Back to results
US 2026/0196940 A1Published application
Supercapacitor-Integrated Power Conversion System
AssigneeAA Power Inc.
InventorQun Lu
Life of this patent
Estimating the term…
Abstract
A power conversion system includes a plurality of power factor correction converters connected between an ac power source and an intermediate voltage bus, a plurality of capacitors coupled to the intermediate voltage bus, wherein the plurality of capacitors is configured as holdup capacitors and a temperature of the plurality of capacitors is controlled by a liquid cooling system, and a plurality of power converters connected between the intermediate voltage bus and an output voltage bus.
Claims20
A power conversion system comprising:
- a plurality of power factor correction converters connected between an ac power source and an intermediate voltage bus;
- a plurality of capacitors coupled to the intermediate voltage bus, wherein the plurality of capacitors is configured as holdup capacitors and a temperature of the plurality of capacitors is controlled by a liquid cooling system;
- and
- a plurality of power converters connected between the intermediate voltage bus and an output voltage bus.
1 more element
A method comprising:
- providing a power conversion system comprising a plurality of power factor correction converters connected between an ac power source and an intermediate voltage bus, a plurality of capacitors coupled to the intermediate voltage bus, and a plurality of power converters connected between the intermediate voltage bus and an output voltage bus;
- and
- configuring a liquid cooling system to control a temperature of the plurality of capacitors below a predetermined temperature threshold.
A system comprising:
- a plurality of power factor correction converters connected between an ac power source and an intermediate voltage bus;
- a plurality of power converters connected between the intermediate voltage bus and an output voltage bus;
- and
- a plurality of electrolytic capacitors and a plurality of supercapacitors coupled to at least one of respective inputs of the plurality of power factor correction converters, the intermediate voltage bus and the output voltage bus, wherein the plurality of electrolytic capacitors and the plurality of supercapacitors form a hybrid energy charge/discharge apparatus configured to buffer power variations in the system.
1 more element
Dependencies are inferred from the claim text.