Selective Dual Duty Cycle Controlled High Frequency Inverter Using a Resonant Capacitor in Parallel with an Auxiliary Reverse Blocking Switch

This paper presents a new ZCS-PWM high frequency inverter. Zero current switching operation is achieved in the whole load range by using a simple auxiliary reverse blocking switch in parallel with series resonant capacitor. Dual duty cycle control scheme is used to provide a wide range of high frequency AC output power regulation that is important in many high frequency inverter applications. It found that a complete soft switching operation can be achieved even for low power setting ranges by introducing high-frequency dual duty cycle control scheme. The proposed high frequency inverter is more suitable for consumer induction heating (IH) applications. The operation and control principle of the proposed high frequency inverter are described and verified through simulated results.

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Cite this article

[IEEE Style]

B. Saha, K. Suh, S. Kwon, T. Mishima, M. Nakaoka, "Selective Dual Duty Cycle Controlled High Frequency Inverter Using a Resonant Capacitor in Parallel with an Auxiliary Reverse Blocking Switch," Journal of Power Electronics, vol. 7, no. 2, pp. 118-123, 2007. DOI: 10.6113/JPE.2007.7.2.118.

[ACM Style]

Bishwajit Saha, Ki-Young Suh, Soon-Kurl Kwon, Tomokazu Mishima, and Mutsuo Nakaoka. 2007. Selective Dual Duty Cycle Controlled High Frequency Inverter Using a Resonant Capacitor in Parallel with an Auxiliary Reverse Blocking Switch. Journal of Power Electronics, 7, 2, (2007), 118-123. DOI: 10.6113/JPE.2007.7.2.118.