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A 97.0% maximum efficiency, fast response, low voltage ripple KY boost converter for photovoltaic application
Wen H.J.1; Lam C.-S.1; Choi W.-H.1; Wong C.-K.1; Wong M.-C.1
2018-04-25
Conference NameIEEE Industrial-Electronics-Society (IES) International Conference on Industrial Electronics for Sustainable Energy Systems (IESES)
Source PublicationProceedings - 2018 IEEE International Conference on Industrial Electronics for Sustainable Energy Systems, IESES 2018
Volume2018-January
Pages71-75
Conference DateJAN 31-FEB 02, 2018
Conference PlaceHamilton, NEW ZEALAND
Abstract

This project designed and implemented a high-performance DC-DC KY boost converter for photovoltaic application. Targeting at the growing solar energy market, the proposed PV generation system is used to directly transfer the power from PV panel to AC power grid. The system adopted a topology of DC-DC converter called KY converter to step up DC voltage to a suitable level. Its characteristics include high efficiency, fast transient response, and small output voltage ripple, in comparison with the traditional DC-DC boost topologies. With feedback control circuits with digital signal processor (DSP), system can adjust the output level immediately. After the correctness of the system, the design was verified by simulation for both continuous conduction mode (CCM) and discontinuous conduction mode (DCM) of KY boost converter; experiments for CCM was conducted, which showed a peak efficiency of 97.0% in 1.2kW load condition, with 0.5% low voltage ripple and transient response time within 25ms.

KeywordDc-dc Boost Converter Efficiency Ky Converter Pulse-width-modulation (Pwm) Control
DOI10.1109/IESES.2018.8349853
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Electrical & Electronic
WOS IDWOS:000432656100010
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionINSTITUTE OF MICROELECTRONICS
Affiliation1.Universidade de Macau
2.University of New South Wales (UNSW) Australia
Recommended Citation
GB/T 7714
Wen H.J.,Lam C.-S.,Choi W.-H.,et al. A 97.0% maximum efficiency, fast response, low voltage ripple KY boost converter for photovoltaic application[C],2018:71-75.
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