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Adaptive Robust Method for Dynamic Economic Emission Dispatch Incorporating Renewable Energy and Energy Storage

机译:结合可再生能源和储能的动态经济调度的自适应鲁棒方法

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In association with the development of intermittent renewable energy generation (REG), dynamic multiobjective dispatch faces more challenges for power system operation due to significant REG uncertainty. To tackle the problems, a day-ahead, optimal dispatch problem incorporating energy storage (ES) is formulated and solved based on a robust multiobjective optimization method. In the proposed model, dynamic multistage ES and generator dispatch patterns are optimized to reduce the cost and emissions. Specifically, strong constraints of the charging/discharging behaviors of the ES in the space-time domain are considered to prolong its lifetime. Additionally, an adaptive robust model based on minimax multiobjective optimization is formulated to find optimal dispatch solutions adapted to uncertain REG changes. Moreover, an effective optimization algorithm, namely, the hybrid multiobjective Particle Swarm Optimization and Teaching Learning Based Optimization (PSO-TLBO), is employed to seek an optimal Pareto front of the proposed dispatch model. This approach has been tested on power system integrated with wind power and ES. Numerical results reveal that the robust multiobjective dispatch model successfully meets the demands of obtaining solutions when wind power uncertainty is considered. Meanwhile, the comparison results demonstrate the competitive performance of the PSO-TLBO method in solving the proposed dispatch problems.
机译:随着间歇式可再生能源发电(REG)的发展,动态的多目标调度由于REG的不确定性而面临着电力系统运行的更多挑战。为了解决这些问题,基于鲁棒的多目标优化方法,制定并解决了包含能量存储(ES)的超前日最优调度问题。在提出的模型中,动态多级ES和发电机调度模式已得到优化,以降低成本和排放。具体而言,在空时域中对ES的充电/放电行为的强约束被认为可以延长其寿命。此外,制定了基于极小极大多目标优化的自适应鲁棒模型,以找到适用于不确定REG变化的最佳调度解决方案。此外,采用了一种有效的优化算法,即混合多目标粒子群优化和基于教学学习的优化(PSO-TLBO),以寻求所提出调度模型的最优Pareto前沿。该方法已在与风能和ES集成的电力系统上进行了测试。数值结果表明,在考虑风电不确定性的情况下,鲁棒的多目标调度模型可以较好地满足求解要求。同时,比较结果证明了PSO-TLBO方法在解决所提出的调度问题上的竞争性能。

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