Development of high frequency dual output desktop PC power supply

In today’s world where efficiency and portability have become more important than ever, Switched Mode Power Supply (SMPS) is becoming the preferred design for power supply circuits. A SMPS is an electronic power supply that incorporates a switching regulator to generate the desired voltage which is...

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Main Author: Ng, Jhohan
Other Authors: Ali Iftekhar Maswood
Format: Final Year Project
Language:English
Published: 2014
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Online Access:http://hdl.handle.net/10356/61376
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-613762023-07-07T15:52:39Z Development of high frequency dual output desktop PC power supply Ng, Jhohan Ali Iftekhar Maswood School of Electrical and Electronic Engineering DRNTU::Engineering::Electrical and electronic engineering::Power electronics In today’s world where efficiency and portability have become more important than ever, Switched Mode Power Supply (SMPS) is becoming the preferred design for power supply circuits. A SMPS is an electronic power supply that incorporates a switching regulator to generate the desired voltage which is essentially the power required for a device to work. As compare to Linear Power Supply (LPS), it has higher efficiency and significant reduction in size, weight and cost. However, designing of SMPS is more complicated than LPS. The purpose of this project is to develop a high frequency (20 kHz) SMPS intended for commercial application in order to pursue low manufacturing cost. The SMPS is expected to have 12V, 2A and 6V, 1A output. Before the construction, basic understanding of SMPS, the various topologies and its component required for designing is necessary. Flyback converter was chosen out of other topologies as based on the power specification for designing the SMPS for this project. For the design, PSIM window based circuit simulator software was used to construct and simulate the SMPS circuit design. The design was divided into 7 blocks and they are EMI & Inrush, Rectification & Input Filter, Power Switch, Power Transformer, Output Rectification & Output Filter, Voltage feedback and PWM Controller. The simulation result of the SMPS circuit design which comprised input voltage fluctuation effect and short circuit test were investigated and discussed in this report. Furthermore, a rough estimation of the component cost for the design was included. Last but not least, recommendations for use in other application were made based on the discussion result. Bachelor of Engineering 2014-06-09T07:59:36Z 2014-06-09T07:59:36Z 2014 2014 Final Year Project (FYP) http://hdl.handle.net/10356/61376 en Nanyang Technological University 131 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Electrical and electronic engineering::Power electronics
spellingShingle DRNTU::Engineering::Electrical and electronic engineering::Power electronics
Ng, Jhohan
Development of high frequency dual output desktop PC power supply
description In today’s world where efficiency and portability have become more important than ever, Switched Mode Power Supply (SMPS) is becoming the preferred design for power supply circuits. A SMPS is an electronic power supply that incorporates a switching regulator to generate the desired voltage which is essentially the power required for a device to work. As compare to Linear Power Supply (LPS), it has higher efficiency and significant reduction in size, weight and cost. However, designing of SMPS is more complicated than LPS. The purpose of this project is to develop a high frequency (20 kHz) SMPS intended for commercial application in order to pursue low manufacturing cost. The SMPS is expected to have 12V, 2A and 6V, 1A output. Before the construction, basic understanding of SMPS, the various topologies and its component required for designing is necessary. Flyback converter was chosen out of other topologies as based on the power specification for designing the SMPS for this project. For the design, PSIM window based circuit simulator software was used to construct and simulate the SMPS circuit design. The design was divided into 7 blocks and they are EMI & Inrush, Rectification & Input Filter, Power Switch, Power Transformer, Output Rectification & Output Filter, Voltage feedback and PWM Controller. The simulation result of the SMPS circuit design which comprised input voltage fluctuation effect and short circuit test were investigated and discussed in this report. Furthermore, a rough estimation of the component cost for the design was included. Last but not least, recommendations for use in other application were made based on the discussion result.
author2 Ali Iftekhar Maswood
author_facet Ali Iftekhar Maswood
Ng, Jhohan
format Final Year Project
author Ng, Jhohan
author_sort Ng, Jhohan
title Development of high frequency dual output desktop PC power supply
title_short Development of high frequency dual output desktop PC power supply
title_full Development of high frequency dual output desktop PC power supply
title_fullStr Development of high frequency dual output desktop PC power supply
title_full_unstemmed Development of high frequency dual output desktop PC power supply
title_sort development of high frequency dual output desktop pc power supply
publishDate 2014
url http://hdl.handle.net/10356/61376
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