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:
Mar. 14, 2017

Filed:

Feb. 15, 2013
Applicant:

Eaton Corporation, Cleveland, OH (US);

Inventors:

Huaqiang Li, Menomonee Falls, WI (US);

Yakov Lvovich Familiant, Brown Deer, WI (US);

Xiaoling Li, Shenzhen, CN;

Assignee:

Eaton Corporation, Cleveland, OH (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 7/5387 (2007.01); H02M 5/458 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 7/53873 (2013.01); H02M 5/458 (2013.01); H02M 2001/0009 (2013.01);
Abstract

A system and method for capturing current information for a power converter is disclosed. The current monitoring system includes a control system operably connected to a circuit having a plurality of semiconductor switches that are controllable to convert an input power to an output power having a desired voltage and current. The control system includes a PWM signal generator to generate switching signals that control switching of the switches, gate drivers to facilitate switching of the switches, and desaturation circuits to provide overcurrent protection to the switches. The control system further includes a processor that receives voltage data from the desaturation circuits regarding a measured voltage across each of the switches, determines a current through each of the switches based on the voltage across each respective switch, and calculates an input current to the circuit or an output current of the circuit based on the determined currents through the switches.


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