Direct asynchronous motor for low-frequency vibration treatment of steel structures
DOI:
https://doi.org/10.14529/power170109Keywords:
vibration treatment, rotation-vibration and rotation-pulsing modes, two-phase asynchronous motor, functional configuration, output parametersAbstract
The paper presents the creation of electromechanical systems for the low-frequency vibration treatment of steel structures. The designed two-phase asynchronous motor operates either in rotation-vibration, vibration or rotation-pulsing modes provided by phase modulation of supply voltages. The electric motor drive control system functional configuration is proposed as along with the laws of electromagnetic field variation within the air gap of the asynchronous motor at its different operating modes. The output parameters of the electric drive motor are estimated with regard for the load parameters and control functions. The independent control for the vibratory component of the motor motion is provided at the frequency regulation.
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