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Universal PWM modulator for multiphase drives with a minimum infinity-norm approach

Citace:
KOMRSKA, T., GLASBERGER, T., PEROUTKA, Z. Universal PWM modulator for multiphase drives with a minimum infinity-norm approach. IEEE Transactions on Industrial Electronics, 2016, roč. 63, č. 10, s. 5979-5987. ISSN: 0278-0046
Druh: ČLÁNEK
Jazyk publikace: eng
Anglický název: Universal PWM modulator for multiphase drives with a minimum infinity-norm approach
Rok vydání: 2016
Autoři: Ing. Tomáš Komrska Ph.D. , Ing. Tomáš Glasberger Ph.D. , Prof. Ing. Zdeněk Peroutka Ph.D. ,
Abstrakt EN: This paper introduces a new universal carrierbased pulse width modulation for multiphase converters based on a novel approach for the determination of modulation signals. They are calculated employing the minimum infinity-norm method which is in general suitable for underdetermined systems. The proposed approach minimizes the maximum element of solution vector and finds a unique one in the infinite solution set. Multiphase converters represent a case of systems with multiple degrees of freedom (DOF) allowing the optimization procedure. Modulation signals found by the minimum infinity norm lead naturally to maximumutilization of the dc-link voltage. The proposed approach enables easy modification of number of phases and DOF, respectively, and, thus, it provides a powerful tool for wide range of problems. The universality of the approach is demonstrated on both five- and seven-phase converters with specific demanded voltage vectors. Theoretical assumptions were verified by simulations and experiments on a laboratory prototype of the five-phase converter.
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