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:
Mar. 02, 2021
Filed:
Nov. 27, 2015
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Magnus Karlsson, Oskarshamn, SE;
Fredrik Wahledow, Färjestaden, SE;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
The invention relates to a device, method, computer program and computer program product for determining the equivalent series resistance of a power converter having power train parameters comprising a capacitance, an inductance and the equivalent series resistance, the device comprising a resistance determining unit that obtains a ripple voltage embedded in an output voltage of the power converter, determines a ripple current based on the output voltage, the inductance and operational switching data of the power converter, and estimates the equivalent series resistance of the power converter based on the ripple voltage, ripple current and the operational switching data.