论文标题

基于模型预测控制

Research on Flexibility Margin of Electric-Hydrogen Coupling Energy Block Based on Model Predictive Control

论文作者

Han, Zijiao, Yuan, Shun, Dong, Yannan, Ma, Shaohua, Bian, Yudong, Mao, Xinyu

论文摘要

氢能在低碳能的转化中起着重要作用,电氢偶联将成为典型的能量情况。旨在以高比例的风能和光伏的低碳电氢偶联系统的运行灵活性,研究了基于模型预测性控制(MPC)的电氢偶联能块的柔韧性余量。通过分析异质能的功率交换特性,建立了各种异质能源的均质化模型。根据电源系统灵活性余量的分析,从系统操作的维度定义了灵活性余量评估指标的三个维度,并建立了电氢偶联能量块调度模型。模型预测控制算法用于优化电氢耦合能块的功率平衡操作,并定量分析和计算能量块的柔韧性缘。通过示例分析,验证了本文提出的计算方法不仅可以意识到电氢偶联能量块的在线功率平衡优化,而且还可以有效地量化电氢耦合能块的操作柔韧性缘。

Hydrogen energy plays an important role in the transformation of low-carbon energy, and electric hydrogen coupling will become a typical energy scenario. Aiming at the operation flexibility of low-carbon electricity hydrogen coupling system with high proportion of wind power and photovoltaic, this paper studies the flexibility margin of electricity hydrogen coupling energy block based on model predictive control (MPC). By analyzing the power exchange characteristics of heterogeneous energy, the homogenization models of various heterogeneous energy sources are established. According to the analysis of power system flexibility margin, three dimensions of flexibility margin evaluation indexes are defined from the dimension of system operation, and an electricity hydrogen coupling energy block scheduling model is established. The model predictive control algorithm is used to optimize the power balance operation of the electro hydrogen coupling energy block, and the flexibility margin of the energy block is quantitatively analyzed and calculated. Through the example analysis, it is verified that the calculation method proposed in this paper can not only realize the on-line power balance optimization of electric hydrogen coupling energy block, but also effectively quantify the operation flexibility margin of electric hydrogen coupling energy block.

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