Abstract
This paper presents an alternative to electrical configuration of capacitive energy harvesters with multiple transducers. The configuration is constructed to combine all the transducer outputs into a single output and performs identically to the linear two-port model. Further development of a power electronic interface circuit is investigated by circuit simulation. The circuit is used to convert the AC outputs of the harvester to a DC voltage and has a tunable resistive input impedance. The introduced topology shows a significant improvement in comparison with the conventional circuit using a full bridge rectifier. The maximum output power is two times higher when the losses of electronic components are taken into account.
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