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.

Date of Patent:
Jun. 16, 2026

Filed:

Jun. 18, 2024
Applicant:

Sungrow Renewables Development Co., Ltd., Hefei, CN;

Inventors:

Yanhu Zhang, Hefei, CN;

Pengpeng Chen, Hefei, CN;

Jiankai Chen, Hefei, CN;

Shaokun Zou, Hefei, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 3/46 (2026.01); H02J 3/007 (2026.01); H02J 101/24 (2026.01);
U.S. Cl.
CPC ...
H02J 3/46 (2013.01); H02J 3/0075 (2020.01); H02J 2101/25 (2026.01);
Abstract

An MPPT control method and device, and a storage medium are provided. Power loss at the direct-current side of the photovoltaic inverter and conversion efficiency loss in an inverter circuit in the photovoltaic inverter affect efficiency of the photovoltaic inverter. The direct-current loss indicates power loss occurring at a direct-current side of the photovoltaic inverter. The conversion efficiency loss indicates power loss in the inverter circuit. The photovoltaic inverter is MPPT controlled based on the direct-current loss and/or the conversion efficiency loss. Therefore, the efficiency of the photovoltaic inverter can be improved based on the direct-current loss and/or the conversion efficiency loss, thereby increasing energy yield of the photovoltaic system.


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