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A Unified Model for Current-Programmed Converters

Tan, F. Dong and Middlebrook, R. D. (1995) A Unified Model for Current-Programmed Converters. IEEE Transactions on Power Electronics, 10 (4). pp. 397-408. ISSN 0885-8993. doi:10.1109/63.391937.

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A unified model is established for a current-programmed power converter, which is both a modification and an extension of familiar models. Inclusion of the sampling effect allows the presence of an additional pole ω_p in the current-loop gain to be derived. The resulting final double-slope asymptote is fixed in position, and the crossover frequency cannot exceed half the switching frequency. A stability parameter, Q_s, determines the additional pole and describes the degree of peaking in the closed-loop transfer function. Experimental verification employs an analog signal injection technique

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Additional Information:© 1995 IEEE. Manuscript received March 18, 1994; revised March 13, 1995.
Issue or Number:4
Record Number:CaltechAUTHORS:20151224-111820094
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:63238
Deposited On:24 Dec 2015 19:25
Last Modified:10 Nov 2021 23:13

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