Research on induction motor energy saving strategy using voltage regulation control

A new energy-saving scheme of voltage-regulation control for induction motors at periodically varying loads with almost constant speed is presented in this paper. The energy-saving principle, control strategies, triggering mode of SCRs are studied. Based on the analysis of the current oscillation in...

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Bibliographic Details
Main Authors: Peihua Hao, Ming Cheng, Ruiwu Cao, Yubin Wang, Zheng Wang
Format: Conference Proceeding
Language:English
Subjects:
current oscillation
energy saving
experiment
Induction motors
Oscillators
Reactive power
simulation
Stators
Thyristors
Torque
Voltage control
voltage regulation control
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Summary:A new energy-saving scheme of voltage-regulation control for induction motors at periodically varying loads with almost constant speed is presented in this paper. The energy-saving principle, control strategies, triggering mode of SCRs are studied. Based on the analysis of the current oscillation in the voltage-regulation by 3-phase thyristors with the synchronous voltage signal, the solution to current oscillation is presented. The simulation and experiment platforms on induction motor are built. Both simulation and experimental results confirm that the proposed energy-saving control strategy can optimize the motor's terminal voltage automatically with load, reduce the starting current and torque ripple, enhance the efficiency and power factor of light-load operating and simultaneously offer the better energy-saving effect.