THIẾT KẾ VÀ HOÀN THIỆN HỆ THỐNG ĐIỀU KHIỂN NĂNG LƯỢNG MẶT TRỜI ỨNG DỤNG THUẬT TOÁN ĐIỆN DẪN GIA TĂNG (INC) TRÊN NỀN TẢNG ARDUINO
DOI:
https://doi.org/10.62985/j.huit_ojs.vol26.no4.675Keywords:
Maximum power point tracking (MPPT), incremental conductance (INC), ACS712, maximum power point (MPP), solar panel.Abstract
The article presents the process of designing and implementing a solar power control system that integrates the Maximum Power Point Tracking (MPPT) algorithm using the Incremental Conductance (INC) method. The system includes hardware that utilizes an Arduino microcontroller, an ACS712 current sensor, a MOSFET control circuit, and an LCD screen, along with simulation software in MATLAB/Simulink. The model is evaluated under three different light radiation conditions and electrical loads to verify the system's adaptability and stability. Simulation and experimental results show that the system responds quickly to environmental fluctuations; in tests with a 50 W-rated panel, the measured output power ranged from 19.45 to 20.66 W under the surveyed lighting conditions, demonstrating the practical applicability of the INC algorithm. Additionally, the INC algorithm offers significant advantages over traditional MPPT methods, such as Perturb and Observe (P&O), in reducing power fluctuations, achieving faster convergence, and improving MPP identification accuracy, making it suitable for small-scale renewable energy applications.
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