在基于生物质能的可再生能源多能互补系统经济性优化分析的基础上,优化改进电网补充以及就地消纳模型并利用LINGO求解,以此探讨其对系统的配置调度以及经济性影响。结果表明：在就地消纳基础上限制电网补充时段,系统风光相对装机比例将增大27.16个百分点,生物质利用单元相对装机比例降低23.09个百分点;在第一用电低谷期和高峰期上述方案会更优先使用风力发电,减少对电网的冲击;在第二用电低谷期风光有较多富余,富余电量优先用于储电,此外尚有约15%进行就地消纳;在第二用电高峰期,以光伏发电主导,生物质能和蓄电池辅助,不足部分由电网补充。相比仅引入就地消纳,该方案系统年运行费用降低32.5%,碳排放量降低39.1%,投资回收年限由8.29 a降至7.38 a。
Abstract
On the basis of the economic optimization analysis of the renewable energy multi-energy complementary system based on biomass energy, an optimization and improvement of the power grid supplement and local consumption models were carried out using LINGO to investigate their impact on system configuration, scheduling, and economy. The results indicate that with the grid replenishment period restricted upon local consumption, the relative installed capacity proportion of wind and solar power in the system rises by 27.16 percentage points, and that of the biomass utilization unit drops by 23.09 percentage points. During the first peak and trough periods of electricity consumption, the aforementioned scheme prioritizes the use of wind power generation to reduce impacts on the power grid. During the second trough period, there is a surplus of wind and solar energy, with a priority for surplus electricity to be used for storage. Additionally, approximately 15% is consumed locally. During the second peak period, photovoltaic generation is the primary focus, with biomass energy and batteries providing assistance, and any shortfall is supplemented by the power grid. Compared to only introducing local consumption, the system the annual operating cost of the system is reduced by 32.5%, carbon emissions are reduced by 39.1%, and the investment recovery period is reduced from 8.29 a to 7.38 a.
关键词
可再生能源 /
多能互补 /
线性规划 /
容量配置 /
优化调度 /
储能
Key words
renewable energy /
multi-energy complement /
linear programming /
capacity configuration /
optimal scheduling /
energy storage
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基金
国家重点研发计划（2018YFB1502900）
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