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电网技术  2009 

含风电场的电力系统长过程动态行为分析

, PP. 133-138

Keywords: 电力系统,风电场,长过程动态行为,仿真,柔性自校正方法

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Abstract:

风力的随机波动特性给电力系统动态运行带来了不良影响。目前,考虑风电不良影响的动态过程仿真方法和软件主要集中在电磁暂态和机电暂态过程,而对长过程问题的分析还比较缺乏。文中以异步风力发电机单机等值模型作为风电场的数学模型,以柔性自校正仿真方法为分析手段,对包含风电场的电力系统在不同风况和不同运行方式下的长过程动态行为进行了仿真分析。算例仿真结果表明,柔性自校正仿真方法能够适应含风电场的电力系统长过程动态行为仿真,风电的随机变化会给系统电压、频率、联络线功率等带来额外波动。

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