The right {mu}P simplifies using induction motors to propel electric cars
Journal Article
·
· EDN
OSTI ID:404767
- Motorola Inc., Phoenix, AZ (United States). Product Sector
In electric vehicles (EVs), AC induction motors can provide variable speed at low cost. The most common method for controlling induction motors uses a 3-phase AC voltage-source inverter with sine-wave PWM (pulse width modulation). Because the motor`s speed and acceleration depend on amplitude as well as frequency, the inverter must produce sine waves of variable voltage and frequency. The authors describe how a single microcontroller can provide such control functions while generating PWM waveforms in which the modulation is sinusoidal.
- OSTI ID:
- 404767
- Journal Information:
- EDN, Vol. 39, Issue 7; Other Information: PBD: 31 Mar 1994
- Country of Publication:
- United States
- Language:
- English
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