Motor Types

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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