平抑出力波动的风光储联合发电系统容量优化配置方法

发布时间：2018-09-10 13:08

【摘要】：利用风能和太阳能在时间和地域上的天然互补性以及储能装置对于电能的可存储性,合理配置风光储联合发电系统各组件容量,可使系统输出功率保持平稳,提高电能质量,降低对电网的冲击。针对大规模风光储联合发电系统,基于风速和太阳能资源历史数据,采用峰谷斜率总和,输出功率波动率和有功功率偏差率为评价指标,以评估期所有数据片段内各指标值的概率分布情况和各指标在波动阈值范围内的概率变化率评价系统出力波动性。并提出了一种以不同容量配置方案下的风光出力波动性分析为基础,以系统出力变化率满足要求的概率最大为目标的风光储联合发电系统容量优化配置方法,并通过具体算例验证了本文所提方法的可行性。
[Abstract]:Utilizing the natural complementarity of wind energy and solar energy in time and region, and the storage ability of energy storage device for electric energy, the system output power can be kept steady and the power quality can be improved by reasonably allocating the capacity of each component of the wind energy storage combined generation system. Reduce the impact on the grid. Based on the historical data of wind speed and solar energy resources, the total peak and valley slope, the fluctuation rate of output power and the deviation rate of active power are used as the evaluation indexes for the large-scale wind energy storage combined generation system. The probabilistic distribution of each index value in all data segments in the evaluation period and the probability change rate of each index in the range of fluctuation threshold are used to evaluate the system output volatility. Based on the fluctuation analysis of wind-output force under different capacity configuration schemes and aiming at the maximum probability that the system output rate can meet the requirements, a method for optimal allocation of the capacity of wind-storage combined generation system is proposed. The feasibility of the proposed method is verified by an example.
【作者单位】：广东电网公司规划研究中心;国网山西省电力公司电力经济技术研究院;
【基金】：国家科技支撑计划项目(2013BAA02B01)
【分类号】：TM61

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