期刊名称：International Journal of Innovative Research in Science, Engineering and Technology
印刷版ISSN：2347-6710
电子版ISSN：2319-8753
出版年度：2015
期号：MULTICON
页码：1085
出版社：S&S Publications
摘要：This paper presents a three phase seven level photovoltaic (PV) inverter topology for grid connected PVsystems with a novel Pulse Width Modulated(PWM) control scheme. Two reference signals identical to each other withan offset equivalent to the amplitude of the triangular carrier signal were used to generate PWM signals for theswitches. A digital Proportional-Integral-Derivative (PID) current control algorithm is implemented inDSPTMS320F2812 to keep the current injected into the grid sinusoidal and to have high dynamic performance withrapidly changing atmospheric conditions. The inverter offers much less total harmonic distortion and can operate atnear-unity power factor. The proposed system is verified through simulation and is implemented in a prototype.Experimental results are compared with the conventional three phase three level grid connected PWM inverter.
关键词：Grid connected Photovoltaic system; Three phases even level inverter; Maximum power point tracking;system and Proportional-Integral-Derivative (PID) Controller
