Design and Performance Analysis of Interleaved CUK Converter Using ADM Control Loop for Photovoltaic Applications

This paper presents an Adaptive Delta Modulation (ADM) control strategy for an interleaved CUK DC/DC converter in solar Photovoltaic PV applications. The objective is to achieve system stability and enhance dynamic performance suitable for solar power applications. The converter is developed to support a broad range of output voltages, meeting the needs of 24/48V, 12/24V, and other configurations commonly employed in solar PV systems and related renewable energy applications. This paper outlines the development and simulation results of an interleaved 24/48V CUK converter, utilizing a six-phase interleaving scheme. The control loop employs ADM technique to generate a non-conventional Pulse Width Modulation (PWM) signal, ensuring stability during the operation of the converter switches. The system's performance is extensively evaluated and analyzed under different parameter conditions. The results highlight the benefit of the ADM control method, including minimized voltage and current ripples and improved conversion efficiency. Moreover, the findings demonstrate that the output of the system remains within the specifications acceptable limits, even when subjected to input voltage variations and changing load conditions.