Power factor correction with variable bus voltage
First Claim
Patent Images
1. A controller comprising:
- a voltage determination module that determines a desired direct current (DC) bus voltage for a DC bus electrically connected between a power factor correction (PFC) module and an inverter power module that drives a motor,wherein the voltage determination module determines the desired DC bus voltage based on at least one of a torque of the motor and a speed of the motor;
a bus voltage command module that determines a commanded bus voltage based on the desired DC bus voltage; and
a PFC control module that controls the PFC module to create a voltage on the DC bus that is based on the commanded bus voltage.
5 Assignments
0 Petitions
Accused Products
Abstract
A controller includes a voltage determination module, a bus voltage command module, and a power factor correction (PFC) control module. The voltage determination module determines a desired direct current (DC) bus voltage for a DC bus electrically connected between a PFC module and an inverter power module that drives a motor. The voltage determination module determines the desired DC bus voltage based on at least one of torque of the motor and speed of the motor. The bus voltage command module determines a commanded bus voltage based on the desired DC bus voltage. The PFC control module controls the PFC module to create a voltage on the DC bus that is based on the commanded bus voltage.
-
Citations
15 Claims
-
1. A controller comprising:
-
a voltage determination module that determines a desired direct current (DC) bus voltage for a DC bus electrically connected between a power factor correction (PFC) module and an inverter power module that drives a motor, wherein the voltage determination module determines the desired DC bus voltage based on at least one of a torque of the motor and a speed of the motor; a bus voltage command module that determines a commanded bus voltage based on the desired DC bus voltage; and a PFC control module that controls the PFC module to create a voltage on the DC bus that is based on the commanded bus voltage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. A method comprising:
-
converting incoming AC power into DC power using a power factor correction (PFC) module; converting the DC power into AC power using an inverter power module; driving a motor using the AC power; determining a desired voltage for the DC power based on at least one of torque of the motor and a speed of the motor; generating a commanded voltage based on the desired voltage; and controlling the PFC module to produce the DC power at a voltage based on the commanded voltage. - View Dependent Claims (10, 11, 12, 13, 14, 15)
-
Specification