Review of Selected Multi-Element Resonant Topologies
Abstract
The paper deals with an analysis andcomparison of multi-element resonant topologies. The
superior performance of the investigated converters
provides inherent current protection and very low
circulating energy. The converter consists of two resonant
tanks and HF transformer in case of the LCTLC topology.
The paper shows the design of the resonant elements. The
converters can achieve zero current switching (ZCS) and
zero voltage switching (ZVS) conditions for the primary and
secondary-side of the device respectively. The converters
achieve high values of power density and efficiency up to
96 % at the full load. The paper includes the basic
equations, analysis and simulation of the chosen topologies
(LCTLC, LCLCL, LCL2C2).
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