Generalized active power low controller for multi active bridge DC-DC converters with minimum-current-point-tracking algorithm
Hebala, Osama M. and Aboushady, Ahmed A. and Ahmed, Khaled and Abdelsalam, Ibrahim (2021) Generalized active power low controller for multi active bridge DC-DC converters with minimum-current-point-tracking algorithm. IEEE Transactions on Industrial Electronics. ISSN 0278-0046 (In Press)
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Abstract
This paper proposes a new active power flow controller for DC-DC multi active bridge (MAB) converters with minimum current point tracking (MCPT) to minimize conductive losses. Unlike recent efforts in this area, the proposed controller does not require look-up table for implementation nor complex non-linear converter modelling and is not circuit parameter-dependent. The proposed control scheme is also generalized for MAB converters with any number of ports and is derived in per unit form to enable standard implementation for buck/boost/unity-gain operating modes. The proposed MCPT algorithm is based on an innovative adaptive perturb and observe (P&O) tracking of the minimum current point (MCP) on the MAB converter current characteristic plane. This MCP is tracked while active power regulation is simultaneously achieved based on a new phase shift decoupler to enable direct regulation of individual port active power. Detailed design procedure of the proposed controller is presented and extensive simulation is carried out to validate the effectiveness of the proposed MCPT closed loop controller. Experimental implementation is also provided to substantiate the simulation results.
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Item type: Article ID code: 75949 Dates: DateEvent24 March 2021Published24 March 2021AcceptedNotes: © 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. Keywords: DC-DC, minimum current point tracking (MCPT), multi active bridge (MAB), perturb and observe (P&O), Electrical engineering. Electronics Nuclear engineering, Electrical and Electronic Engineering Subjects: Technology > Electrical engineering. Electronics Nuclear engineering Department: Faculty of Engineering > Electronic and Electrical Engineering
Strategic Research Themes > EnergyDepositing user: Pure Administrator Date deposited: 25 Mar 2021 13:53 Last modified: 12 May 2022 00:51 Related URLs: URI: https://strathprints.strath.ac.uk/id/eprint/75949