以网络为基础的大规模电力系统计算示范应用研究

Demonstrating application of web-based large-scale power system calculations

电力网格是网格技术和电力监控与自动化调度技术相结合的产物.电力网格具有整合电力系统现有仿真数据和各种计算资源的能力,并提供并行/分布式高性能计算,因此可以协助解决大规模电力系统仿真计算问题.介绍了电力网格的概念、特点及结构,并通过以网络为基础的电力系统机电特性并行化仿真示范实例分析,提出了机电特性通用分布式仿真体系.在该体系下,开发了基于脚本的计算环境,在单机/共享内存机/集群机/网格计算模式下自动并行化执行计算任务,实现了基于电力网格技术的动态安全评估数据级/功能级并行应用示范.

Power grid is the jointly developed of power system monitoring and dispatching. applications of grid-computing technology and technologies With the introduction of power grid to deal with large-scale power system simulations, the distributed power system data and computational resources can be well organized, and significant paralleL/distributed simulation speedup can be achieved. In this paper, the concept, features and framework of power grid are presented. The adaptive distributed simulation architecture of electromechanical characteristics is proposed based on analyzing the real parallel simulation systems. A script-based architecture is developed to automatically parallelize given computational tasks in the grid environment consisting of single-processor personal computers, shared-memory multiprocessor servers, clusters and high-performance computers. On this prototype platform, the data parallelism and task parallelism of dynamic security assessment is implemented and demonstrated.