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A Unified Power Conversion Matrix Converter Topology and High Performance PWM Strategies

Author(s):

R.Anitha , E.G.S.Pillay Engineering College, Nagai; V.Mohan, E.G.S.Pillay Engineering College, Nagai

Keywords:

Multifunction Converter, Matrix Converter, Chopper, Rectifier, Inverter

Abstract

The diversified nature of power generation and load requirement make the power conversion as mandatory. The power conversion system involves a converter topology and switching strategy. The power converter becomes helpless if the nature of input changes. For example, for ac loads with dc inputs, an inverter module is preferred and it becomes useless if the input becomes ac. Hence a unique topological structure which can make any type of output from the input given is more appreciable. That is a single topology which can perform all types of power conversions, namely rectification, inversion, dc chopping and cyclo-conversion, is today's need. This paper proposes an unique power converter topology which can perform all above mentioned power conversions. The proficiency of the power converters is more depends on the switching strategy, that is the how the pulse patterns are generated. This paper also proposes two switching strategies for cyclo-conversion. The proposed half wave symmetry variable firing angle method (HWSVFAM) and quarter wave symmetry variable firing angle method (QWSVFAM) offer enhanced fundamental component at low total harmonic distortion (THD). Complete analysis of the proposed topology and the control strategies are done in MATLAB-Simulink tool.

Other Details

Paper ID: IJSRDV3I1160
Published in: Volume : 3, Issue : 1
Publication Date: 01/04/2015
Page(s): 278-282

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