An Optimal Distributed Low Frequency Control Framework for Network-based Interconnected Power Systems Featuring Communication Network Delay
سال انتشار: 1401
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 209
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شناسه ملی سند علمی:
JR_SPRE-6-1_002
تاریخ نمایه سازی: 9 اسفند 1400
چکیده مقاله:
Nowadays, the use of networked control system (NCS) technologies in modern power systems is on the rise owing to the expansion of electric energy distribution systems and the advent and development of new communication-based technologies. However, the modern network-based energy systems are constructed from some coupled subsystems interconnected via their states and share their information through the communication networks featuring inherent time delays. In this article, an efficacious multi-agent-based cooperative distributed economic model predictive control is developed to damp the frequency fluctuations and reduce the cost of consumed electricity in networked-based smart energy systems by considering communication network inherent delays. In this regard, a buffer-based moving horizon strategy with an estimator is suggested to estimate the own states of every sub-system and the coupled states, i.e., those that their information exchange among sub-systems and their values are not accessible due to communication time delays. Moreover, the boundedness of the estimation error and the stability of the closed-loop system are established by this method. The usability and proficiency of the suggested scheme are proved by applying the developed approach for an interconnected power grid.
کلیدواژه ها:
Networked Control System ، Distributed model predictive control ، Time delay ، Low frequency control ، Moving horizon strategy
نویسندگان
Alireza Nazmadini
Department of Electrical Engineering, Kerman Branch, Islamic Azad University, Kerman, Iran.
Alimorad Khajehzadeh
Department of Electrical Engineering, Kerman Branch, Islamic Azad University, Kerman, Iran.
Mehdi Jafari Shahbazzadeh
Department of Electrical Engineering, Kerman Branch, Islamic Azad University, Kerman, Iran