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domingo, 4 de janeiro de 2015
Harmonics Reduction Techniques in Renewable Energy Interfacing Gonverters Ali M. Eltamaly, Ph.D King Saud University Saudi Arabia
INTRODUCTION
In the recent years there has been growing interest in renewable energy generation along with growing demands for development of a suitable interface system. Low harmonics in line current of the converters used in the utility interface.
Controlled and uncontrolled converters are used widely in the utility interface of renewable energy systems to reduce cost, harmonic contents in line currents. A detailed third harmonic current injection technique reduce the harmonic contents in line currents of controlled and uncontrolled converters that used in renewable energ'y applications. The approach is based on circulaling third harmonic current from DC link current to line currents of controlled and uncontrolled converters to reduce its THD. A new injected current shape is computed from analysis to achieve sinusoidal utility line currents. A controllable single switch boost converter conrrccted in shunt is employed to circulate the new injected current shape. A method to implement the proposed approach under varying load condition is shown. Analysis,d esign,l imitations,s imulationa nd experimentarl esult are presented. In modern Power electronics converters, three-phase controlled converter is commonly used.
LINK FULL PAPER
http://faculty.ksu.edu.sa/eltamaly/Documents/[3].pdf
LINK ALTERNATIVE
https://copy.com/IApswwIOUqPR0xNt
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