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International Journal of Innovation and Scientific Research
ISSN: 2351-8014
 
 
Thursday 28 March 2024

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A New Approach For Reducing Ripples In Transformer-less DC DC Converter For High Power Application


Volume 30, Issue 3, May 2017, Pages 446–452

 A New Approach For Reducing Ripples In Transformer-less DC DC Converter For High Power Application

S. RAJARETHINAM1, BHARATH RAJ2, R. MANOJ3, and N. JANAKI4

1 U.G. Department of EEE, VELS University, Chennai, India
2 Department of EEE, VELS University, Chennai, India
3 Department of EEE, VELS University, Chennai, India
4 Assistant Professor Department of EEE, VELS University, Chennai, India

Original language: English

Copyright © 2017 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


A new transformer-less Buck–Boost converter with superb output voltage with fault tolerance capability is proposed in this undertaking. Compare with the traditional Buck–boost converter, the proposed buck–boost converter’s voltage advantage is squared instances of the former’s and its output voltage polarity is wonderful. These benefits enable it to work in a wider variety of nice output. The power switches of the proposed buck–boost converter operate synchronously. In the continuous conduction mode (CCM), two inductors are magnetized and capacitors are discharged during the transfer-on period, at the same time as two inductors are demagnetized and two capacitors are charged throughout the switch-off duration. The operating concepts, the steady-country analyses, and the small-sign version for the proposed buck–boost converter running in CCM are provided in element. The power electronics simulator (PSIM) and the circuit experiments are supplied to validate the effectiveness of the proposed buck–boost converter. Deriving a family of dual-switch of step-down dc/dc converters with fault-tolerant capability. The constraint sets within the derivation process make certain that minimum extra element is used to attain fault-tolerant operation. The operation of converters derived is flexible. Under regular operating situations, one in all the two switches can function a primary transfer to manipulate the electricity drift and the opposite switch is in stand-by mode. When a fault takes place on the main switch, the others which may be activated to provide an change present day direction to continue converter operation and hold output law. The fault-tolerant converters are derived with the aid of integrating a buck converter with a buck–boost converter.

Author Keywords: Reducing Ripples, Transformer-less DC DC Converter, High Power Application.


How to Cite this Article


S. RAJARETHINAM, BHARATH RAJ, R. MANOJ, and N. JANAKI, “A New Approach For Reducing Ripples In Transformer-less DC DC Converter For High Power Application,” International Journal of Innovation and Scientific Research, vol. 30, no. 3, pp. 446–452, May 2017.