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:
Sep. 22, 2026
Filed:
Mar. 27, 2025
Huawei Digital Power Technologies Co., Ltd., Shenzhen, CN;
HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A photovoltaic system includes an active protection switch, a direct current-direct current conversion circuit, and a controller. The active protection switch is configured to connect to a photovoltaic module, and the direct current-direct current conversion circuit. The direct current-direct current conversion circuit is configured to connect to a load. The controller is configured to: when a reverse current of a photovoltaic unit is greater than or equal to a current threshold, deliver, to the active protection switch based on an input voltage of the direct current-direct current conversion circuit, a breaking instruction used to trigger the active protection switch to be turned off; and when the active protection switch is not effectively turned off within preset duration after the breaking instruction is delivered to the active protection switch, regulate the input voltage of the direct current-direct current conversion circuit to be less than or equal to a first voltage threshold.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile