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

Patent · Fri Dec 31 23:00:00 EST 1993

OSTI ID:869161

Konrad, Charles E ^[1]; Boothe, Richard W ^[1]

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1. Roanoke, VA

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.

• Research Organization: Ford Motor Co
• DOE Contract Number: AC07-90ID13019
• Assignee: General Electric Company (Schenectady, NY)
• Patent Number(s): US 5287051
• OSTI ID: 869161
• Country of Publication: United States
• Language: English

Related Subjects

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alternating
alternating current
apparatus
commanded
current
current motor
drive
drive operated
efficiency
frequency
function
furnished
improved
improved efficiency
method
mode
mode provides
modulation
modulation frequency
motor
motor drive
motor torque
operated
optimizing
power
provides
pulse-width-modulated
pulse-width-modulated alternating
pulse-width-modulated mode
requirements
scheme
torque