Abstract
This paper presents a method intended for calculation of steady-state
processes in AC/AC three-phase converters that are described by
nonstationary periodical differential equations. The method is based on
the extension of nonstationary differential equations and the use of
Galerkin's method. The results of calculations are presented in the form
of a double Fourier series. As an example, a three-phase matrix-reactance
frequency converter (MRFC) with boost topology is considered and the
results of computation are compared with a numerical method.
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