Abstract
This paper deals with the design issues relevant to achieve ZVS for three level converters. It shows the method of designing a three level converter and to achieve ZVS in the wide range of load current and input voltage by employing coupled inductor. This converter overcomes the drawbacks presented by the conventional zero-voltage switching (ZVS) three-level converter, such as high circulating energy, severe parasitic ringing on the rectifier diodes, loss of duty cycle, high conduction loss and limited ZVS load range for the primary switches. This converter employs a coupled inductor to achieve zero-voltage switching of the primary switches in the entire line and load range is described. Because the coupled inductor does not appear as a series inductance in the load current path, it does not cause a loss of duty cycle or severe voltage ringing across the output rectifiers.
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Acknowledgments
I would like to express my heartiest thanks to Prof K.Duraiswamy., Professor of the Department of computer science and Engineering, who has been the source of inspiration and behind my every move in achieving the goal of my work.
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© 2013 Springer India
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Karthikeyan, C., Duraiswamy, K. (2013). A New Three-Level Zero Voltage Switching Converter. In: Malathi, R., Krishnan, J. (eds) Recent Advancements in System Modelling Applications. Lecture Notes in Electrical Engineering, vol 188. Springer, India. https://doi.org/10.1007/978-81-322-1035-1_17
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DOI: https://doi.org/10.1007/978-81-322-1035-1_17
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