谢惠藩;王广军;张尧;林凌雪;

• 1:中国南方电网超高压输电公司检修试验中心
• 2:广东电网公司佛山供电局
• 3:华南理工大学电力学院

摘要(Abstract)：

紧急直流功率支援能在交直流系统受到大扰动后快速调制HVDC的直流功率,利用HVDC短时过载能力提高电网的暂态稳定性,因此如何利用广域信号实现紧急直流功率支援的在线预测意义重大。文中构造了一种基于多分辨率分析理论的新结构正交小波神经网络,并将其应用于云广特高压直流的紧急直流功率支援在线预测。该多分辨率正交小波神经网络采用正交尺度函数作为激励函数,能保证逼近函数表达式的唯一,收敛迅速。实验结果表明:该多分辨率分析正交小波神经网络能依据主成分降维后的输入数据准确并可靠地给出紧急直流功率支援控制量。

关键词(KeyWords)： 正交尺度函数;多分辨率分析;正交小波神经网络;紧急直流功率支援;特高压直流;主成分分析

Abstract:

Keywords:

基金项目(Foundation): “十一五”国家科技支撑计划重大项目(2006BAA02A17)~~

作者(Author): 谢惠藩;王广军;张尧;林凌雪;

Email:

DOI: 10.13335/j.1000-3673.pst.2010.08.003

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