Modeling of Current-Controlled High-Voltage Direct Current Transmission Systems in Advanced Power System Analysis

This file contains a MATLAB-based model for current-controlled high-voltage direct current transmission systems in advanced power system analysis. The implementation utilizes MATLAB code compatible with earlier versions to ensure accessibility on most computer systems. The primary objective of this model is to investigate current control mechanisms in HVDC transmission systems, providing valuable references for power engineering research. The code implements various current control algorithms with detailed performance analysis and comparative evaluations through MATLAB's Simulink environment and control system toolbox. Additionally, the model incorporates adjustable power system parameters to assess applicability under different operating conditions, including modifications to grid impedance, converter characteristics, and controller gains. The implementation features modular code structure with separate function blocks for converter control, current regulation, and system stability analysis. Overall, this model is designed to help power engineers better understand HVDC transmission systems through hands-on simulation and algorithm testing.