Four Novel PWM Shoot-Through Control Methods for Impedance Source DC-DC Converters

This study proposes four novel pulse width modulation (PWM) shoot-through control methods for impedance source (IS)galvanically isolated DC-DC converters. These methods are derived from a PWM control method with shifted shoot-throughintroduced by the authors in 2012. In contrast to the baseline solution, where the shoot-through states are generated by thesimultaneous conduction of all transistors in the inverter bridge, our new approach is based on the shoot-through generation by oneinverter leg. The idea is to increase the number of soft-switched transients and, therefore, decrease the dynamic losses of thefront-end inverter. All the proposed approaches are experimentally verified through an insulated-gate bipolar transistor-based ISDC-DC converter. Conclusions are drawn in accordance with the results of the switching loss analysis.

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Cite this article

[IEEE Style]

D. Vinnikov, I. Roasto, L. Liivik, A. Blinov, "Four Novel PWM Shoot-Through Control Methods for Impedance Source DC-DC Converters," Journal of Power Electronics, vol. 15, no. 2, pp. 299-308, 2015. DOI: 10.6113/JPE.2015.15.2.299.

[ACM Style]

Dmitri Vinnikov, Indrek Roasto, Liisa Liivik, and Andrei Blinov. 2015. Four Novel PWM Shoot-Through Control Methods for Impedance Source DC-DC Converters. Journal of Power Electronics, 15, 2, (2015), 299-308. DOI: 10.6113/JPE.2015.15.2.299.