Analysis of Ripple Voltage in Two phase Boost DC-DC Converter


Author (s):

  1. A. Thiyagarajan, Karpagam Institute of Technology, Coimbatore, Tamilnadu, India, thiyagarajanaruchamy@gmail.com

Abstract:

In recent days, power electronic converters are necessary in renewable energy applications. The energy storage unit is one of the most important components in renewable energy system such as photo voltaic systems. In such cases, the efficient dc conversion with efficiency is needed. But the conventional boost converter will produces output with high ripple current and ripple voltage. The conventional boost converter needs a high level of duty cycle to produce step up voltage which causes high switching losses in the converter. To overcome this, interleaved technique is used. In this paper, analysis of output ripple voltage of two phase boost dc-dc converter is presented. The converter is tested by varying input voltage at constant duty cycle under zero and 180 degree phase shift of switching pulses. These analysis are carried out by simulation with the help of Matlab/simulink.

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