Abstract
In recent years, memristor has become one of the research focuses. Considerable open literature has shown that many devices and systems possess memristive properties. Thus, research into supplying power source to these special devices and making them work steadily has been a meaningful study. This paper investigates the slow-scale instability whose oscillating frequency is between the line frequency and the switch frequency that occurs in a voltage controlled H-bridge inverter with memristive load. The mechanism of this medium-frequency oscillation is identified via harmonic balance method and Floquet theory. The results show that it is due to the occurrence of Hopf bifurcation. Finally, experimental results are presented to verify the theoretical analysis.
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