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Improvement of the Design Process of Matrix Converter Platforms Using the Switching State Matrix Averaging Simulation Method

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6 Author(s)
Ibarra, E. ; Dept. of Electron. & Telecommun., Univ. of the Basque Country, Bilbao, Spain ; Kortabarria, I. ; Andreu, J. ; de Alegria, I.M.
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The matrix converter (MC) is arousing considerable attention as an alternative for conventional ac/ac converters due to the advantages it offers. However, the control and modulation of this converter is complex. This, together with the fact that the MC usually operates at high modulation frequencies, makes the computational load of the platform to be simulated excessively high. All this makes the simulation time of models including the MC excessively long, even more so when both the transient and steady state of the system must be analyzed. This paper presents a new MC simulation technique called Switching State Matrix Averaging (SSMA). Although this is a fixed-step technique, a long simulation step can be used without forfeiting the accuracy of an ideal variable-step simulation. Likewise, the SSMA drastically speeds up the simulation, reducing the amount of required resources and the tuning time of the complex platforms in which the MC is used. A series of simulations has been performed in order to verify the proposed method. Moreover, a comparison between experimental and simulation results has been made, demonstrating the effectiveness of the proposed method.

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Industrial Electronics, IEEE Transactions on  (Volume:59 ,  Issue: 1 )