Communications - Scientific Letters of the University of Zilina 2001, 3(4):9-13 | DOI: 10.26552/com.C.2001.4.9-13

Control Circuitry for a Partial Series Resonant Converter

Ivan Feno1, Eduard Jadron1, Pavol Spanik1
1 Department of Electrical Traction and Energetics, Faculty of Electrical Engineering, University of Zilina, Slovak Republic

A control circuit for a new high-frequency DC-DC converter, suitable for application in a few kilowatts range, is presented. The converter topology is based on a half bridge series resonant converter, i. e. having only two switches. Resonance occurs only for a part of each switching cycle, and a discrete energy pulse is transferred to the load every half cycle, rendering a variable frequency controller for controlling the output power. The converter features zero-voltage turn-on and snubbed turn-off at reduced current for the switching devices, and zero current commutation of the rectifier diodes, making it suitable for IGBT switches operating at a switching frequency higher than 20 kHz. The efficiency of the converter is supposed very high under full load and low load conditions, while the dynamic output voltage range is two times larger than that of the conventional half bridge Series Resonant Converter. PSpice Model presents the entire converter and control circuit.

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Published: December 31, 2001  Show citation

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Feno, I., Jadron, E., & Spanik, P. (2001). Control Circuitry for a Partial Series Resonant Converter. Communications - Scientific Letters of the University of Zilina, 3(4), 9-13. doi: 10.26552/com.C.2001.4.9-13
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    References

    1. Theron, P. C., Ferreira, J. A.: "A new Partial Series Resonant Converter for efficient DC to DC conversion" PCC Yokohama Proceedings, Tokio, Japan, April 1993, pp.171-176 Go to original source...
    2. Theron, P. C., Ferreira, J. A.: "The Partial Series Resonant Converter: A new DC to DC converter with good light load efficiency". IEEE-IAS Conference, 1993
    3. Kováčová, I., Kováč, D.: Výkonové tranzistory MOSFET a IGBT, ELFA, Košice 1996
    4. Dzurko, P., Dudrík, J., Vyšnyi, P.: "Behavior of Arc Welder with high frequency LCC resonant Converter", EPE-PEMC - 2000 Conference, Košice

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