Abstract
The switching cell is one of the functional blocks in the closed-loop regulator structure. With the regulating loop closed, the controlled quantity of the switching cell is no longer an independent variable; it is determined by other functional blocks in the closed-loop system. The system shown in Figure 3–1 operates as follows. The input to an error amplifier G is an error signal: the difference between the output voltage u and a reference level E REF(the desired value of the output voltage). The Laplace transform of the ac component of the output voltage is U*. The error-amplifier output is the driving signal for circuit N, whose output defines the controlled quantity of the switch.
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References
R. D.Middlebrook, “Predicting modulator phase lag in PWM converter feedback loops,” Proceedings of Powercon 8,April 1981, pp. H4–1 to H4–6.
R. Prajoux, et al., “Etablissement de modèles mathématiques pour régulateurs de puissance à modulation de largeur d’impulsions (PWM), 1. Modèles discrets, 2. Modèles continus,” ESA Scientific and Technical Review,1976 (2), pp. 26–42 and 115–129.
A. S. Kislovski, “General small-signal analysis method for switching regulators,” Proceedings of PCI, Mar. 1982, pp. 1–5.
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© 1991 Van Nostrand Reinhold
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Kislovski, A.S., Redl, R., Sokal, N.O. (1991). General Small-Signal, Low-Frequency Analysis of Switching Regulators. In: Dynamic Analysis of Switching-Mode DC/DC Converters. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-7849-5_3
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DOI: https://doi.org/10.1007/978-94-011-7849-5_3
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-011-7851-8
Online ISBN: 978-94-011-7849-5
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