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:
Jul. 12, 2022

Filed:

Jul. 02, 2020
Applicant:

Hewlett Packard Enterprise Development Lp, Houston, TX (US);

Inventors:

Mohamed Amin Bernat, Houston, TX (US);

Kailash Kishore Mirpuri, Houston, TX (US);

Daniel Humphrey, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 3/22 (2006.01); H02H 9/02 (2006.01); H02H 1/00 (2006.01); H02H 9/00 (2006.01); H02H 3/02 (2006.01); H02H 9/08 (2006.01); H02H 3/20 (2006.01); H02H 9/04 (2006.01);
U.S. Cl.
CPC ...
H02H 9/02 (2013.01); H02H 1/0007 (2013.01); H02H 3/22 (2013.01); H02H 9/005 (2013.01); H02H 3/021 (2013.01); H02H 3/20 (2013.01); H02H 9/04 (2013.01); H02H 9/08 (2013.01);
Abstract

Examples described herein relate to a power management system. The power management system may include an input power filter coupled between a common power bus having a first voltage level and a load. The input power filter may include a variable impedance circuit coupled to an input capacitor. Further, the power management system may include a bus voltage controller coupled to the input power filter to detect a transient event causing a surge in a load current drawn by the load and to alter an impedance of the variable impedance circuit to limit an input current flowing via the variable impedance circuit, thereby maintaining voltage on the common power bus within a predefined range from the first voltage level.


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