AbstractThe solar power generation system is being increasingly connected to the low power distribution system due to its low cost and abundant availability. The interconnection of the solar power generation system demands new and efficient power converters to provide sufficient boost factor for the solar panel output voltage. This paper presents a Modified Coupled Inductor, Capacitor Multiplier (MCICM) direct current (DC)–DC boost converter to provide high boost factor for the solar panel output voltage and to maximize the benefits of the grid‐interfacing three‐phase three‐wire inverter. The fuzzy logic‐based DC‐link voltage controller and hysteresis current controller (HCC) are also proposed to enhance the power transfer ability of the small power grid‐connected inverter. The new topology of boost converter constructed with the coupled inductors, capacitor, and high‐frequency transformers is demonstrated through the series of tests carried out with extensive MATLAB/Simulink simulation studies. The SPARTAN 3 field‐programmable gate array (FPGA)‐based prototyping model validated the performance of the proposed topology, experimentally.