Design of Boost Converter with Coupled Inductor: Design Of an isolated ZVT boost converter with coupled inductors

Jambulingam, Vikramarajan

ISBN 10: 3659229504 / ISBN 13: 9783659229503

Published by LAP LAMBERT Academic Publishing, 2014

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Bibliographic Details

• Title: Design of Boost Converter with Coupled Inductor: Design Of an isolated ZVT boost converter with coupled inductors
• Publisher: LAP LAMBERT Academic Publishing
• Publication Date: 2014
• Language: English
• ISBN 10: 3659229504
• ISBN 13: 9783659229503
• Binding: paperback
• Condition: New
• Book Type: book

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Synopsis

A novel isolated zero-voltage-transition boost converter with coupled inductors is proposed in this project to satisfy the high power, high step-up and isolated requirements. In the proposed converter, the input-parallel configuration is adopted to share the large input current and to reduce the conduction losses, while the output-series structure is employed to double the output voltage gain. Consequently, a transformer with a low turns ratio can be applied, which makes the transformer design and optimize easily. Moreover, the active clamp circuits are employed to reduce the switch voltage stress and to recycle the energy stored in the leakage inductance. The ZVT is achieved during the whole switching transition for all the active switches, so the switching losses can be reduced greatly. Furthermore, the diode reverse-recovery problem is partly solved due to the leakage inductance. In addition, the magnetic integration technology is applied to improve the efficiency and to reduce the magnetic component size. Finally, a 12-V input 96-V output 1-kW prototype operating with 100-kHz switching frequency is built and tested to demonstrate the effectiveness of the proposed converter.

About the Author

Mr.J.Vikramarajan holds a Master degree in Power Electronics and Drives and Bachelor degree in Electrical and Electronics Engineering from VIT University. His research interests are power electronic applications,power quality,power electronic converters and power electronic controllers for renewable energy systems.