Enhanced two-stage (photovoltaic-diesel) pumping system using DC-link voltage based speed reference and backstepping MPPT controller

Key Points

• This research aims to enhance the performance of a photovoltaic-diesel pumping system through a novel controller method.
• Developed a two-stage photovoltaic-diesel pumping system.
• Implemented a DC-link voltage based speed reference for better control.
• Utilized a backstepping MPPT controller for optimal energy extraction.
• Achieved significant improvements in system efficiency compared to traditional setups.
• Enhanced energy output stability during varying load conditions.
• Demonstrated reduced operational costs associated with diesel fuel consumption.