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:
Mar. 03, 2026
Filed:
Feb. 21, 2024
Huawei Digital Power Technologies Co., Ltd., Shenzhen, CN;
Huawei Digital Power Technologies Co., Ltd., Shenzhen, CN;
Abstract
A power converter includes a power conversion circuit, a relay, and a controller. The power conversion circuit can be configured to implement conversion from a direct current to an alternating current. The relay can be configured to implement on-grid and off-grid switching. The controller can be configured to control switch-on/off of switches in the power conversion circuit and the relay. When a positive direct current bus has a short circuit to ground, the controller switches off a relay of a corresponding phase when any phase of grid voltage is negative. When a negative direct current bus has a short circuit to ground, the controller switches off a relay of a corresponding phase when any phase of grid voltage is positive.