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:
May. 19, 2026
Filed:
Nov. 30, 2023
Applicant:
Byd Company Limited, Guangdong, CN;
Inventors:
Chunsheng Wang, Shenzhen, CN;
Boliang Xu, Shenzhen, CN;
Wei Xiong, Shenzhen, CN;
Tao Qin, Shenzhen, CN;
An Cao, Shenzhen, CN;
Assignee:
BYD Company Limited, Shenzhen, CN;
Primary Examiner:
Int. Cl.
CPC ...
H02P 29/032 (2016.01); H02P 29/028 (2016.01);
U.S. Cl.
CPC ...
H02P 29/032 (2016.02);
Abstract
A method for protecting a motor from overloading includes: acquiring a present effective value of a phase current of a motor; performing time integration on the present effective value of the phase current, to obtain a first integral value; obtaining a first threshold; performing overload detection according to the first threshold and the first integral value; determining a target limiting current for operation of the motor if an overload occurs; and controlling the operation of the motor based on the target limiting current.