Reconfiguration of electricity distribution networks to increase resilience and reliability using fuzzy objective functions and game theory

Document Type : Original Article

Authors

1 Associate Professor, Department of Electrical Engineering, Ayatollah boroujerdi university, Boroujerd, Iran

2 Abru university

Abstract

Distribution networks, the final stage delivering electricity to consumers, are a major source of inefficiency in power systems. These networks suffer from high energy losses, decreasing overall system efficiency and voltage regulation problems. Restructuring these networks presents a promising solution. Not only can it reduce losses and improve resilience during outages, but it can also accommodate the growing presence of distributed generation sources.

This article proposes a novel, multi-objective optimization method for distribution network reconfiguration. It aims to achieve three key goals: minimizing energy losses, increasing the use of distributed generation, and reducing unsupplied energy. The method utilizes fuzzy logic and game theory to navigate the complexities of these sometimes conflicting objectives. Finally, a powerful algorithm called particle swarm optimization helps identify the optimal network reconfiguration, ensuring all objectives are met simultaneously.

The effectiveness of this method is demonstrated by applying it to standard IEEE 33 and 69 bus networks. The results are encouraging, showing reductions in energy losses, improved voltage stability, and minimized outages during disruptions. This paves the way for a more efficient, resilient, and sustainable power grid that integrates renewable energy sources seamlessly.

Keywords


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  • Receive Date: 09 February 2024
  • Revise Date: 16 March 2024
  • Accept Date: 29 June 2024
  • Publish Date: 26 October 2024