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Power Supply for AC Motor
Dec 20, 2018
AC300kg Motor For Roller Shutter Doors

AC motor power supply

AC motors generally use three-phase system, because three-phase AC motors have obvious advantages in terms of performance indicators, raw material utilization and price compared with single-phase motors. Three-phase motors of the same power are smaller, lighter, and less expensive than single-phase motors. The three-phase motor has a self-starting capability. Single-phase motors do not have starting torque. To solve the starting problem, special measures must be taken. The torque of a single-phase motor is pulsating and the noise is relatively large, but the required power supply is relatively simple, especially convenient for use in the home. Therefore, small household motors and instrument motors use single-phase motors.

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