Development of a low cost commercial switching mode power supply

The world drive towards smaller, lighter, cheaper and more efficient electronics has led to the development of switching-mode power conversion technology.A Switched-Mode Power Supply is an electronic power supply that incorporates a switching regulator in order to be highly efficient in the conversi...

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Main Author: Gopal Narayanamurthy.
Other Authors: Ali Iftekhar Maswood
Format: Final Year Project
Language:English
Published: 2012
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Online Access:http://hdl.handle.net/10356/49859
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-498592023-07-07T16:39:52Z Development of a low cost commercial switching mode power supply Gopal Narayanamurthy. Ali Iftekhar Maswood School of Electrical and Electronic Engineering DRNTU::Engineering::Electrical and electronic engineering::Power electronics The world drive towards smaller, lighter, cheaper and more efficient electronics has led to the development of switching-mode power conversion technology.A Switched-Mode Power Supply is an electronic power supply that incorporates a switching regulator in order to be highly efficient in the conversion of electrical power. Like other types of power supplies, an SMPS transfer’s power from a source like the electrical power grid to a load (e.g., a personal computer) while converting voltage and current characteristics. An SMPS is usually employed to efficiently provide a regulated output voltage, typically at a level different from the input voltage.This project presents a theoretical background, design and realization progress of a low cost single output switch mode power supply (SMPS) for commercial application that will incorporates a switching regulator in order to provide the required DC output 50V, with rating of 75W. It has a fly back topology and utilizes one power switch to facilitate the transfer of energy from the input to output. In this switched-mode power supply switches a power transistor between saturation and cutoff with a variable duty cycle whose average is the desired output voltage. It switches higher frequency 40 kHz than that of the AC line, which means that the transformer that it feeds can be much smaller than one connected directly to the line/mains. Switching creates a rectangular waveform that typically goes to the Primary of the transformer typically secondary feed rectifiers and filter capacitors to provide various DC outputs with low ripple. Bachelor of Engineering 2012-05-25T02:51:35Z 2012-05-25T02:51:35Z 2012 2012 Final Year Project (FYP) http://hdl.handle.net/10356/49859 en Nanyang Technological University 110 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
Gopal Narayanamurthy.
Development of a low cost commercial switching mode power supply
description The world drive towards smaller, lighter, cheaper and more efficient electronics has led to the development of switching-mode power conversion technology.A Switched-Mode Power Supply is an electronic power supply that incorporates a switching regulator in order to be highly efficient in the conversion of electrical power. Like other types of power supplies, an SMPS transfer’s power from a source like the electrical power grid to a load (e.g., a personal computer) while converting voltage and current characteristics. An SMPS is usually employed to efficiently provide a regulated output voltage, typically at a level different from the input voltage.This project presents a theoretical background, design and realization progress of a low cost single output switch mode power supply (SMPS) for commercial application that will incorporates a switching regulator in order to provide the required DC output 50V, with rating of 75W. It has a fly back topology and utilizes one power switch to facilitate the transfer of energy from the input to output. In this switched-mode power supply switches a power transistor between saturation and cutoff with a variable duty cycle whose average is the desired output voltage. It switches higher frequency 40 kHz than that of the AC line, which means that the transformer that it feeds can be much smaller than one connected directly to the line/mains. Switching creates a rectangular waveform that typically goes to the Primary of the transformer typically secondary feed rectifiers and filter capacitors to provide various DC outputs with low ripple.
author2 Ali Iftekhar Maswood
author_facet Ali Iftekhar Maswood
Gopal Narayanamurthy.
format Final Year Project
author Gopal Narayanamurthy.
author_sort Gopal Narayanamurthy.
title Development of a low cost commercial switching mode power supply
title_short Development of a low cost commercial switching mode power supply
title_full Development of a low cost commercial switching mode power supply
title_fullStr Development of a low cost commercial switching mode power supply
title_full_unstemmed Development of a low cost commercial switching mode power supply
title_sort development of a low cost commercial switching mode power supply
publishDate 2012
url http://hdl.handle.net/10356/49859
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