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:
Nov. 21, 2017

Filed:

Oct. 30, 2013
Applicant:

GE Energy Power Conversion Technology Ltd, Warwickshire, GB;

Inventors:

Jie Shen, Bayern, DE;

Stefan Schroeder, Bayern, DE;

Kunlun Chen, ShangHai, CN;

Laigui Qin, ShangHai, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H02M 1/32 (2007.01); H02H 3/00 (2006.01); H02H 7/10 (2006.01); H02M 7/483 (2007.01);
U.S. Cl.
CPC ...
H02M 1/32 (2013.01); H02M 3/33507 (2013.01); H02H 3/006 (2013.01); H02H 7/10 (2013.01); H02M 7/483 (2013.01);
Abstract

An exemplary power conversion system includes a power conversion device and a control system. The power conversion device converts electrical power from one form to another. The power conversion device includes at least one switching element capable of being turned off to block an electrical current flowing through the at least one switching element. The control system is electrically coupled to the power conversion device for monitoring an electrical current flowing through the at least one switching element and for monitoring at least one parameter in association with the operation of the power conversion system. The control system further generates an over-current threshold value that is variable with respect to at least one monitored parameter.


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