US 12,438,457 B1
Voltage converter for DC power systems
Yaqub Alhussain Mahnashi, Dhahran (SA)
Assigned to KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, Dhahran (SA)
Filed by KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, Dhahran (SA)
Filed on Jun. 20, 2025, as Appl. No. 19/243,779.
Application 19/243,779 is a continuation of application No. 18/521,592, filed on Nov. 28, 2023, granted, now 12,355,348.
This patent is subject to a terminal disclaimer.
Int. Cl. H02M 3/07 (2006.01); H02M 1/00 (2006.01); H02M 1/088 (2006.01)
CPC H02M 3/07 (2013.01) [H02M 1/0095 (2021.05); H02M 1/088 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A voltage converter for a DC power system, comprising:
an input terminal;
a DC source selected from the group consisting of a rechargeable battery, a solar array and combinations thereof;
wherein the input terminal is configured to receive an input voltage from the DC source;
a negator circuit coupled to the input terminal, wherein the negator circuit comprises:
a capacitor, a first pair of switches and a second pair of switches connected in a H-bridge configuration, wherein a first switch of the second pair of switches is connected to the input terminal on a first end and to a first common point on a second end, wherein a first switch of the first pair of switches is connected to the first common point on a first end and a first ground terminal on a second end, wherein a second switch of the second pair of switches is connected to a second common point on a first end and a second ground terminal on a second end, wherein a second switch of the first pair of switches is connected to the second common point on a first end and to an output of the negator circuit on a second end, and wherein the capacitor is coupled between the first common point and the second common point;
a switched-capacitor converter, wherein a first input of the switched-capacitor converter is coupled to the input terminal, and wherein a second input of the switched-capacitor converter is coupled to the output of the negator circuit;
a control unit connected to the negator circuit and the switched-capacitor converter; and
an output terminal coupled to an output of the switched-capacitor converter.