The planning method of new energy distribution network in plateau area based on local accommodation

Wanjun Wu, Min Zhang, Changming Mo, Yi Cao, Shaobo Chai
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Abstract

The planning method of new energy distribution network in plateau area based on local accommodation is studied to improve the local accommodation capacity of new energy distribution network in plateau area. The framework of new energy distribution network planning in the plateau area is constructed, and the distribution network equipment suitable for the plateau environment is selected based on the harsh environment in the plateau area; in the framework of new energy distribution network planning in plateau area, a bi-level planning model considering multi-flexible resource coordinated scheduling and energy storage is established. The upper level planning model takes the maximum accommodation of new energy as the objective, and the lower level planning model takes the optimal daily operation benefit of energy storage under the given configuration as the optimization objective; the probabilistic power flow method and C-PSO are used to solve the bi-level model. The experiment shows that this method ensures the stability of the new energy distribution network in the plateau area, reduces the amount of abandoned wind energy and the operating cost, and improves the local accommodation capacity of the core higher than the distribution network.
基于地方适应性的高原地区新能源配电网规划方法
研究基于就地消纳的高原地区新能源配电网规划方法,提高高原地区新能源配电网的就地消纳能力。构建了高原地区新能源配电网规划框架,根据高原地区恶劣的环境,选择适合高原环境的配电网设备;在高原地区新能源配电网规划框架下,建立了考虑多灵活资源协调调度和储能的双层次规划模型。上层规划模型以新能源最大容纳量为目标,下层规划模型以给定配置下储能日运行效益最优为优化目标,采用概率功率流法和 C-PSO 求解双层模型。实验表明,该方法保证了高原地区新能源配电网的稳定性,降低了弃风量和运行成本,提高了核心网高于配电网的就地消纳能力。
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