Development of a Smart Three-Phase Distribution System Load Balancer Using DsPIC Microcontroller

Muhammad Uthman, Mustapha I. Balami

Abstract


This paper presents the development and testing of a Smart Three-Phase Distribution System Load Balancer utilizing a DsPIC microcontroller, tailored to address the critical issue of load imbalance within modern power distribution networks. The system incorporates advanced components such as the ACS758ECB-200B-PFF-T current sensor, the ULN2803 relay driver, and a 20x4 LCD unit for real-time monitoring and user interface. The integration of reliable protection mechanisms, including safeguards against overvoltage, undervoltage, and short circuits, ensures the security and longevity of both the connected loads and the distribution network. The experimental testing, conducted via the Proteus 8 CAD suite, validates the system's efficacy in managing diverse load configurations and maintaining a stable distribution across the three phases, as evidenced by minimal Phase Unbalance Indices (PUIs). The Smart Three-Phase Distribution System Load Balancer represents a promising solution for enhancing the efficiency, reliability, and longevity of modern three-phase distribution systems, thereby contributing to the overall resilience and sustainability of contemporary power grids.


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