(King Fahd University of Petroleum & Minerals, Saudi Arabia)(2) Yousif Ahmed Al-Wajih
(King Fahd University of Petroleum & Minerals, Saudi Arabia)(3) Magdi S. Mahmoud
(King Fahd University of Petroleum & Minerals, Saudi Arabia)(4) Mutaz M. Hamdan
(National University College of Technology, Jordan)*corresponding author
AbstractWith the intimate integration of power grids and cyber networks, limited bandwidth and packet delay have a rapidly expanding negative impact on power system performance. The presented multi-area interconnected power system consists of four areas, each including thermal and hydro-generation plants. This paper investigates the stability analysis problem for cyber-physical systems with a round-robin communication protocol under mixed cyberattacks and load changes. The objective is to stabilize a multi-area interconnected power system (MAIPS) using a static feedback controller while minimizing the defined performance function. Then, the stability of the MAIPS is characterized when the system is subjected to a transmission delay while considering predetermined limits for the duration and the frequency of the delay. Our findings indicate that time delays can influence system stability and that choosing an appropriate sampling interval is necessary to ensure the stability of the system. Finally, an illustrative example of three areas of interconnected power systems with several scenarios is presented to verify the effectiveness of the proposed method.
KeywordsStability analysis; output feedback; transmission delay; multi-areas power system
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DOIhttps://doi.org/10.31763/ijrcs.v3i3.928 |
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