Analysis and modeling of wireless power transfer supported by quadratic boost converter interfaced fuel cell power source

Abstract

This study presents a novel wireless power transfer (WPT) system structure that transmits electrical energy from a fuel cell (FC) stack integrated with a quadratic boost converter (QBC). The main objective of the proposed study is to provide a high voltage conversion QBC based WPT system to transfer power from a low voltage FC energy unit. To adjust the power flow from the FC unit with nonlinear production behavior, a pre-regulating WPT system is developed with QBC located on the transmitting side. Besides, the design procedure of the system with analytical equations is expressed in detail. To validate the viability and effectiveness of the proposed WPT system, a 100 W proof-of-concept model is developed with Horizon H-100, and analyzed for different case studies, including dynamic operating and loading conditions. The constructed WPT system is performed for 80%, 90%, and 100% loading situations. At full loading, the performance results show that the load-side consumes power in the rating of 77.8 W while the FC power source generates approximately 93.1 W. In this case, the efficiency of the system corresponds to 83.6%. Besides, the efficiency of the complete system is analyzed under various operating conditions.