基于交互多模型算法的电力负荷在线建模

发布时间：2018-05-20 22:42

本文选题：电力负荷 + 在线建模　；参考：《中国电机工程学报》2016年13期

【摘要】：针对现代电网在线仿真的需求,以交互多模型(interactive multiple model,IMM)算法为基本理论工具,提出一种新的电力负荷在线建模方法。首先从IMM算法的基本原理出发,建立一种新的电力负荷在线建模框架;进一步深入分析利用在线信息对各个子模型进行输入交互、条件滤波、概率更新、融合估计等具体环节,从而实现电力负荷的在线建模。该方法通过多个子模型逼近复杂的电力负荷特性,能综合利用电力负荷的离线信息和在线信息,通过不同模型的概率变化描述电力负荷的强非线性离散变化特性,因而具有较高的精度和速度。最后通过算例说明了所提方法的有效性。
[Abstract]:Aiming at the demand of modern power network on-line simulation, a new on-line modeling method for power load is proposed, which is based on interactive multi-model interactive multiple model (IMM) algorithm. Based on the basic principle of IMM algorithm, a new on-line modeling framework for electric power load is established, and the specific links such as input interaction, conditional filtering, probability updating, fusion estimation and so on are further analyzed, such as input interaction, conditional filtering, probability updating, fusion estimation and so on. Thus, the online modeling of power load is realized. This method approximates complex power load characteristics by multiple submodels, and can synthetically utilize off-line and on-line information of power load, and describe the strong nonlinear discrete variation characteristics of power load by probability variation of different models. Therefore, it has high accuracy and speed. Finally, an example is given to illustrate the effectiveness of the proposed method.
【作者单位】：华南理工大学电力学院;电力系统及发电设备控制和仿真国家重点实验室(清华大学电机系);
【基金】：国家自然科学基金资助项目(51307064) 高等学校博士学科点专项科研基金资助项目(20130172120044) 广东自然科学基金资助项目(S2013040015586) 中央高校基本科研业务费资助项目(2013ZM0022)~~
【分类号】：TM714

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