arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1902.08893eess.SYcs.SYmath.DS
收藏

不等式约束系统中临界清除时间的敏感性

Critical Clearing Time Sensitivity for Inequality Constrained Systems

Chetan Mishra, Anamitra Pal, Virgilio A. Centeno

AI总结:

本文研究了不等式约束系统中临界清除时间对系统参数变化的敏感性,通过轨迹敏感性方法推导了约束电力系统的首次灵敏度,并展示了系统运行条件和惯性等参数变化对角度和频率约束满足能力的影响。

摘要:

从稳定性角度来看,富含可再生能源(RG)的电力系统是一个受约束的系统。由于受约束系统的准稳定性边界在结构上与无约束系统有很大不同,因此找到临界清除时间(CCT)对系统参数变化的敏感性对受约束的电力系统非常有益,特别是对于系统保护设置引起的约束规划/修订。本文通过故障发生和故障后轨迹的轨迹敏感性,推导了受约束电力系统的首次灵敏度。测试系统的实验结果展示了满足角度和频率约束能力与系统参数如运行条件和惯性等变化之间的依赖关系。

英文摘要:

From a stability perspective, a renewable generation (RG)-rich power system is a constrained system. As the quasistability boundary of a constrained system is structurally very different from that of an unconstrained system, finding the sensitivity of critical clearing time (CCT) to change in system parameters is very beneficial for a constrained power system, especially for planning/revising constraints arising from system protection settings. In this paper, we derive the first order sensitivity of a constrained power system using trajectory sensitivities of fault-on and post-fault trajectories. The results for the test system demonstrate the dependence between ability to meet angle and frequency constraints, and change in power system parameters such as operating conditions and inertia.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑