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High-voltage, high-frequency electromagnetic oscillations in LC circuits

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Abstract

It is shown experimentally that, in high-frequency circuits, current oscillations are accompanied by extremely high overvoltages. These oscillations arise due to the switching on of a finite part of the inductance coil during the half of the oscillation period t = T/2, and the inductance operation in autotransformer mode. It is shown that the peculiarities of this mode depend on the velocity of the propagation of the electron-conduction current through the coil wire. The effect of preliminary bias on HF oscillations in the LC circuit is considered. An analysis of commonly used electrical circuit overvoltage protection facilities is carried out.

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Authors
  1. E. F. Burtsev
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  2. V. N. Zaitsev
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  3. R. Sh. Ruditskii
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  4. S. A. Cherkasov
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Additional information

Original Russian Text © E.F. Burtsev, V.N. Zaitsev, R.Sh. Ruditskii, S.A. Cherkasov, 2010, published in Elektrotekhnika, 2010, No. 5, pp. 14–19.

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Burtsev, E.F., Zaitsev, V.N., Ruditskii, R.S. et al. High-voltage, high-frequency electromagnetic oscillations in LC circuits. Russ. Electr. Engin. 81, 232–236 (2010). https://doi.org/10.3103/S1068371210050032

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  • DOI: https://doi.org/10.3103/S1068371210050032

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