通过最优断路提高电力系统的鲁棒性

Haicheng Tu, Yongxiang Xia, H. Iu, Chi K. Tse
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引用次数: 3

摘要

电网中发生的级联故障降低了这类复杂系统的鲁棒性。在级联过程中,链接对于故障的传播至关重要。那么,关闭一些链路可能有助于提高网络的鲁棒性。在本文中,考虑到电气特性和复杂的网络结构,我们试图评估如何通过关闭一组传输链路来提高IEEE 118总线的鲁棒性。采用进化算法实现最优性能。仿真结果表明,该策略能够以较低的成本有效地减轻级联故障对电力系统造成的损害。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Improving robustness of power systems via optimal link switch-off
Cascading failures happened in power grids degrade the robustness of such complex systems. In the cascading process, links can be critical for the propagation of failures. Then It is possible that switching off some links may help the network improve its robustness. In this paper, with the consideration of both the electrical characteristics and complex network structure, we try to assess how the robustness of the IEEE 118 Bus can be improved by switching off a set of transmission links. An evolution algorithm is applied to achieve the optimal performance. Simulation results show that the proposed strategy can effectively relieve the damage to the power system caused by cascading failures at a low cost.
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