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https://doi.org/10.1109/TPEL.2002.802197
Title: | A novel tri-state boost converter with fast dynamics | Authors: | Viswanathan, K. Oruganti, R. Srinivasan, D. |
Keywords: | Boost converter Dc-dc converter Right-half-plane zero Small-signal analysis Tri-state boost converter |
Issue Date: | Sep-2002 | Citation: | Viswanathan, K., Oruganti, R., Srinivasan, D. (2002-09). A novel tri-state boost converter with fast dynamics. IEEE Transactions on Power Electronics 17 (5) : 677-683. ScholarBank@NUS Repository. https://doi.org/10.1109/TPEL.2002.802197 | Abstract: | A challenging problem in the design of boost converters operating in continuous-conduction mode is posed by the dynamically shifting right-half-plane (RHP) zero in the converter's small-signal control-to-output transfer function. The paper proposes a novel tri-state boost converter without such a zero in the transfer function. The additional degree of freedom introduced in the converter in the form of a freewheeling interval has been exploited through an easy control technique to achieve this elimination. The absence of the RHP zero allows the control scheme to achieve larger bandwidth under closed-loop conditions, resulting in fast response. Analytical, simulation and experimental results of the tri-state boost converter have been presented and compared with those of the classical boost converter both under open-loop and under closed-loop operating conditions. The results clearly demonstrate the superior dynamic performance of the proposed converter. The proposed converter can be used in applications wherever fast-response boost action is needed. | Source Title: | IEEE Transactions on Power Electronics | URI: | http://scholarbank.nus.edu.sg/handle/10635/54654 | ISSN: | 08858993 | DOI: | 10.1109/TPEL.2002.802197 |
Appears in Collections: | Staff Publications |
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