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Speed-up the computing efficiency of power system simulator for engineering-based power system transient stability simulations

机译:加快基于工程的电力系统暂态稳定性仿真的电力系统模拟器的计算效率

摘要

Power system simulator for engineering (PSS/E) has gained great success in power energy industry for its powerful simulation and analysis functions. Along with market deregulation, power system planning and stability analysis warrants more effective and faster techniques owing to the ever-expanding large-scale interconnection of power networks. Running large-scale system multiple case studies on PSS/E can be computationally very expensive and in some cases, simplifications have to be made in order to obtain some results. PSS/E dynamic simulations are accelerated with EnFuzion-based distributed computing method in this study. This approach is proved to be effective by testing with 39-bus New England power system under 'N-1', 'N-2' and 'N-1-1' contingencies analysis, and re-dispatch after disturbance with optimal power flow. The results show that the simulation process can be speeded up dramatically and the total elapsed time can be reduced proportionally with the increase of computer nodes.
机译:工程用电力系统模拟器(PSS / E)凭借其强大的仿真和分析功能在电力能源行业中获得了巨大的成功。随着市场的放松管制,由于电网的大规模互连不断扩大,电力系统规划和稳定性分析保证了更有效,更快的技术。在PSS / E上运行大型系统的多个案例研究可能在计算上非常昂贵,并且在某些情况下,必须进行简化才能获得一些结果。在这项研究中,基于EnFuzion的分布式计算方法加快了PSS / E动态仿真的速度。通过在'N-1','N-2'和'N-1-1'意外情况分析下对39座新英格兰电力系统进行测试,并在干扰后以最佳潮流重新调度,该方法被证明是有效的。结果表明,随着计算机节点的增加,仿真过程可以大大加快,总的经过时间可以成比例地减少。

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