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http://dx.doi.org/10.6113/JPE.2018.18.6.1720

Novel Soft Starting Algorithm of Single Phase Induction Motors by Using PWM Inverter  

Kim, Hae-Jin (CAC Engineering Department, LG Electronics)
Hwang, Seon-Hwan (Department of Electrical Engineering, Kyungnam University)
Kim, Jang-Mok (Department of Electrical Engineering, Pusan National University)
Publication Information
Journal of Power Electronics / v.18, no.6, 2018 , pp. 1720-1728 More about this Journal
Abstract
This paper proposes a novel soft starting algorithm by using PWM inverter technique to control an amplitude of the motor starting current at a single-phase induction motor (SPIM). Traditional SPIM starting methods such as a Split-Phase, Capacitor-Start, Permanent-Split Capacitor (PSC), Capacitor-Start Capacitor-Run (CSCR), basically cannot control the magnitude of starting current due to the fixed system structures. Therefore, in this paper, a soft starting algorithm based on a proportional resonant (PR) control with a variable and constant frequency is proposed to reduce the inrush current and starting up time. In addition, a transition algorithm for operation modes is devised to generate a constant voltage and constant frequency (CVCF). The validity and effectiveness of the proposed soft starting method and transition algorithm are verified through experimental results.
Keywords
Capacitor-Start Capacitor-Run; Operation mode transition; PR (Proportional Resonant) current controller; Soft starting algorithm; SPIM;
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Times Cited By KSCI : 1  (Citation Analysis)
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