  This paper proposes a power system architecture and control for efficient and
low-cost green hydrogen production. The proposed system integrates photovoltaic
(PV) sources directly with an electrolyser stack, thereby eliminating the need
for traditional power converters. With the removal of traditional power
converters, maximum power point tracking is achieved through dynamic switching
of electrolyser cells in the stack, enabling load variation to maintain optimal
voltage for maximum power output. The demonstration methodology involves
comprehensive MATLAB Simulink analysis of the integrated system performance
through controlled PV-electrolyser interactions.
