不平衡电压跌落下BTB变换器的性能评价

2012 9th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE) Pub Date : 2012-09-01 DOI:10.1109/ICEEE.2012.6421162

R. Sierra, J. Alcalá, V. Cárdenas, J. Perez-Ramirez, A. Rivera

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引用次数: 3

摘要

在此工作中，提出了一种基于风力发电机组在不平衡电压条件下运行的可再生能源系统中保持潮流转移的控制结构。在所提出的方案中，背靠背(BTB)变换器在三相系统中发生B、C和D型电压跌落时保持热电联产。在dq参考系下建立了控制模型，并提出了两种控制方案来控制BTB变换器。考虑了互联电网侧的逐相分析;另一方面，对于负荷侧，建立了三相分析。仿真和实验结果证明了BTB变换器补偿电压跌落的有效性。

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Evaluating the performance of the BTB converter under unbalanced voltage sags

In this work, a control structure to maintain the power flow transference in renewable energy systems based on wind turbines operating under unbalanced voltage conditions is presented. In the proposed scheme, the Back-to-Back (BTB) converter preserves the electrical cogeneration under the occurrence of voltage sags type B, C and D in three-phase systems. The control modeling is developed in the dq reference frame and two control schemes are proposed to control the BTB converter. A per-phase analysis at the interconnected grid side is considered; on the other hand, for the load side, a three-phase analysis is established. The effectiveness of the BTB converter to compensate voltage sags is shown through simulation and experimental results.

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来源期刊

2012 9th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE)

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