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Development of a double-input interleaved boost DC-DC converter

Yonis Buswig, Yonis. M. (2016) Development of a double-input interleaved boost DC-DC converter. PhD thesis, Universiti Tun Hussein Onn Malaysia.

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Abstract

Suitable integration of several energy sources profoundly depends on the power electronic converters which interface multiple energy sources that having different characteristics. Conventionally, multiple sources are connected either in series or parallel configurations. However, these configurations have disadvantages such as having difficulty to achieve regulated output voltage and produce high ripples. Consequently, it is more beneficial to use a multi-input converter rather than several independent converters, as it results in less components, simpler control, more stability, and also lower ripples. In this research, a double-input boost DCDC converter (DIBC) is proposed using the concept of pulsating voltage source cells (PVSCs) for synthesis and generation of input sources circuit combined with double inductors interleaved concept as ripple reduction technique in order to reduce the current ripple. The proposed double-input converter is composed of two voltage sources that accommodated with converter cell and the conduction of interleaving switches decides the interleaved operating mode and boosting level. Different operating modes of the proposed converter are obtained as well as its corresponding voltage ratios are derived. In the controller design, a Pulse Width Modulation (PWM) technique is used to control the commuting switches while the neural network (NN) control algorithm is used to manage and regulate output voltage of the proposed DIBC. The NN controller is trained by the online back propagation algorithm to achieve output voltage regulation despite variations in line voltage and the load; as well output voltage tracking capability. The proposed DIBC system has been investigated through simulation using the MATLAB/Simulink environment and validated experimentally on a laboratory prototype using DSP TMS320F28335 real-time digital controller. The conducted simulation and experiments obtained good results for low ripples and voltage regulation.

Item Type: Thesis (PhD)
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800-8360 Electronics
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 12 Feb 2017 06:49
Last Modified: 12 Feb 2017 06:49
URI: http://eprints.uthm.edu.my/id/eprint/8891
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