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A Parametric Control Voltage Stabilizer

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Abstract

Application of parametric control in a dc voltage stabilizing system is considered. Under parametric control, the resistance of items connected in series with a load resistor changes. The resistance control is carried out by changing the relative shunting duration of the resistor with switch contacts occurring with a high frequency. A filter consisting of a choke and capacitor connected between the resistor and the load makes it possible to smooth the voltage ripples at the load up to a permissible level. A limiting continuous model of a voltage stabilizer with an integral controller is constructed. The stationary mode is determined, and the condition of its asymptotic stability is obtained by the linearized equation of perturbed motion. It is revealed that, when secondary power supply sources are used, the parametric control stabilizer has certain advantages relative to a stabilizer with a pulse down-converter. The studies of designed stabilizer by a mathematical model revealed the good coincidence of experimental and designed results.

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Authors and Affiliations

  1. Naval Polytechnic Institute, 197045, St. Petersburg, Russia

    A. I. Korshunov

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  1. A. I. Korshunov
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Correspondence to A. I. Korshunov.

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Translated by M. Kromin

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Korshunov, A.I. A Parametric Control Voltage Stabilizer. Russ. Electr. Engin. 90, 261–268 (2019). https://doi.org/10.3103/S1068371219030106

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  • DOI: https://doi.org/10.3103/S1068371219030106

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