Phd Thesis Matrix Converter

The converted DC power is then stored in DC link capacitor.In the second stage a PWM-VSI operating at a high switching frequency generates AC signals with arbitrary amplitude and frequency.This paper presents the harmonic compensation of linear loads fed by matrix converter and the performance of two types of controllers(namely, Adaptive Fuzzy control and Adaptive Neural Fuzzy Inference system) are compared, during balanced supply and abnormal grid conditions.

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The matrix converter was firstly introduced in the year 1976 by Venturini and Alesina with their intensive research on MC's and they proposed a generalised highfrequency switching strategy with huge mathematical background in 1980.

They have represented the power circuit of the converter as a matrix.

The main theme of this control strategy is to design an ideal electronic transformer which is capable of varying the current, voltage, power factor and frequency. 1, is the most important from a practical point of view because it connects a threephase source to a three-phase load.

The electrical power from source to load is controlled by power and control circuit of matrix converter.

In order to obtain maximum voltage transformation ratio, gate signals are used to driven the bidirectional switches by using optimum amplitude venturini method.

The matrix converter is a single-stage converter with m × n bidirectional semiconductor power switches that mainly connects each m-phase voltage source to an n-phase load.

Static power frequency converters can be divided in to two main categories.

The first type called indirect AC/DC/AC power frequency converter consists of two or more stages of conversion with an intermediate DC link.

Although this type of AC/AC converter is very cost-effective and reliable, it has lots of drawbacks.

Due to the uncontrolled operation of diode bridge rectifier, the input AC currents drawn by the rectifier contain a large amount of harmonics that produces distortion of the input line voltages, having a negative impact on the performance of sensitive loads and equipment connected to the same supply.

• Comparison of Space-Vector-Modulated Direct and Indirect.

Thesis for the degree of Doctor of Technology to be presented with due. This thesis concerns two space-vector-modulated matrix converter.…

• Modelling, simulation and real time implementation of a three.

Award. PhD. Matrix converter directly converts the AC input voltage at any given frequency to AC output voltage with arbitrary. This thesis mainly provides an account of the three phase AC to three phase AC MC modelling concept with.…

• Effects of input filter on stability of matrix converter. - CiteSeerX

And output waveforms of the matrix converter using R-L load are given at. converter adjustable speed drives, PhD Thesis, 2001. University of Bologna, Italy.…

• IMPROVED SPACE VECTOR MODULATION. - Eprint UTM

Doctor of Philosophy Electrical Engineering. these advantages, this thesis proposes an improved space vector modulation SVM. SVM of a three-to-seven phase single end matrix converter by reducing number of.…

• Questions with answers in Matrix Converters from 52.

Get answers from 52 experts in Matrix Converters. ResearchGate, the. Please have a look at my papers and thesis in IEEE explorer. Wesam Rohouma. View.…

• MULTI-DIRECTIONAL MATRIX CONVERTER FOR LOW.

Thesis Submitted to the School of Graduate Studies, Universiti Putra Malaysia in Fulfillment of the Requirements for the Degree of Doctor of Philosophy. conventional matrix converter structure, five configurations were.…

• Matrix Converter Based High Power High Frequency Modular.

Matrix Converter in its input, to guarantee controllable output voltage and frequency, as. Trânsito de Energia Elétrica, PhD Thesis, Instituto Superior Técnico.…