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Universidad, Ciencia y Tecnología

Print version ISSN 1316-4821On-line version ISSN 2542-3401

Abstract

LARA, Jorge et al. THE MATRIX CONVERTER IN AC-AC THREE-PHASE CONVERSION APPLICATIONS: SCALAR AND VECTOR CONTROL METHODS . uct [online]. 2008, vol.12, n.46, pp.21-30. ISSN 1316-4821.

This paper offers the operational characteristics of the matrix converter (MC) used in AC-AC conversion operated with a scalar control and with a vector control of the outlet voltage. Direct AC-AC conversion using matrix converters allows for the modulation of the tension, frequency and phase of the three-phase electric system in order to control the behavior of the load and account for the regeneration of power of the load to the main supply. With an adequate control this configuration may be more versatile than the traditional indirect AC-AC conversion system formed by the cascade connection of a usually uncontrolled AC-AC converter and a three-phase DC-AC inverter-type converter. The matrix converters are complex since their commutation matrix uses eighteen unidirectional switches, and each commutation is critical. This work considers four scalar control methods and one vector control method. The control algorithms are tested through digital simulation in a PC in Matlab and then are experimentally applied using a development platform based on the AD-21364 signal digital processor of Analog Devices.

Keywords : Matrix Converter; Scalar Method; Vector Method.

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