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. 28, 2021
Filed:
Jun. 12, 2020
Applicant:
Delta Electronics, Inc., Taoyuan, TW;
Inventors:
Yi-Jan Chang, Taoyuan, TW;
Yi-Kai Chou, Taoyuan, TW;
Po-Sung Chiang, Taoyuan, TW;
Chien-Hao Chen, Taoyuan, TW;
Assignee:
DELTA ELECTRONICS, INC., Taoyuan, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02P 29/024 (2016.01);
U.S. Cl.
CPC ...
H02P 29/024 (2013.01);
Abstract
A motor drive system and a control method are provided. The motor drive system is electrically connected to a motor. The motor drive system includes two safe torque off (STO) modules to achieve a two-channel STO redundancy infrastructure, so as to improve the safety of the motor drive system. In addition, the motor drive system includes a diagnosis module to diagnose malfunction of the STO modules. It ensures the STO modules to meet the related safety requirements.