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首页> 外文期刊>Industrial Electronics, IEEE Transactions on >Dynamic Torque Analysis of a Wind Turbine Drive Train Including a Direct-Driven Permanent-Magnet Generator
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Dynamic Torque Analysis of a Wind Turbine Drive Train Including a Direct-Driven Permanent-Magnet Generator

机译：包括直接驱动式永磁发电机在内的风力发电机组的动态转矩分析

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摘要

Mechanical interactions between a wind turbine and a direct-driven permanent-magnet synchronous generator (PMSG) are studied, and a model to analyze the system behavior is suggested. The proposed model can be applied to analyze the mechanical vibrations of direct-driven wind turbine installations both in steady state and in dynamic cases. The cogging torque and torque ripple of the PMSG are used as excitation sources in the mechanical model. Four different permanent-magnet rotor constructions are analyzed. It is shown that the maximum allowable value of the cogging torque of the direct-driven permanent-magnet wind generator in this case is 1.5%–2% of the rated torque even when the corresponding resonance frequency does not occur in the operational speed range of the wind turbine. Furthermore, it was noticed that the resonance caused by the excitation torque should occur at the lowest possible speed.
机译：研究了风力发电机与直接驱动式永磁同步发电机（PMSG）之间的机械相互作用，并提出了用于分析系统行为的模型。该模型可用于分析稳态和动态情况下直接驱动式风力发电机组的机械振动。 PMSG的齿槽转矩和转矩脉动在机械模型中用作激励源。分析了四种不同的永磁转子结构。结果表明，在这种情况下，直接驱动的永磁风力发电机的齿槽转矩的最大允许值是额定转矩的1.5％–2％，即使在运行速度范围内未出现相应的共振频率时也是如此。风力涡轮机。此外，已经注意到，由激励转矩引起的共振应该以尽可能低的速度发生。

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