Patent ID: 8286439
Filing Date: 2012-10-16
Classification: F25B,H02P,Y02B

Abstract:
1. A drive system for a compressor of a chiller system, the drive system comprising: a variable speed drive, the variable speed drive being configured to receive an input AC power at a fixed AC input voltage and fixed input frequency and provide an output AC power at a variable voltage and variable frequency, the variable speed drive comprising: a motor having at least one stator winding, the at least one stator winding connected between an output of the first inverter and an output of the second inverter to power the motor by the output AC power from the first inverter and the second inverter; the at least one stator winding comprising a first terminal connected to the first inverter and a second terminal connected to the second inverter; the motor being connectable to a compressor of the chiller system to power the compressor.