The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 25, 2025
Filed:
Nov. 20, 2023
Abb Schweiz Ag, Baden, CH;
Salvatore Tomarchio, Dalmine, IT;
Marco Testa, Romano di Lombardia, IT;
ABB SCHWEIZ AG, Baden, CH;
Abstract
The present disclosure relates to a power supply apparatus for an electric system including an AC/DC conversion unit electrically connectable to an AC electric power source, said conversion unit being configured to receive an AC input voltage and provide in output a DC charging voltage, a capacitor bank including a plurality of storage capacitors operatively coupled to said conversion unit to be charged in parallel by said conversion unit, each storage capacitor having a first terminal configured to receive a charging current provided by said AC/DC conversion unit, a DC bus electrically connectable to one or more electric loads, said DC bus being configured to feed said electric loads with a DC feeding voltage, and a plurality of current blocking devices electrically connected between said capacitor bank and said DC bus.