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:
Apr. 16, 2019
Filed:
Nov. 04, 2014
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D 5/04 (2006.01); H02P 29/024 (2016.01); H02P 6/12 (2006.01); H02P 6/14 (2016.01); G01R 31/00 (2006.01); G01R 31/34 (2006.01); H02P 27/06 (2006.01);
U.S. Cl.
CPC ...
B62D 5/0484 (2013.01); B62D 5/046 (2013.01); G01R 31/00 (2013.01); G01R 31/006 (2013.01); G01R 31/343 (2013.01); H02P 6/12 (2013.01); H02P 6/14 (2013.01); H02P 27/06 (2013.01); H02P 29/024 (2013.01);
Abstract
An inverter system failure is detected on the basis of the currents of respective phases detected by a current detection unit when carrying out switching control in accordance with a first drive mode in which all switching elements on a lower-side arm are switched on and all switching elements on an upper-side arm are switched off, and the currents of respective phases detected by the current detection unit when carrying out switching control in accordance with a second drive mode in which all of the switching elements on the upper-side arm are switched on and all of the switching elements on the lower-side arm are switched off.