摘要
国家电网仿真中心基于SGI Altix 4700超级计算机及全数字实时仿真软件Hypersim建立了交直流大电网数模混合实时仿真系统,Hypersim应用LDU分解算法求解节点电压方程,对网络进行分网并行计算,分析了影响仿真系统并行计算效率的因素。三华电网仿真结果表明,该仿真系统能够满足大电网实时仿真要求,具有较高的并行计算效率。
Based on SGI Altix 4700 shared memory server and full digital real-time simulator Hypersim of National Grid Simulation Center,a digital/analog hybrid real-time simulation system for large-scale AC/DC power grid is built.To solve nodal voltage equations,LDU decomposition algorithm is applied to Hypersim simulator to divide the network and carry out parallel computation.The factors impacting parallel computing efficiency of the built simulation system are analyzed.Simulation results of UHV AC/DC power grid from the Three Gorges to East China show in the year 2015 show that the built digital/analog hybrid real-time simulation system can meet the demand of real-time simulation of large-scale power grid and possesses high parallel computing efficiency.
出处
《电网技术》
EI
CSCD
北大核心
2011年第6期34-38,共5页
Power System Technology
关键词
数模混合仿真
并行计算
实时仿真
交直流大电网
digital/analog hybrid simulation
parallel computation
real-time simulation
large-scale AC/DC power grid
