计及需求响应策略的含风电场的机组组合优化模型  

Optimization Model of Unit Commitment with Wind Farms Considering Demand Response Strategy

作　　者：李阳 蒋正华[2] 徐蔚 周杨 

机构地区：[1]广东电网发展研究院有限责任公司,广东广州510075 [2]四川大学吴玉章学院,四川成都610065

出　　处：《四川电力技术》2014年第4期40-45,共6页Sichuan Electric Power Technology

摘　　要：为了解决日益增长的风电机组并网容量对电网调度决策所带来的严峻挑战,提出了一种基于需求响应策略的含风电机组的机组组合模型。首先建立风电机组出力概率模型、常规机组的运行费用模型和启动费用模型,利用需求响应机制建立风电出力与用户负荷的关系,提出了系统运行费用最小的目标函数。在考虑机组和系统的多种约束条件下,提出了一种基于差分规则的和声搜索算法(DEHS)来求取目标函数的最优解,最后通过IEEE 30节点算例验证了模型的正确性和算法的有效性。In order to solve the severe challenge of power grid scheduling brought by the increasing grid -connected capacity of wind turbines , a kind of unit commitment model combined with wind turbines based on demand response strategy is put for -ward.Firstly, the output probability model of wind turbines , the operation cost model and startup cost model of the conven-tional unit are established .And then the correlativity between wind power output and consumers′load is established by de-mand response mechanism , and the objective function of minimum operation cost is proposed .A harmony search algorithm based on differential evolution （ DEHS） is presented to calculate the optimal solution of objective function considering the mul -tiple constraints between the unit and the system .At last, the example of IEEE 30 bus system verifies the correctness of the model and the validity of the algorithm .

关 键 词：风电功率 需求响应 差分规则 和声算法 

分 类 号：TM715[电气工程—电力系统及自动化]