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. 02, 2020

Filed:

Jun. 04, 2018
Applicant:

Vertiv Corporation, Columbus, OH (US);

Inventors:

Longyun Zhang, Shenzhen, CN;

Song Chen, Shenzhen, CN;

Assignee:

Vertiv Corporation, Columbus, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 9/02 (2006.01); G05F 5/00 (2006.01); G01R 19/165 (2006.01); H03K 17/0812 (2006.01); H02M 1/32 (2007.01); H02M 3/156 (2006.01); H02M 3/157 (2006.01);
U.S. Cl.
CPC ...
H02H 9/025 (2013.01); G01R 19/16571 (2013.01); G05F 5/00 (2013.01); H02M 1/32 (2013.01); H02M 3/156 (2013.01); H02M 3/157 (2013.01); H03K 17/08122 (2013.01); H02M 2003/1566 (2013.01);
Abstract

A regulation method for current limiting control, comprising: S. regulating a current limiting threshold in real time based on a current limiting action: S. controlling switch transistors based on the regulated current limiting threshold. By implementing the regulation method and device, it is made possible to regulate a current limiting threshold in real time directly based on a current limiting action, such that a current uprush in a first PWM wave will be significantly suppressed at the time of sudden loading or occurrence of a short circuit. Further, by regulating the current limiting threshold in real time based on the current limiting action and an inductive current, it is not only made possible to satisfy proper load-carrying capability, but also made possible to prevent a current uprush in a first PWM wave from being too high at the time of sudden loading or occurrence of a short circuit.


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