High-voltage-gain quadratic boost converter with voltage multiplier

Neng Zhang; Danny Sutanto; Kashem M. Muttaqi; Bo Zhang; Dongyuan Qiu

High-voltage-gain quadratic boost converter with voltage multiplier

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Author(s): Neng Zhang ¹ ; Danny Sutanto ¹ ; Kashem M. Muttaqi ¹ ; Bo Zhang ² ; Dongyuan Qiu ²
- Affiliations: 1: School of Electrical, Computer and Telecommunications Engineering, University of Wollongong, Wollongong, New South Wales, Australia ;
  2: School of Electrical Power, South China University of Technology, Guangzhou, People's Republic of China
Source: Volume 8, Issue 12, December 2015, p. 2511 – 2519
DOI: 10.1049/iet-pel.2014.0767 , Print ISSN 1755-4535, Online ISSN 1755-4543

Received 28/02/2014, Accepted 22/06/2015, Revised 15/05/2015, Published 01/12/2015

In this study, a novel high-gain quadratic boost converter with a voltage multiplier circuit is presented to give an alternative power electronic circuit for high-voltage conversion and low-to-medium power applications. The proposed converter combines the traditional quadratic boost converter and a coupled-inductor-based voltage multiplier circuit. Compared with the traditional quadratic boost converter, the proposed converter can obtain a much higher output voltage under the same duty cycle and input voltage, and can also reduce the voltage stresses in the power devices. Moreover, the serious input current ripple in the converter with coupled-inductor is reduced. Consequently, the efficiency and the reliability can be improved by using semiconductors with low-voltage level and high performance. The theoretical analysis of the proposed converter is verified by the experimental results.

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