Chen, C.-W.C.-W.ChenLiao, C.-Y.C.-Y.LiaoChen, K.-H.K.-H.ChenYAOW-MING CHEN2018-09-102018-09-102015http://www.scopus.com/inward/record.url?eid=2-s2.0-84928395157&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/393157The objective of this paper is to propose the development of a multiinput dc-dc converter (MIC) family, which is composed of isolated and/or nonisolated 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 semiisolated multiinput 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. © 2015 IEEE.hybrid power integration.; Maximum power point tracking (MPPT); modelling; multi- input converter (MIC); renewable energy systems[SDGs]SDG7Maximum power point trackers; Models; Power converters; Renewable energy resources; Hybrid power integration; Isolated dc-dc converters; Maximum Power Point Tracking; Multiinput; Operational principles; Pulsating voltage sources; Renewable energy systems; Small signal AC models; DC-DC convertersjournal article10.1109/TPEL.2014.2367594