Energy efficient and high temperature power semiconductors for hybrid electric vehicles

The emergence of silicon carbide (SiC) semiconductors having superior properties when compared with silicon (Si) has resulted in significant improvements in the performance of power electronics converter systems. The theoretical benefits of system using SiC power devices are reduction in size and we...

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Main Author: Lau, Cheng Leong.
Other Authors: Rusli
Format: Final Year Project
Language:English
Published: 2010
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Online Access:http://hdl.handle.net/10356/40865
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-408652023-07-07T16:46:49Z Energy efficient and high temperature power semiconductors for hybrid electric vehicles Lau, Cheng Leong. Rusli Tseng King Jet School of Electrical and Electronic Engineering DRNTU::Engineering::Electrical and electronic engineering::Electric power The emergence of silicon carbide (SiC) semiconductors having superior properties when compared with silicon (Si) has resulted in significant improvements in the performance of power electronics converter systems. The theoretical benefits of system using SiC power devices are reduction in size and weight and also improvement in efficiency. However, the performances of these SiC devices being implemented in an actual system are not well defined or have been clearly reported. Presently, researches are mostly done on simulation of SiC power devices particularly on diode and the test methodologies and equipment used are not well defined. Therefore, research has to be done in implementing the devices in an actual system and measuring the performance experimentally. In this report, a study is done on a commercial 100W Inverter on its operation and circuit topology. SiC Schottky diodes and JFETs are then retrofitted, replacing the Si diodes and MOSFETs used in the inverter. Efficiency of the inverter and switching characteristics of the power devices is then carried out on the original Inverter and the modified inverter. In addition, a chopper circuit is used to measure losses of Si and SiC devices and to investigate the operation of the SiC devices. The system benefits in using SiC devices is highlighted through the experiment and the results obtained would allow us to find solution to reduction in the size, weight, and the need of the power conditioning and/or thermal management systems in HEVs. Bachelor of Engineering 2010-06-23T02:58:10Z 2010-06-23T02:58:10Z 2010 2010 Final Year Project (FYP) http://hdl.handle.net/10356/40865 en Nanyang Technological University 123 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::Electric power
spellingShingle DRNTU::Engineering::Electrical and electronic engineering::Electric power
Lau, Cheng Leong.
Energy efficient and high temperature power semiconductors for hybrid electric vehicles
description The emergence of silicon carbide (SiC) semiconductors having superior properties when compared with silicon (Si) has resulted in significant improvements in the performance of power electronics converter systems. The theoretical benefits of system using SiC power devices are reduction in size and weight and also improvement in efficiency. However, the performances of these SiC devices being implemented in an actual system are not well defined or have been clearly reported. Presently, researches are mostly done on simulation of SiC power devices particularly on diode and the test methodologies and equipment used are not well defined. Therefore, research has to be done in implementing the devices in an actual system and measuring the performance experimentally. In this report, a study is done on a commercial 100W Inverter on its operation and circuit topology. SiC Schottky diodes and JFETs are then retrofitted, replacing the Si diodes and MOSFETs used in the inverter. Efficiency of the inverter and switching characteristics of the power devices is then carried out on the original Inverter and the modified inverter. In addition, a chopper circuit is used to measure losses of Si and SiC devices and to investigate the operation of the SiC devices. The system benefits in using SiC devices is highlighted through the experiment and the results obtained would allow us to find solution to reduction in the size, weight, and the need of the power conditioning and/or thermal management systems in HEVs.
author2 Rusli
author_facet Rusli
Lau, Cheng Leong.
format Final Year Project
author Lau, Cheng Leong.
author_sort Lau, Cheng Leong.
title Energy efficient and high temperature power semiconductors for hybrid electric vehicles
title_short Energy efficient and high temperature power semiconductors for hybrid electric vehicles
title_full Energy efficient and high temperature power semiconductors for hybrid electric vehicles
title_fullStr Energy efficient and high temperature power semiconductors for hybrid electric vehicles
title_full_unstemmed Energy efficient and high temperature power semiconductors for hybrid electric vehicles
title_sort energy efficient and high temperature power semiconductors for hybrid electric vehicles
publishDate 2010
url http://hdl.handle.net/10356/40865
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