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:
Oct. 21, 2025

Filed:

Sep. 29, 2023
Applicant:

Denso Corporation, Kariya, JP;

Inventor:

Ken Toshiyuki, Kariya, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 7/487 (2007.01); H02M 1/00 (2006.01); H02M 7/5387 (2007.01); H02P 27/06 (2006.01);
U.S. Cl.
CPC ...
H02M 7/53871 (2013.01); H02M 1/0009 (2021.05); H02M 7/487 (2013.01); H02P 27/06 (2013.01);
Abstract

In an inverter according to the present disclosure, in an emergency operation, a control circuit changes the electric potential of a restricted output wiring between two of a higher potential, a neutral-point potential and a lower potential excluding a forbidden potential, and changes each of the electric potentials of normal output wirings between the higher potential, the neutral-point potential and the lower potential. Moreover, in a restricted state where a command value vector belongs to one of first restricted triangular regions, the control circuit outputs coordinates of an origin, first coordinates and second coordinates at staggered times. The second coordinates are lower coordinates of a second intermediate coordinate point when the first coordinates are upper coordinates of a first intermediate coordinate point, and are upper coordinates of the second intermediate coordinate point when the first coordinates are lower coordinates of the first intermediate coordinate point.


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