Strategi Starting Star-Delta Berbasis PLC untuk Pengendalian Motor Induksi Tiga Fasa yang Efisien
Keywords:
Three-Phase Induction Motor; Star-Delta Starting; Programmable Logic Controller; Motor Control; System EfficiencyAbstract
Three-phase induction motors are widely used in industrial systems due to their robustness and simple construction; however, the starting process often generates high inrush currents that may reduce system efficiency and accelerate equipment degradation. This study aims to develop and analyze a Programmable Logic Controller (PLC)-based star-delta starting strategy for efficient control of three-phase induction motors. The research method includes control circuit design, ladder logic programming on the PLC, and performance testing during the transition from star to delta connection. The results indicate that the PLC-based approach enables more precise starting time control compared to conventional systems, while simplifying system configuration and operational parameter adjustment without hardware modification. The proposed strategy improves control reliability, reduces installation complexity, and supports the requirements of modern industrial automation. Therefore, the PLC-based star-delta starting system represents an effective solution for upgrading three-phase induction motor control in industrial applications.
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