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Energy Storage: Bidirectional Direct Current Converters

Search All Applications in Energy Storage: Bidirectional Direct Current Converters


Application 20190245452


Published 2019-08-08

Bidirectional Flyback Converter Circuit

A bidirectional flyback converter circuit includes a transformer with inductively coupled primary and secondary windings, primary-side and secondary-side switching elements, wherein the primary winding and secondary windings are respectively connected to a voltage input and output, where the primary-side and secondary-side switching elements are respectively arranged in series with the primary and secondary windings, where a charge capacitor is connected via a first terminal to a common potential of the primary and secondary sides, where with a second terminal, the charge capacitor is connected via a first diode to a common potential of the primary-side switching element and primary winding and via a second diode to a common potential of the secondary-side switching element and secondary winding, and where a buck converter is arranged on the input or output side, through which a voltage present at the charge capacitor can be regulated to a predeterminable value.


Classification


Slightly Less than Average Length Specification


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1 Independent Claim

  • Independent Claim 1. A bidirectional flyback converter circuit comprising: a transformer with inductively coupled primary and secondary windings, the primary winding being connected to a voltage input of the bidirectional flyback converter circuit and the secondary winding being connected to a voltage output of the bidirectional flyback converter circuita primary-side switching element arranged in series with the primary windinga secondary-side switching element arranged in series with the secondary windinga charge capacitor which is connected via a first terminal to a common potential of the primary and secondary sides, and which is connected by a second terminal via a first diode to a common potential of the primary-side switching element and primary winding and is further connected via a second diode to a common potential of the secondary-side switching element and secondary windingand a buck converter arranged on one of an the input side or the output side of the bidirectional flyback converter circuit, said a buck converter regulating a voltage present at a charge capacitor to a predeterminable value.