Method and apparatus for improved efficiency in a pulse-width-modulated alternating current motor drive

Patent · Tue Feb 15 00:00:00 EST 1994

OSTI ID:5193862

Konrad, C E; Boothe, R W

A scheme for optimizing the efficiency of an AC motor drive operated in a pulse-width-modulated mode provides that the modulation frequency of the power furnished to the motor is a function of commanded motor torque and is higher at lower torque requirements than at higher torque requirements. 6 figures.

• Research Organization: Ford Motor Company, Detroit, MI (United States)
• DOE Contract Number: AC07-90ID13019
• Assignee: General Electric Co., Schenectady, NY ()
• Patent Number(s): US 5287051; A
• Application Number: PPN: US 7-837467
• OSTI ID: 5193862
• Resource Relation: Patent File Date: 14 Feb 1992
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
ELECTRIC MOTORS
EFFICIENCY
AC SYSTEMS
CORRELATIONS
FREQUENCY MODULATION
OPTIMIZATION
TORQUE
ENERGY SYSTEMS
ENGINES
MODULATION
MOTORS
POWER SYSTEMS
320303* - Energy Conservation
Consumption
& Utilization- Industrial & Agricultural Processes- Equipment & Processes