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. 09, 2025
Filed:
Apr. 21, 2023
Huawei Digital Power Technologies Co., Ltd., Shenzhen, CN;
Spic Qinghai Photovoltaic Industry Innovation Center Co., Ltd., Qinghai, CN;
Zhen Cao, Shanghai, CN;
Lei Shi, Shanghai, CN;
Yunfeng Liu, Shanghai, CN;
Feng Chong, Xining, CN;
Hualong Fan, Xining, CN;
Jiajia He, Xining, CN;
Shaopan Hou, Xining, CN;
Jie Zhang, Xining, CN;
Huawei Digital Power Technologies Co., Ltd., Shenzhen, CN;
SPIC Qinghai Photovoltaic Industry Innovation Center Co., Ltd., Xining, CN;
Abstract
A backfeed soft-start circuit for a photovoltaic inverter is provided. The backfeed soft-start circuit includes a plurality of branch switches. A solar photovoltaic array includes a plurality of photovoltaic modules, where the plurality of branch switches are in a one-to-one correspondence with the plurality of photovoltaic modules, and when the plurality of branch switches are turned on, the corresponding photovoltaic modules are connected to the backfeed soft-start circuit; and a primary switching switch. The branch switches is connected to a corresponding photovoltaic module, and the primary switching switch. The primary switching switch is turned on after the branch switch is turned on.