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Minimization in the dc component of transformer less grid connected PV Inverters.


Desai Maushmi Vrajesh , Vadodara Institute of Engineering


PV Array, DC Component, Proportional Integral Controller, Virtual Capacitor


The main problems are produced in transformer less system is the dc component produced in inverter ac output. This dc component created power ripple and some harmonics. It is disturbed system operation and safety. In this paper developed new method for dc component minimization and create new software based blocking capacitor for dc component minimization called virtual capacitor. In this paper proportional integral controller is designed for provide regulation to dc component. The accurate extraction of dc component is very difficult so in this paper double time integral method is used for extract the dc component.

Other Details

Paper ID: IJSRDV6I30074
Published in: Volume : 6, Issue : 3
Publication Date: 01/06/2018
Page(s): 202-206

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