摘要
将基于资源协调的分散优化算法应用到电力合约市场的阻塞管理问题中。ISO将可能阻塞的线路容量看作公共的全局资源,分配给各合约交易商,并通过与交易商交换必要的信息实现最优的线路容量分配。该分散优化方法中,ISO可在不要求用户私人信息的条件下实现社会效益最优,同时迭代过程中的解总是保持可行,因此更加适用于电力市场环境。该文建立了相应的数学模型,提出求解算法和步骤,并证明了与集中优化解的一致性。最后用IEEE-30节点的算例,验证了该方法的有效性。
The paper proposed a novel decentralized approach for congestion management via Optimal Resource Allocation (ORA) for the forward markets. The available capacities of possible congested transmission lines are considered as commonly shared resources for bilateral and multilateral transactions in the market. Each transaction maximizes its profit using limited capacity of transmission line allocated by the ISO. Through the proposed decentralized optimization algorithms, the ISO searches the optimal allocation of the capacities of congested transmission lines to the individual transactions and finally the same market efficiency (social welfare) as centralized optimization is achieved. This decentralized approach is more suitable for power market environment since it does not require private and sensitive information submission from individual transactions to the 1SO and the resource allocation decision is always feasible during iterations. The mathematical model, calculation procedure and relevant proof are presented. The computer test results from the IEEE 30 bus system show clearly the effectiveness of the approach and its consistency with the centralized optimization.
出处
《中国电机工程学报》
EI
CSCD
北大核心
2006年第22期46-53,共8页
Proceedings of the CSEE
基金
国家自然科学基金项目(50337010)
国家重点基础研究发展规规划项目(2004CB217900)
电力系统保护与动态安全监控教育部重点实验室开放基金项目(KW02003)。~~
关键词
阻塞管理
最优潮流
资源协调
分散优化
电力市场
congestion management
optimal power flow
resource allocation
decentralized optimization
power market