Multi-Agent-Based Coordinated Voltage Regulation Technique in an Unbalanced Distribution System

Swathi Tangi, Dattatraya N. Gaonkar, Ramakrishna S S Nuvvula (), Ahmed Ali () and Syed Riyaz Ahammed
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Swathi Tangi: Department of Electrical and Electronics, Manipal Institute of Technology, Manipal Academy of Higher Education (MAHE), Manipal 576104, India
Dattatraya N. Gaonkar: Department of Electrical and Electronics, National Institute of Technology Karnataka, Surathkal 575025, India
Ramakrishna S S Nuvvula: Department of Electrical and Electronics, NMAM Institute of Technology (NMAMIT), Nitte (Deemed to be University), Mangalore 575018, India
Ahmed Ali: Department of Electrical and Electronic Engineering Technology, Faculty of Engineering and the Built Environment, University of Johannesburg, Johannesburg 2006, South Africa
Syed Riyaz Ahammed: Department of Electronics and Communication, NMAM Institute of Technology (NMAMIT), Nitte (Deemed to be University), Mangalore 575018, India

Energies, 2025, vol. 18, issue 21, 1-29

Abstract: Unbalanced active distribution networks must be carefully analyzed to minimize undesirable implications from internal unbalances and the incorporation of intermittent sources, such as DG (Distributed Generation). A coordinated voltage regulation mechanism is being created employing a MAS (Multi-Agent System) control structure to solve the difficulties mentioned earlier. The proposed technique increases coordination between DGs and Shunt capacitors (SCs) to optimize the voltage profile and reduce overall power losses, along with voltage and current unbalanced factors in the proposed unbalanced 3-phase radial distribution network. To ensure improved real-time monitoring, PMUs (Phasor Measurement Units) measure the state parameters of the above-regulated distribution network in realtime. Because it does not necessitate the placement of PMUs at all nodes for total network observability, it is a cost-effective technique for estimating network state. The IEEE standard, a 25-bus unbalanced 3-phase distribution network feeder, is used to assess the viability of the recommended technique. MATLAB R2024a programming is used to simulate the case studies.

Keywords: unbalanced distribution network; voltage regulation; phasor measurement unit; multi-agent system; distributed generation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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