Comparative analysis of different PWM schemes for Z-Source Matrix Converter
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 3
Abstract
Direct Drive Wind Energy Conversion System (DDWECS) requires a compact generator as the widely used induction and synchronous generators are bulky owing to the additional excitation circuit. The ongoing research and development in the area of permanent magnet materials and power electronic devices has identified the required compact Permanent Magnet generator (PMG). The conventional DDWECS requires power electronic conditioner to get the required voltage and frequency. The conventional three stages of power converters such as rectifier, boost chopper and inverter are subject to more switching stress, less voltage boost and require more switching frequency which leads to high switching losses. The main objective of this paper is to overcome the above short comings. A single stage Impedance source matrix converter ( ZS-MC based) DDWECS are proposed. Input and output THD, switching stress and efficiency of the conventional and proposed system are compared. A new switching scheme and shoot through placement technique are introduced to improve the performance of ZSMC. The proposed converters are modeled and simulated in MATLAB/SIMULINK software.
Authors and Affiliations
Prof. V. Kandasamy, Kavya. G
Keywords
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