Résumé

Partial Power Converters (PPCs) are a promising solution in power conversion systems due to their potential for reduced cost, weight, volume, and power losses. This paper presents a Transformer-Less Partial Voltage Converter (TLPVC) designed to regulate the currents in multi-MPPT photovoltaic systems, avoiding the use of bulky and lossy transformers often required in conventional PPC architectures. The proposed topology enables semiconductors with a lower voltage rating, while also supporting grounding configurations to mitigate Potential Induced Degradation (PID) and ensuring fault tolerance. Comparative simulations between the TLPVC with a reference architecture have been carried out to evaluate its performance.