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2013 (Vol. 6, Issue: 13)
Article Information:

High Step-Up DC-DC Converter for Distributed Generation System

V.K. Jayakrishnan, M.V. Sarin, K. Archana, D. Elangovan, R. Saravanakumar and M. Praveen Kumar
Corresponding Author:  V.K. Jayakrishnan 

Key words:  Coupled inductor, DG System, high gain, passive clamp circuit, , ,
Vol. 6 , (13): 2352-2358
Submitted Accepted Published
December 3, 2012 February 18, 2013 August 05, 2013
Abstract:

This study proposes a method which consists of High step up DC-DC converter with a coupled inductor for distributed generation system. Theoretically the conventional boost converter provides high step up voltage gain but in practical it is limited by reverse recovery problem of diode, effective series impedance of inductors and capacitors and switching losses. High charged current and conduction losses occur in the switch when voltage lift and switched capacitor techniques are used. In the proposed strategy a coupled-inductor and two capacitors is utilized to achieve high step-up voltage gain. High power loss and voltage spike on the switch is avoided using passive clamp circuit that recycles the leakage inductor energy. The operating principle and steady-state analysis are discussed. The Proposed topology was simulated using PSPICE SOFTWARE and the following results were obtained. For an input voltage of 24V, an output of 333V was obtained.
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  Cite this Reference:
V.K. Jayakrishnan, M.V. Sarin, K. Archana, D. Elangovan, R. Saravanakumar and M. Praveen Kumar, 2013. High Step-Up DC-DC Converter for Distributed Generation System.  Research Journal of Applied Sciences, Engineering and Technology, 6(13): 2352-2358.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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