基于自激法的小干扰稳定特征值的分布式算法

Distributed AESOPS Algorithm for Eigenvalue Analysis of Small Signal Stability

由于中国电力系统的运行和管理具有分层分区的特点,传统的集中式的小干扰稳定分析方法很难满足在线计算的要求。文中基于带边界分区的互联电网切分方法,从传统的电力系统小干扰稳定分析的自激法出发,提出了小干扰稳定特征值的分布式算法。算法在计算过程中只需要各区域传递边界节点状态量等少量数据,适用于电力系统的分布式环境,具有较好的实用性。对IEEE39节点系统的验算结果证明了算法的合理性和有效性。

Since China＇ power system has the characteristics of hierarchy structure in operation and management, traditional centralized computing patterns on the small-signal stability analysis are very difficult to meet the demands of online calculation. Based on a general distributed computation model of power systems, this paper proposes a distributed eigenvalue algorithm for the small signal stability analysis of large-scale power systems derived from analysis of essentially spontaneous oscillations in power systems （AESOPS）. The algorithm only requires exchanging data of boundary nodes during cooperative computation, which is suitable to the distributed environment of power system. This algorithm has been tested on an IEEE 39-bus system and the results verify its rationality and validity.