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首页> 外文期刊>Renewable Power Generation, IET >Active control strategy based on vector-proportion integration controller for proton exchange membrane fuel cell grid-connected system
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Active control strategy based on vector-proportion integration controller for proton exchange membrane fuel cell grid-connected system

机译：基于矢量比例积分控制器的质子交换膜燃料电池并网系统主动控制策略

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摘要

Considering the influence of slow response characteristic of a high-power proton exchange membrane fuel cell (PEMFC) on a grid-connected system adequately, a 150 kW PEMFC grid-connected system, including a PEMFC power unit based on a Ballard Stack Modules-FCvelocity™ HD6 is developed in this study. Moreover, then an active control strategy with vector-proportion integration controller is proposed to regulate the cascade system actively and improve the performance of compensating low-order harmonics. The comparisons with conventional active/reactive power (PQ) control are carried out to verify the validity of the proposed method under different conditional tests. The results demonstrate that the proposed strategy can not only track the grid power demand quickly, but also prevent the unsteady phenomena which are aroused by PQ control method from the relatively slow response of high-power PEMFC power unit. Furthermore, the total harmonic distortion of grid-connected current is measured by means of the criterion of IEEE Std1547-2003 and the result of fast Fourier transform analysis testifies that the proposed strategy can decrease the total harmonic content of currents better. Therefore, this proposed method will be an optional effective technique for the design of advanced high-power PEMFC grid-connected control system.
机译：充分考虑大功率质子交换膜燃料电池（PEMFC）的慢响应特性对并网系统的影响，一个150 kW PEMFC并网系统，包括基于Ballard Stack Modules-FCvelocity的PEMFC功率单元™HD6是在本研究中开发的。此外，提出了一种带有矢量比例积分控制器的主动控制策略，以主动调节级联系统，提高补偿低阶谐波的性能。与传统的有功/无功（PQ）控制进行了比较，以验证该方法在不同条件下的有效性。结果表明，所提出的策略不仅可以快速跟踪电网的电力需求，而且还可以防止由于大功率PEMFC功率单元响应速度较慢而导致PQ控制方法引起的不稳定现象。此外，根据IEEE Std1547-2003标准对并网电流的总谐波失真进行了测量，快速傅里叶变换分析的结果证明该策略可以更好地降低电流的总谐波含量。因此，该方法将是设计先进的大功率PEMFC并网控制系统的一种可选有效技术。

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