Journal of Guangxi Normal University(Natural Science Edition) ›› 2013, Vol. 31 ›› Issue (4): 1-6.

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Non-linear Dynamics Model and Chaotic Behavior of the Single-phase Full Bridge Photovoltaic Grid-connected Inverter

LIAO Zhi-xian, LUO Xiao-shu, HUANG Guo-xian   

  1. College of Electronic Engineering,Guangxi Normal University,Guilin Guangxi 541004,China
  • Received:2013-06-27 Online:2013-12-20 Published:2018-11-26

Abstract: In this paper,circuit the of single-phase full bridge photovoltaic (PV) grid-connected inverter model and its working principle are introduced.According to Kirchhoff's law and the characteristics of ideal operational amplifier,a 6.5-dimensions piecewise smooth state equation for the circuit model of single-phase full bridge photovoltaic (PV) grid-connected inverter is set up,the derivation of the equations is presented in detail.Then using the fourth order Runge Kutta method to solve the established state equation,the nonlinear dynamics properties of this modeling is investigated preliminarily.The research results show that this circuit system can produce chaotic behavior under certain range of pv array output voltage.

Key words: photovoltaic grid-connected inverter, piecewise smooth state equation, non-linear dynamics, chaotic behavior

CLC Number: 

  • O545
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