Small-signal modeling of magnetic amplifier post regulators with current-mode control

The continuous-mode and the discontinuous-mode small-signal dynamic models of the magamp post regulator using the external-reset and the self-reset methods with current-mode control are presented in this paper. Based on the developed models, the dynamic performance of the magamp post regulator can be expressed in terms of circuit parameters. A procedure for designing the feedback compensation is given and experiments were conducted to verify the models.