直驱式永磁同步发电系统以其噪声小、可靠性高等优点在风力发电系统中越来越得到重视。对一种采用新型永磁同步发电机的直驱式永磁同步发电系统进行了仿真研究，建立了新型永磁风力发电机组的MATLAB模型，提出了一种基于萤火虫群算法的优化功率分配方法。该方法以减小发电机损耗为目标，能够较大地提高发电机组的效率。仿真结果表明，采用优化功率分配方法的发电机由于能够减小损耗，可以输出更多的有功功率，具有更高的发电效率。研究结果可为新型永磁同步发电机发电效率的提高提供参考。%The direct-driven permanent magnet synchronous generator system has attracted people’s attention more than ever in the field of wind power generation system for its reputation of low noise level and high level of reliability. This paper studies a direct-driven wind system with a novel permanent magnet synchronous generator by simulation. Firstly,this paper builds a MATLAB model of the novel permanent magnet synchronous generator based wind turbine system,and provides an optim-ized power distribution method based on the glowworm swarm optimization algorithm. This method aims at reducing the losses of the generator, and is able to raise the efficiency of the generator unit to a large extent. According to the simulation results,because the generator using optimized power distribution method reduces losses,it can provide more power and be more efficient. This result can provide a reference for the study of raising the efficiency of novel permanent magnet synchronous generators.
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