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Calculation of the Switching Angles of a Rectifier–Inverter Converter

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Abstract

In Russia, more than 24 thousand km of railways are electrified with alternating current. To carry out transportation in freight and passenger traffic, electric locomotives and electric trains equipped with rectifier–inverter converters are used. Technically speaking, the set of electrical equipment is a multizone bridge rectifier operating with an active–inductive load. One of the main disadvantages of such a scheme is low power factor. When determining the final value of the power factor, three factors must be taken into account: the magnitude of the rectified current ripples, nonsinusoidality, and the duration of switching. In this paper, the main expressions for determining the duration of switching during the operation of a rectifier–inverter converter for an ac traction rolling stock are obtained and the electrical parameters of the traction transformer windings are calculated.

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Authors and Affiliations

  1. Emperor Alexander I St. Petersburg State Transport University, St. Petersburg, Russia

    A. S. Maznev, A. N. Sychugov, A. V. Volov & K. V. Markov

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  1. A. S. Maznev
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  2. A. N. Sychugov
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  3. A. V. Volov
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  4. K. V. Markov
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Correspondence to A. S. Maznev.

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Translated by G. Dedkov

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Maznev, A.S., Sychugov, A.N., Volov, A.V. et al. Calculation of the Switching Angles of a Rectifier–Inverter Converter. Russ. Electr. Engin. 92, 209–212 (2021). https://doi.org/10.3103/S1068371221040040

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  • DOI: https://doi.org/10.3103/S1068371221040040

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