潮流计算的对等式计算模式研究

为克服当前串行和并行计算的不足,在阐述P2P的网络计算模式的优点,分析网络计算环境下潮流计算的数学模型和计算方法的基础上,研究了此计算模式的对等式管理调度、动态交互特点及调度算法,以实现应用基于P2P的网络计算模式于潮流计算。此计算模式采取静态和动态调度相结合,可灵活根据计算任务的具体情况调整计算资源拓扑结构,使负载平衡实现更容易。算例计算结果表明了此计算模式的有效性。

Research on P2P Computing Model of Load Flow Computation

The P2P network computing model which may effectively overcome some shortages of the present sequential and parallel computing model is applied to the large-scale power flow computation in this paper.The advantages of the P2P network computing model are analyzed and presented.The mathematic and computing method is put forward and analyzed based on the current-influx model.Based on the current-influx method,the power network is easily partitioned,and the relation among subtasks becomes weak.So it is very easy to be implemented in the P2P network computing environment.The P2P dispatch management and mutual management are researched in the computing model for the large-scale power flow computation.And some relevant dispatch arithmetic is studied.In this computing model,the static and dynamic dispatch methods are adopted,which may flexibly adjust the topological structure of computing network according to the present running tasks.The dispatch arithmetic of the load-balance is studied,which may transfer high load to near computing node according to the total present computing instance.So the implementation of the load balance among many subtasks becomes more easily,owning sufficient computing resources and flexible dispatch methods in the network computing environment.And the computing efficiency is enhanced totally.The proposed computing model and methods are implemented in IEEE 118-buses system.The computing results have approved the validity of this computing model.The P2P network computing model may effectively solve the large-scale flow computation,and will become one of the best simulation computation means for the large-scale electric power system.