US 11,955,915 B2
Variable-frequency compressor with adaptive heating power control and method for operating the same
Shizhong Ji, Tianjin (CN); Wanzhen Liu, Tianjin (CN); Yingke Sun, Tianjin (CN); and Li Yao, Tianjin (CN)
Assigned to DANFOSS (TIANJIN) LTD., Tianjin (CN)
Filed by Danfoss (Tianjin) Ltd., Tianjin (CN)
Filed on Dec. 14, 2021, as Appl. No. 17/550,249.
Claims priority of application No. 202011469533.6 (CN), filed on Dec. 14, 2020.
Prior Publication US 2022/0186730 A1, Jun. 16, 2022
Int. Cl. H02P 29/64 (2016.01); F04C 18/356 (2006.01); F04C 28/08 (2006.01); F04C 28/24 (2006.01); H02P 29/60 (2016.01)
CPC H02P 29/64 (2016.02) [F04C 28/08 (2013.01); F04C 28/24 (2013.01); H02P 29/60 (2016.02); F04C 18/356 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A variable-frequency compressor, comprising:
a compression unit, for compressing a medium entering the variable-frequency compressor;
a motor, comprising a stator and a rotor, for driving the compression unit; and
a controller, configured to adaptively control a heating power of a winding of the stator according to information of the variable-frequency compressor.