Multistage Switched Inductor Boost Converter For Renewable Energy Application

Abstract

In this paper Multistage Switched Inductor Boost Converter (Multistage SIBC) is uttered for renewable energy applications. The proposed converter is derived from a combination of the conventional boost converter and inductor stack. The overall voltage conversion ratio of the proposed converter depends on the number of inductor and duty cycle. The proposed converter consists of only one controlled power semiconductor device. The high switching frequency is adopted to decrease the component size and reduce the output voltage and current ripples. The analysis and working of proposed converter is discussed in detail. The simulation of the proposed converter for three stages is done in Matlab Simulink (version-2016) and the results are verified with theoretical values. The simulation result validates the feasibility of proposed converter.

Full text

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Abstract—In this paper Multistage Switched Inductor Boost
Converter (Multistage SIBC) is uttered for renewable energy
applications. The projected converter is derived from an
amalgamation of the conventional step-up converter and
inductor stack. The number of inductor and duty ratio decides
the overall voltage gain of the projected converter. The projected
converter consists of only one controlled power semiconductor
device. The 50 KHz frequency is adopted to reduce the L, C value
and to suppress the output waveform ripples. The analysis and
working of projected converter is discussed in detail. Simulation
of the projected converter for three stages is done in
Matlab/Simulink (version-2016) and the results are verified with
theoretical values.
Keywords—Multistage Converter; Switched Inductor; Boost
Converter; Renewable Energy; High Voltage Gain.
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A. Modes of Operation of Multistage-SIBC
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B. Analysis of Multistage-SIBC
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2) Double stage-SIBC
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Number of
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Number of
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Voltage conversion
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VD DV
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3)
Triple stage-SIBC
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7KH SRZHU FLUFXLW RI WULSOH VWDJH 6,%& FRQVLVWV RI WKUHH
LGHQWLFDO LQGXFWRUV ZLWK VL[ GLRGHV DW WKH LQSXW VLGH RI WKH
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%RRVW&RQYHUWHU6,%&
4)
N- stage-SIBC
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