A step-down frequency-modulated zero-current switching quasi-resonant converter-fed DC drive

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作者
Reddy, SR
Lakshmikanth, A
Raj, VB
Chellamuthu, C
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TM [电工技术]; TN [电子技术、通信技术];
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0808 ; 0809 ;
摘要
The simulation and implementation of a step-down frequency-modulated zero-current switching quasi-resonant converter (FM-ZCS-QRC) fed DC drive are presented. A parallel resonant QRC is used for the speed control of a DC motor. The FM-ZCS-QRC-fed DC drive is modelled and simulated. A microprocessor-based prototype system is also implemented for controlling the drive speed and the results predicted by simulation are verified experimentally. It is found that the FM-ZCS-QRC-fed DC drive has several advantages over those fed from phase-controlled converters, DC choppers and PWM converters.
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页码:61 / 66
页数:6
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