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http://dx.doi.org/10.6113/JPE.2016.16.5.1861

A Three-Phase AC-DC High Step-up Converter for Microscale Wind-power Generation Systems  

Yang, Lung-Sheng (Department of Electrical Engineering, Far East University)
Lin, Chia-Ching (Department of Electrical Engineering, Far East University)
Chang, En-Chih (Department of Electrical Engineering, I-Shou University)
Publication Information
Journal of Power Electronics / v.16, no.5, 2016 , pp. 1861-1868 More about this Journal
Abstract
In this paper, a three-phase AC-DC high step-up converter is developed for application to microscale wind-power generation systems. Such an AC-DC boost converter prossessess the property of the single-switch high step-up DC-DC structure. For power factor correction, the advanced half-stage converter is operated under the discontinuous conduction mode (DCM). Simulatanously, to achieve a high step-up voltage gain, the back half-stage functions in the continuous conduction mode (CCM). A high voltage gain can be obtained by use of an output-capacitor mass and a coupled inductor. Compared to the output voltage, the voltage stress is decreased on the switch. To lessen the conducting losses, a low rated voltage and small conductive resistance MOSFETs are adopted. In addition, the coupled inductor retrieves the leakage-inductor energy. The operation principle and steady-state behavior are analyzed, and a prototype hardware circuit is realized to verify the performance of the proposed converter.
Keywords
Boost converter; High step-up converter; Power factor correction;
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Times Cited By KSCI : 2  (Citation Analysis)
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