An improved multistage switched inductor boost converter (improved M-SIBC) for renewable energy applications: a key to enhance conversion ratio

Bhaskar, Mahajan Sagar, Padmanaban, Sanjeevikumar, Blaabjerg, Frede and Wheeler, Patrick (2018) An improved multistage switched inductor boost converter (improved M-SIBC) for renewable energy applications: a key to enhance conversion ratio. In: 19th IEEE Workshop on Control and Modeling for Power Electronics (COMPEL 2018), 25-28 June 2018, Padova, Italy.

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In this article, an improved Multistage Switched Inductor (M-SI) based power converter or Improved Multistage Switched Inductor Boost Converter (Improved M-SIBC) is proposed for renewable applications which provides a key to enhance voltage conversion ratio. In last decades, Switched Inductor (SI) and M-SI are the popular network/technique employed in DC-DC converter to achieve high voltage conversion ratio. An improved SI and M-SI network/technique is proposed to enhance the existing the voltage conversion capabilities of SI and M-SI by replacing central uncontrolled switches by polarized capacitor. The anticipated power converter configuration combines the feature of conventional boost converter and improved M-SI. The voltage conversion a capability is depends on the number of stages of M-SI and ON time of control switch. The operation modes and characteristics of proposed converter with steady state mathematical analysis for N-stages are discussed in detail. Moreover, the proposed converter compared with existing converter in terms of voltage conversion ratio and the detail of number of components is also provided. Matrix Laboratory R2016a simulation results of 100W proposed improved M-SIBC with considering three stages are provided and the results always shows a good agreement with theoretical analysis and also validates the improved M-SI network concept.

Item Type: Conference or Workshop Item (Paper)
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Keywords: Multistage; Switched inductor; DC-DC; Renewable energy; Voltage conversion ratio; Matrix laboratory R2016a
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
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Depositing User: Burns, Rebecca
Date Deposited: 23 Apr 2018 10:47
Last Modified: 04 May 2020 19:42

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