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A Microgrid Capacity Optimization Method Considering Carbon Emission Cost

机译：考虑碳排放成本的微电网容量优化方法

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摘要

Microgrid is an important form of utilizing distributed renewable energy as well as a key link to realize low carbonization of the power grid. In this paper, a double-layer optimization method considering carbon emission cost is proposed to determine the optimal capacity of a microgrid. Specifically, the outer-layer optimization focuses on solving the optimal capacity of microgrid and the inner-layer optimization focuses on optimizing the allocation of different power generation units considering carbon emission cost. Besides, the formulated double-layer optimization model also considers uncertainties in multiple-time scales. In the outer layer, a robust coordination indicator is proposed to deal with energy balance in the long-time scale, while in the inner layer, a forecasting error indicator is proposed to deal with power balance in the short-time scale. Finally, an island microgrid is taken as an example to testify the impact of carbon emission cost on microgrid planning. Simulation results verify the validity of the proposed model and method.
机译：MicroGrid是利用分布式可再生能源的重要形式以及实现电网的低碳化的关键环节。本文提出了一种考虑碳排放成本的双层优化方法，以确定微电网的最佳能力。具体地，外层优化侧重于求解微电网的最佳容量，并且内层优化侧重于考虑碳排放成本的不同发电单元的分配。此外，配制的双层优化模型也认为在多级尺度中的不确定性。在外层中，提出了一种稳健的协调指示器来处理长时间尺度的能量平衡，而在内层中，提出了预测误差指示符以在短时间规模处理功率平衡。最后，将岛屿微电器作为示例，以证明碳排放成本对微电网规划的影响。仿真结果验证了所提出的模型和方法的有效性。

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