Abstract
A variable speed Wind Energy Conversion System (WECS) with Permanent Magnet Synchronous Generator (PMSG) connected to grid through Matrix Converter (MC) is proposed in this study. Necessity for increased demand in electrical energy paved way for use of renewable energy sources, one of which is abundant wind energy available in ample. Various Wind Energy Conversion systems have been proposed over the decades, of which various topologies had been projected, where complex topologies are being in existence. Permanent magnet synchronous generator has substantial advantages over conventional generators like less weight and volume and exemption for separate excitation with high precision. The conventional system involves two stage of conversion involving rectification followed by inversion being coupled by a DC link capacitor before fed to a grid, which decreases the efficiency of the system due to power quality issue. To overcome this matrix converter can be utilized to transfer the power from generation stage to the grid; there by an AC-AC converter can transfer power from generator to the grid. The proposed system is designed and tested in MATALB/Simulink environment and the results are effective.
Highlights
Advancement of industrialization and increase in global population led to increase in demand for electricity day-by-day which led to need for exploitation of renewable energy sources, due to depletion of conventional resources like fossil fuels and the ecological problems caused by them.Wind Energy Conversion System (WECS) one of the prominent renewable energy source has found noticeable worldwide growth in recent decades with the development of technology
A minimum of 10% to a maximum of 40% growth (Global Wind Report, 2013) in every year installed capacity shows the growth of wind energy conversion utilization over the past decade alone in worldwide as shown in the following Fig. 2, which shows the every year globally installed capacity in GW
Wind energy conversion system: Wind energy is converted into electrical energy by wind turbine generators and the harnessed energy is fed to grid through power electronic converters
Summary
Advancement of industrialization and increase in global population led to increase in demand for electricity day-by-day which led to need for exploitation of renewable energy sources, due to depletion of conventional resources like fossil fuels and the ecological problems caused by them.Wind Energy Conversion System (WECS) one of the prominent renewable energy source has found noticeable worldwide growth in recent decades with the development of technology. A global installed capacity of 318.2 GW (Global Wind Report, 2013) depicts the growth in utilization of WEC system. In this study a Wind Energy Conversion System (WECS) is modelled with a matrix converter and the electricity generated is fed to the grid.
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