A Hybrid LC Resonant Circuit With Integrated Variable Active Impedance Module

Le résumé fourni par la source

This paper proposes a hybrid LC resonant circuit solution based on the active impedance module. Compared to passive resonant circuits with fixed resonant frequencies, which are prone to component parameter shift, the proposed hybrid LC resonant circuit can adjust the resonant frequency. It also maintains frequency stability under component parameter shift and different operating conditions. The paper further presents a control method for the resonant frequency and analyzes its impedance characteristics. Based on the proposed circuit solution and design process, a light-weight hybrid LC resonant circuit prototype is developed. To verify the hybrid LC resonant circuit, a 4000-W single-phase AC-DC converter test platform is constructed. Then, the feasibility of the proposed solution is verified in both steady-state and dynamic experiments.

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