US 12,316,294 B2
Harmonic filter with multi-frequency filtering capabilities
Cong Martin Wu, Pacy-sur-Eure (FR)
Assigned to Schneider Toshiba Inverter Europe SAS, Pacy sur Eure (FR)
Filed by Schneider Toshiba Inverter Europe SAS, Pacy sur Eure (FR)
Filed on Aug. 18, 2023, as Appl. No. 18/235,435.
Claims priority of application No. 22306296 (EP), filed on Aug. 31, 2022.
Prior Publication US 2024/0080015 A1, Mar. 7, 2024
Int. Cl. H02M 1/12 (2006.01); H02P 27/06 (2006.01); H03H 11/04 (2006.01)
CPC H03H 11/04 (2013.01) [H02P 27/06 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A harmonic filter comprising:
an n-pulse transformer of a three-phase current, n being a multiple of 6; and
n/6, or n/6-1, bridge rectifiers at the output of the n-pulse transformer.