考虑源-储协同优化的区域综合能源系统经济调度Economic Dispatch of Regional Integrated Energy System Considering Sourcestorage Collaborative Optimization
姜涛,许真,张劲松,周炜然,周慧娟
JIANG Tao,XU Zhen,ZHANG Jinsong,ZHOU Weiran,ZHOU Huijuan
摘要(Abstract):
针对冬季CCHP(冷热电联供)与热电负荷供需矛盾问题,建立源-储协同运行的RIES(区域综合能源系统)优化模型。源侧对系统热电耦合环节进行优化,采用ASHP(空气源热泵)将风电转化为调峰热源,扩大风电并网空间,同时分析ASHP变工况运行模式下系统风电消纳偏差;储侧根据蓄热装置热能时移特性,建立基于RIES运行状态的蓄热罐蓄、放能模型,提高CCHP热电调节能力。综合考虑新增ASHP与储热装置投资成本、运行约束等,以日前阶段RIES调度成本最优为优化目标,采用CPLEX对其求解。算例分析结果表明:源-储协同优化能够有效改善CCHP热电调节能力,提高系统经济与环境效益。
Given the contradiction between combined cooling,heating and power(CCHP)and the supply and demand of heat and power load in winter,a regional integrated energy system(RIES)optimization model with coordinated source-storage operation was established. On the source side,the system thermoelectric coupling link was optimized,and ASHP(air source heat pump)was used to convert wind power into peak-regulating heat source to expand the connection space of wind power,and wind power consumption deviation under the variable operating mode of ASHP was analyzed;on the storage side,according to the thermal energy time-shifting characteristics of the thermal storage device,an energy storage and discharge model for thermal storage tank based on the RIES operation state was established to improve the thermoelectric regulation capacity of CCHP. The investment cost and operation constraint of the new ASHP and thermal storage device were considered,and the day-ahead optimal RIES dispatching cost was the optimization objective,and CPLEX was used to solve it. The analysis results show that the synergistic source-storage optimization can effectively improve the thermoelectric regulation capacity of CCHP and enhance the economic and environmental benefits of the system.
关键词(KeyWords):
弃风;区域综合能源系统;空气源热泵;热能时移;经济调度
wind curtailment;regional integrated energy system;air source heat pump;time shift of thermal energy;economic dispatch
基金项目(Foundation):
作者(Author):
姜涛,许真,张劲松,周炜然,周慧娟
JIANG Tao,XU Zhen,ZHANG Jinsong,ZHOU Weiran,ZHOU Huijuan
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- 弃风
- 区域综合能源系统
- 空气源热泵
- 热能时移
- 经济调度
wind curtailment - regional integrated energy system
- air source heat pump
- time shift of thermal energy
- economic dispatch