Modeling and controller design of a semiisolated multiinput converter for a hybrid pv wind power charger system
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This paper proposes the development of a multi-input DC–DC converter family for hybrid PV/wind power charging systems, aiming to simplify the power system and reduce costs. It introduces a semi-isolated multi-input converter (s-MIC), detailing its operational principles, small-signal AC model, and controller design. The effectiveness of the proposed model and converter is validated through computer simulations and experimental results.
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Modeling and controller design of a semiisolated multiinput converter for a hybrid pv wind power charger system
- 1. MODELING AND CONTROLLER DESIGN OF A SEMIISOLATED MULTIINPUT CONVERTER FOR A HYBRID PV/WIND POWER CHARGER SYSTEM ABSTRACT The objective of this paper is to propose the development of a multi input dc–dc converter (MIC) family, which is composed of isolated and/or non isolated dc–dc converters. By analyzing five basic isolated dc–dc converters, four isolated pulsating voltage source cells and three isolated pulsating current source cells are generated. Moreover, a semi isolated multi input converter (S-MIC) for hybrid PV/wind power charger system which can simplify the power system, reduce the cost, deliver continuous power, and overcome high-voltage-transfer-ratio problems is proposed. In this paper, the operational principle of the proposed S-MIC is explained, the small-signal ac model is derived, and the controller design is developed. Computer simulations and experimental results are presented to verify the accuracy of the proposed small- signal ac model and the performance of the proposed S-MIC.