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:
Sep. 07, 2021
Filed:
Dec. 18, 2019
Motor drive with a filter including a three-phase differential mode reactor with common mode damping
Applicant:
Schaffner Emv Ag, Luterbach, CH;
Inventors:
Assignee:
Schaffner EMV AG, Luterbach, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 1/00 (2006.01); H03H 7/01 (2006.01); H01F 27/24 (2006.01); H01F 27/28 (2006.01); H02P 27/04 (2016.01);
U.S. Cl.
CPC ...
H03H 7/01 (2013.01); H01F 27/24 (2013.01); H01F 27/28 (2013.01); H02P 27/04 (2013.01);
Abstract
Motor drive with a T-type filter with at least two three-phase differential mode reactors and three capacitors, wherein at least one of the three-phase differential mode reactor comprises an auxiliary coil () wound around three wound core elements () such that the common mode current is induced in the auxiliary coil ().