| 电网故障下直驱风电系统网侧变流器电网同步化研究 |
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| 引用本文： | 武振光,侯小顺. 电网故障下直驱风电系统网侧变流器电网同步化研究[J]. 电源技术应用, 2013, 0(3): 1-7 |
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| 作者姓名： | 武振光 侯小顺 |
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| 作者单位： | 河南省孟电集团热力有限公司,河南辉县453600 |
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| 摘 要： | 提出了一种不平衡和畸变电压运行条件下风电系统网侧变流器的新型电网同步化技术，即双二阶通用积分器一锁频环（DSOGI—FLL）。包括正交信号发生器、正负序分量计算器和锁频环三个基本函数模块。通过对DSOGI-FLL进行了详细的研究，对仿真和试验结果进行了验证，结果表明DSOGI—FLL是一个合适的电网同步化方法。
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| 关 键 词： | 故障穿越 锁频环 变流器控制 电网同步化 |
Research on Grid Synchronization Of Grid-side Converter in Direct Drive Wind Power Generation System under Grid Faults |
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| WU Zhen-guang,HOU Xiao-shun. Research on Grid Synchronization Of Grid-side Converter in Direct Drive Wind Power Generation System under Grid Faults[J]. Power Supply Technologles and Applications, 2013, 0(3): 1-7 |
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| Authors: | WU Zhen-guang HOU Xiao-shun |
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| Affiliation: | WU Zhen-guang, HOU Xiao-shun |
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| Abstract: | A new technique for grid synchronization of grid-side converter in direct drive wind power generation system under unbalancedand distorted conditions,is proposed, is proposed,i.e., the dual second order generalized integrator frequency-locked loop （DSOGI-FLL）. The proposed detector concludes three fundamental function blocks, there are： the quadrature-signals generator （QSG）, positive- and negative- sequence calculator （PNSC） and frequency-locked loop （FLL）. A detailed study of the DSOGI-FLL and verification by simulation and experiment are performed in this paper. The obtained results demonstrate that the DSOGI-FLL is a very suitable solution for grid synchronization of grid-side converter. |
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| Keywords: | fault ride-through PLL converter control power grid synchronization |
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