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Abstract

Simulation techniques are very useful in designing static adjustable-frequency ac drive systems and in evaluating alternative control strategies for them. This paper outlines the basic principles of the modern dc-link static frequency converter, and then describes the implementation of a digital simulation of a complete drive system. The principal components of the drive are programmed as FORTRAN subroutines. The main program uses the IBM Continuous System Model ing Program (CSMP), which is translated into FORTRAN and combined with the FORTRAN subroutines.

Harmonics in the output waveform of the frequency converter can cause design and operating problems under steady-state as well as transient conditions. These problems are discussed and illustrated by results from simulation runs.

Keywords

CSMP frequency converter variable-speed motor drives

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References

Krause, P.C. Woloszyk, L.T.

Comparison of Computer and Test Results of a Static AC Drive System

IEEE Transactions on Industry and General Applications vol. IGA-4 1968 pp. 583-588

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Digital simulation of adjustable-frequency ac motor drives

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