Carmel Electric Co.
ADJUSTABLE SPEED THREE-PHASE AC MOTOR DRIVES ARE NOW PREFERRED OVER DC MOTOR SYSTEMS, FOR MANY INDUSTRIAL DRIVES, AND BATTERY-POWERED CARS. THIS IS BECAUSE STATIC INVERTERS, WITH ADJUSTABLE FREQUENCY ...SBIR Phase I 1994 National Science Foundation
65714 Electrical generators have to run at constant speed to generate electrical energy at a fixed frequency. This creates difficulties when the driving power source has variable speed, such as ...SBIR Phase I 2001 Department of Energy
N/ASBIR Phase I 1996 National Science Foundation