US 12,085,291 B2
Dual mode converter for air conditioning system
Chengzhu Piao, East Meadow, NY (US); Konstantin Borisov, Avon, CT (US); and Ismail Agirman, Southington, CT (US)
Assigned to CARRIER CORPORATION, Palm Beach Gardens, FL (US)
Filed by Carrier Corporation, Palm Beach Gardens, FL (US)
Filed on Aug. 3, 2022, as Appl. No. 17/880,145.
Claims priority of provisional application 63/234,869, filed on Aug. 19, 2021.
Prior Publication US 2023/0059776 A1, Feb. 23, 2023
Int. Cl. F24F 1/20 (2011.01); H02M 5/458 (2006.01)
CPC F24F 1/20 (2013.01) [H02M 5/4585 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A converter comprising:
an input section including an inductive element, the input section configured to receive a multiphase, AC input voltage;
a rectifier section coupled to the input section;
a voltage regulator section coupled to the rectifier section, the voltage regulator section configured to control a DC output voltage across a positive DC bus and a negative DC bus; and
a controller in communication with the voltage regulator section, the controller configured to command the voltage regulator section to operate in one of a first mode and a second mode.