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THE STUDY AND ANALYSIS OF MPPT CONTROLLER FOR SRBC

ABU ZAMIR, AHMAD AFIFI AFZAN (2011) THE STUDY AND ANALYSIS OF MPPT CONTROLLER FOR SRBC. Universiti Teknologi Petronas. (Unpublished)

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Abstract

This work is about designing Maximum Power Point Tracker (MPPT) with Synchronous Rectifier Buck Converter (SRBC) circuit where the main purpose is to improve the performance and increase the output voltage and current. The MPPT controller controls the output current of the input (usually solar array) so that the output power converges on the maximum based on the linearity between the maximum output power and the optimal current. In this work, MPPT' s characteristics, performance, operation modes, advantages, and disadvantages are analyzed and observed. Then, combination ofMPPT and adaptive gate drive (AGD) will be applied to SRBC as the output circuit. PSPICE software is used in designing and simulating both circuits. The comparison is carried out based on the average output voltage and current, node voltage, output ripple voltage and current, gate-to-source voltage, and body diode conduction loss of the MPPT circuit and MPPT with AGD circuit. The details are discussed thoroughly that include limitations and advantages in the design of the controllers using I MHz switching frequency. It is found that by implementing MPPT controller with SRBC, the output voltage and output current have increased by approximately 12%- 13% for both CCM and DCM conditions. Besides that, it also reduces output voltage ripple and current around 70 % for CCM mode. However, in DCM condition, the output peak-to-peak ripple for both voltage and current have increased by 20 %.

Item Type: Final Year Project
Academic Subject : Academic Department - Electrical And Electronics - Power Electronics - Power Electronics - Control Devices
Subject: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Engineering > Electrical and Electronic
Depositing User: Users 2053 not found.
Date Deposited: 09 Oct 2013 11:07
Last Modified: 25 Jan 2017 09:42
URI: http://utpedia.utp.edu.my/id/eprint/8748

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