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基于磁場調(diào)制式磁齒輪傳動的永磁同步風(fēng)力發(fā)電系統(tǒng)
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國家自然科學(xué)基金資助項目(50877034)


Characteristics of Field Modulated Magnetic Gear in Wind Turbine System
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    摘要:

    提出一種基于磁場調(diào)制的同心式磁齒輪設(shè)計，將其引入風(fēng)力發(fā)電系統(tǒng)代替?zhèn)鹘y(tǒng)機械齒輪，既解決了風(fēng)力機與發(fā)電機的轉(zhuǎn)速匹配問題，又減小了風(fēng)電機組的總體積，避免了機械齒輪的振動、噪聲及潤滑等自身無法避免的問題，從而提高了整個風(fēng)電系統(tǒng)的效率和工作可靠性。在對磁齒輪諧波磁場進行有限元分析的基礎(chǔ)上，以時步有限元法為基礎(chǔ)，實現(xiàn)了電動機有限元模型與磁齒輪有限元模型的聯(lián)合動態(tài)仿真。設(shè)計了一臺傳動比為6.75的1kW磁場調(diào)制式磁齒輪（FMMG）樣機，搭建了基于FMMG傳動的風(fēng)力發(fā)電系統(tǒng)試驗平臺，發(fā)電機反電勢計算波形與試驗波形的一致性說明了電磁設(shè)計與分析結(jié)果的正確性。

    Abstract:

    A novel field modulated magnetic gear (FMMG) with concentric configuration was proposed and introduced to the drive train for a wind turbine system, which eliminated the vibration, noise and lubrication problems of mechanical gearbox and avoided the size and weight issues of directly-driven wind turbines. And the efficiency and reliability were improved simultaneously. Based on the field computations by time-stepping finite element analysis, the co-simulation FEM model of synchronous generator and magnetic gear was established and the dynamic performance of the transmission system was studied. The electromagnetic design and simulation results were verified by the experiment of the 1 kW FMMG prototype.

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包廣清,劉新華,毛開富.基于磁場調(diào)制式磁齒輪傳動的永磁同步風(fēng)力發(fā)電系統(tǒng)[J].農(nóng)業(yè)機械學(xué)報,2011,42(5):116-120,150. Bao Guangqing, Liu Xinhua, Mao Kaifu. Characteristics of Field Modulated Magnetic Gear in Wind Turbine System[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(5):116-120,150.

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