An impedance network boost converter with a high-voltage gain

Guidong Zhang; Herbert Ho Ching Iu; Bo Zhang; Zhong Li; Tyrone Fernando; Si Zhe Chen; Yun Zhang

doi:10.1109/TPEL.2017.2673545

An impedance network boost converter with a high-voltage gain

Guidong Zhang, Herbert Ho Ching Iu, Bo Zhang, Zhong Li, Tyrone Fernando, Si Zhe Chen, Yun Zhang

Research output: Contribution to journal › Article › peer-review

61 Citations (Scopus)

Abstract

An impedance network DC-DC boost converter is developed in this letter. Compared to the conventional boost converter, it can reach a higher voltage gain with fewer diodes and a small duty cycle (smaller than 33%) and, meanwhile, avoid instability caused by saturation of its inductors, whereas the conventional boost converters realize high-voltage gains at rather large duty cycles (normally exceeding 50%) resulting in saturation of inductors. Furthermore, it can well fulfill the stringent industrial requirements, particularly of renewable power systems. The proposed converter with continuous conduction modes is analyzed for different states of its components. Then, it is shown how to determine its various parameters. Finally, simulations and a 250-W prototype are conducted to verify the converter's effectiveness. © 2017 IEEE

Original language	English
Pages (from-to)	6661-6665
Number of pages	5
Journal	IEEE Transactions on Power Electronics
Volume	32
Issue number	9
Early online date	23 Feb 2017
DOIs	https://doi.org/10.1109/TPEL.2017.2673545
Publication status	Published - 1 Sept 2017

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10.1109/TPEL.2017.2673545

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abstract = "An impedance network DC-DC boost converter is developed in this letter. Compared to the conventional boost converter, it can reach a higher voltage gain with fewer diodes and a small duty cycle (smaller than 33%) and, meanwhile, avoid instability caused by saturation of its inductors, whereas the conventional boost converters realize high-voltage gains at rather large duty cycles (normally exceeding 50%) resulting in saturation of inductors. Furthermore, it can well fulfill the stringent industrial requirements, particularly of renewable power systems. The proposed converter with continuous conduction modes is analyzed for different states of its components. Then, it is shown how to determine its various parameters. Finally, simulations and a 250-W prototype are conducted to verify the converter's effectiveness. {\textcopyright} 2017 IEEE",

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AU - Zhang, Guidong

AU - Iu, Herbert Ho Ching

AU - Zhang, Bo

AU - Li, Zhong

AU - Fernando, Tyrone

AU - Chen, Si Zhe

AU - Zhang, Yun

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N2 - An impedance network DC-DC boost converter is developed in this letter. Compared to the conventional boost converter, it can reach a higher voltage gain with fewer diodes and a small duty cycle (smaller than 33%) and, meanwhile, avoid instability caused by saturation of its inductors, whereas the conventional boost converters realize high-voltage gains at rather large duty cycles (normally exceeding 50%) resulting in saturation of inductors. Furthermore, it can well fulfill the stringent industrial requirements, particularly of renewable power systems. The proposed converter with continuous conduction modes is analyzed for different states of its components. Then, it is shown how to determine its various parameters. Finally, simulations and a 250-W prototype are conducted to verify the converter's effectiveness. © 2017 IEEE

AB - An impedance network DC-DC boost converter is developed in this letter. Compared to the conventional boost converter, it can reach a higher voltage gain with fewer diodes and a small duty cycle (smaller than 33%) and, meanwhile, avoid instability caused by saturation of its inductors, whereas the conventional boost converters realize high-voltage gains at rather large duty cycles (normally exceeding 50%) resulting in saturation of inductors. Furthermore, it can well fulfill the stringent industrial requirements, particularly of renewable power systems. The proposed converter with continuous conduction modes is analyzed for different states of its components. Then, it is shown how to determine its various parameters. Finally, simulations and a 250-W prototype are conducted to verify the converter's effectiveness. © 2017 IEEE

KW - Boost converter

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An impedance network boost converter with a high-voltage gain

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