A TWO STAGE BUCK – BOOST CONVERTER WITH SOFT SWITCHING FOR WIND POWER APPLICATIONS
Author(s):
Rentapalli Kishore Kumar, M Sreenu
ISSN:
2349-6002
Cite This Article:
A TWO STAGE BUCK – BOOST CONVERTER WITH SOFT SWITCHING FOR WIND POWER APPLICATIONS International Journal of Innovative Research in Technology(www.ijirt.org) ,ISSN: 2349-6002 ,Volume 6 ,Issue 7 ,Page(s):199-205 ,December 2019 ,Available :IJIRT148899_PAPER.pdf
Keywords:
DC-link voltage balance, zero voltage switching, Renewable Energy (RE), Buck-boost converter, Induction wind turbine.
Abstract
A novel two – stage buck boost converter with soft switching operation for renewable energy applications is proposed in this paper. Two identical buck boost converters connected to each other through an inductor works in parallel in the proposed converter. This inductor plays an important role in the soft switching operation of the converter by maintaining the voltage applied to switches at zero at switching intervals. Zero voltage switching method of control is being used for switching. This method of switching proposed converter is efficient in the reduction of switching losses and improvement in efficiency of converter. Moreover, because of the parallel operation of two identical converters, the output voltage and the input current contain fewer ripples than those of a single converter with the same specifications. Also, utilizing only one inductor as an extra element to achieve this goal makes the proposed converter more economical and reliable with a simpler structure. The detailed analysis of the circuit operation is provided in eight modes. The performance of the proposed converter is also analyzed by using it in wind power generation system. The proposed converter is simulated in MATLAB/Simulink platform.
Article Details
Unique Paper ID: 148899

Publication Volume & Issue: Volume 6, Issue 7

Page(s): 199 - 205
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Last Date 25 January 2020


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