基于神经网络的黑启动操作过电压快速预测Fast Determination of Switching Overvoltage in Black Start Process Based on Artificial Neural Networks
李膨源;顾雪平;
摘要(Abstract):
在电力系统黑启动方案制定的过程中,需要对不同的黑启动方案进行反复的空充输电线路过电压的仿真计算和校验。文中提出了利用神经网络快速预测黑启动合闸过电压的方法,通过选择一组有效的输入特征形成总的样本空间,并采用电磁暂态仿真程序(EMTP)建立训练样本集和测试样本集,误差反向传播神经网络用于构造输入特征与过电压峰值之间的映射关系,从而实现黑启动合闸过电压的快速预测。算例分析表明了该方法的有效性。
关键词(KeyWords): 电力系统分析;空充输电线路;操作过电压;黑启动;神经网络
基金项目(Foundation): 国家电力公司2002年度重点科技项目(SP11-2002-01-08)
作者(Author): 李膨源;顾雪平;
Email:
DOI: 10.13335/j.1000-3673.pst.2006.03.014
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