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The following page content corresponds to the products marketed in Japan.
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Three-Phase Asynchronous Motor

The three-phase asynchronous motor makes use of the induction principle for converting electrical energy into mechanical energy. A conductor is placed in an electromagnetic field which is then influenced by a force that tries to move it through the magnetic field. In the AC induction motor the magnetic field is placed in the stationary part (stator). The conductors influenced by the electromagnetic force are located in the rotor.

The stator usually consists of 3 phase windings displaced 120 electrical degrees apart. When fed by a three-phase alternating current they induce a current in the conductors of the rotor. The interaction of the magnetic field produced by the stator and the current carrying conductors in the rotor causes the rotor to be 'dragged' round by the stator field.

Applications:
Applications include hoists, cranes conveyer belts, traction control, washing machines, HVAC systems.

Suggested Renesas MCU Solutions

Control
Methods
MCU Requirements Suggested Renesas MCU Solutions
μPD78
F0714
R8C
Family
RL78/
G13
RL78/
G14
78K0R
Family
RX
Family
V850
Family
SuperH
Family
Three-Phase
Asynchronous
Motor
Trapezoidal Drive
Control
Input Capture, Interrupt, PWM Timer for Three-Phase motor control ○ ○ ○ ○ ○
Sinusoidal Drive
Control
Input Capture, Interrupt, PWM Timer for Three-Phase motor control ○ ○ ○ ○○
Sinusoidal Drive
Vector Control
High Performance MCU, High-Speed A/D Converter, Interrupt, PWM Timer with Deadtime for Three-Phase motor control
○○○

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