Straight and chopped DC performance data for a reliance EV-250AT motor with a General Electric EV-1 controller
P. C. Edie
Abstract
Open-access reader
P. C. Edie
Abstract
Open-access reader
Straight and chopped DC motor performances for a Reliance EV-250AT motor with an EV-1 controller were examined. Effects of motor temperature and operating voltage are shown. It is found that the maximum motor efficiency is approximately 85% at low operating temperatures in the straight DC mode. Chopper efficiency is 95% under all operating conditions. For equal speeds, the motor operated in the chopped mode develops slightly more torque and draws more current than it does in the straight DC mode.
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Straight and chopped DC motor performances for a Reliance EV-250AT motor with an EV-1 controller were examined. Effects of motor temperature and operating voltage are shown. It is found that the maximum motor efficiency is approximately 85% at low operating temperatures in the straight DC mode. Chopper efficiency is 95% under all operating conditions. For equal speeds, the motor operated in the chopped mode develops slightly more torque and draws more current than it does in the straight DC mode.
Key concepts: Universal motor, DC motor, Braking chopper, Control theory (sociology), Controller (irrigation), Brushed DC electric motor, Chopper, Electric motor