US 12,267,009 B2
Air conditioning device and corresponding power supply including a single buck converter with a SiC diode, an attenuator and a ferrite bead
Kurt Jansen, Aachen-Oberforstbach (DE); Alex Popa, Cluj-Napoca (RO); Izsak Kantor, Cluj-Napoca (RO); and Abhishek Deshpande, Aachen (DE)
Assigned to Copeland Europe GmbH, Berlin (DE)
Filed by Copeland Europe GmbH, Berlin (DE)
Filed on Sep. 30, 2022, as Appl. No. 17/957,696.
Claims priority of application No. 21200467 (EP), filed on Oct. 1, 2021.
Prior Publication US 2023/0107212 A1, Apr. 6, 2023
Int. Cl. H02M 3/156 (2006.01); F24F 11/88 (2018.01); H02M 1/34 (2007.01)
CPC H02M 3/156 (2013.01) [F24F 11/88 (2018.01); H02M 1/348 (2021.05)] 8 Claims
OG exemplary drawing
 
1. An air conditioning device comprising:
an air conditioning unit; and
a power supply,
wherein
the power supply comprises a single buck converter, wherein the single buck converter comprises a switching device, an inductor, a diode and at least one capacitor,
the inductor has an inductivity equal to or greater than 4.7 mH,
the diode is a SiC diode,
the single buck converter further includes
an attenuator connected in parallel with the SiC diode, and
a ferrite bead connected to the switching device, and
the switching device is configured to switch between ON and OFF states to operate the single buck converter in a continuous current mode during which current flowing through the inductor does not stop.