng)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(dòng)系統(tǒng)設(shè)計(jì)與仿真[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),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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