2012•Journal of North China Institute of Science and TechnologyRequires access
Design on motor's power factor controller based on Single-chip Microcomputer
Jie Li
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Abstract
By studying on the motor's economical running conditions,the paper proposes the control proposal that the Single-chip Microcomputer 89C52 is the control heart,the motor's power factor is tested in real time and the voltage of stator is adjusted according to the change of motor's load.Though the proposal carried out,the power factor is improved and the electric energy is saved.Meanwhile the paper explained the controller's software and hardware principles.Controlling the motor by using the proposal can monitor the motor in all domains,such as starting,over-load,power cut and not enough voltage,etc.