文章基本信息

标题：Unknown Input Observer Based Robust Actuator Fault Detection and Isolation in Interconnected Power Systems
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作者：V. M. İstemihan GENC ; Fikret CALİSKAN
期刊名称：Balkan Journal of Electrical & Computer Engineering
印刷版ISSN：2147-284X
出版年度：2019
卷号：7
期号：1
页码：6-14
DOI：10.17694/bajece.470308
语种：English
出版社：Kirklareli University
摘要：In this paper, the performance degradation of agenerating unit in a multi-area power system regulated by an area-wisedecalized load frequency control is detected and isolated via a scheme ofunknown input observers. This scheme is robust to the changes in the loaddemand, which are considered as the unknown inputs. The actuator faults studiedin this work are meant to be the performance degradations in generating unitsunder load frequency control. Both stuck and non-stuck actuator faults areanalyzed and the performances of the proposed method in both cases are testedthrough computer simulations on a two-area power system composed of fivegenerating units. The results show that a performance degradation in anygenerating unit can be detected and isolated successfully provided that thefaults in the sensors measuring generator outputs are absent.
关键词：fault diagnosis;load frequency control;fault detection and isolation;actuator fault;power generation control