Vladimir F. Dmitrikiov, D. V. Shushpanov, A. Y. Petrochenko, Mikhail A. Alckscev, Z. V. Zaitseva
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The Condition of Self-Oscillation in Distributed Power Supply Systems. Low-Level and High-Level Excitation Signal Modes
Self-oscillation condition is described for distributed power supply systems composed of stable modules with large amplitude and phase stability margins. Frequency-based criterion for distributed power supply system stability is used to study stability of the «switched-mode voltage converter - filter - switched-mode voltage converter» and the «switched-mode voltage converter - switched-mode voltage converter» systems. Time response graphs are obtained for inductor currents in smoothing filters and for output voltages of master and slave switched-mode voltage converters in self-oscillation mode with the use of computer model of distributed power supply system.