摘要
随着电力系统规模增大,为了适应电力系统电磁暂态仿真对计算速度与准确性的要求,提出一种基于分块延迟插入法的输电网络细粒度并行化电磁暂态仿真方法。该算法充分考虑了输电网络中耦合器件的特性,并对节点电压,支路电流的更新操作采用全盘细粒度并行化处理,使其单步循环的节点电压、支路电流更新的算法时间复杂度降为了常数级,从算法层面上大幅度提高了仿真速度,并结合其细粒度并行性在图形处理器上实现。该文通过与PSCAD在IEEE算例的仿真结果进行对比,验证了算法的准确性。此外,相比节点分析法,该算法有效提升了大规模系统的仿真效率。
With the increment of scale of power system, in order to satisfy the requirements of power system electromagnetic transient simulation for calculation efficiency and accuracy, this paper proposed a transmission network fine-grained parallel electromagnetic transient simulation method based on block latency insertion method(Block-LIM).The algorithm fully considered the characteristics of the coupling components in the transmission network. The global fine-grained parallel processing was used for the update operations of node voltages and branch currents, so that the time complexity of the single-step loop of voltage and current update was reduced to a constant level. Thus, the simulation speed can be greatly improved from the algorithm level.Considering its fine-grained parallelism, the algorithm was implemented on GPU. This paper verified the algorithm’s accuracy by comparing the simulation results with PSCAD on IEEE standard calculation cases, and it also improved the simulation efficiency compared to the node analysis method(NAM) in the simulation of large-scale systems.
作者
陈蔚然
徐晋
汪可友
李国杰
王啟国
CHEN Weiran;XU Jin;WANG Keyou;LI Guojie;WANG Qiguo(Key Laboratory of Control of Power Transmission and Conversion(Shanghai Jiao Tong University),Ministry of Education,Minhang District,Shanghai 200240,China)
出处
《中国电机工程学报》
EI
CSCD
北大核心
2022年第7期2577-2587,共11页
Proceedings of the CSEE
基金
国家自然科学基金面上项目(51877133)
中国博士后科学基金面上项目(2020M671122)
博士后创新人才支持计划(BX20200221)。
关键词
分块延迟插入法
电磁暂态仿真
图形处理器
全局细粒度并行
block latency insertion method
electromagnetic transient simulation
graphics processing unit
global fine-grained parallel
