A Comprehensive Loss Model and Comparison of AC and DC Boost Converters

A Comprehensive Loss Model and Comparison of AC and DC Boost Converters

DC microgrids have become a prevalent topic in research in part due to the expected superior efficiency of DC/DC converters compared to their AC/DC counterparts. Although numerous side-by-side analyses have quantified the efficiency benefits of DC power distribution, these studies all modeled conver...

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Bibliographic Details
Main Authors: Daniel L. Gerber, Fariborz Musavi, Omkar A. Ghatpande, Stephen M. Frank, Jason Poon, Richard E. Brown, Wei Feng
Format: Article
Language:English
Published: MDPI AG 2021-05-01
Series:Energies
Subjects:
DC power transmission
power converter
AC-DC power conversion
DC-DC power conversion
losses
Online Access:https://www.mdpi.com/1996-1073/14/11/3131
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spelling doaj-cb702a4de5a8488ab417d9460918cea22021-06-01T01:19:59ZengMDPI AGEnergies1996-10732021-05-01143131313110.3390/en14113131A Comprehensive Loss Model and Comparison of AC and DC Boost ConvertersDaniel L. Gerber0Fariborz Musavi1Omkar A. Ghatpande2Stephen M. Frank3Jason Poon4Richard E. Brown5Wei Feng6Lawrence Berkeley National Laboratory, Department of Building Technologies Urban Systems, Berkeley, CA 94720, USADepartment of Electrical Engineering and Computer Science, Washington State University, Vancouver, WA 99163, USANational Renewable Energy Laboratory, Building Energy Science Group, Golden, CO 80401, USANational Renewable Energy Laboratory, Building Energy Science Group, Golden, CO 80401, USALawrence Berkeley National Laboratory, Department of Building Technologies Urban Systems, Berkeley, CA 94720, USALawrence Berkeley National Laboratory, Department of Building Technologies Urban Systems, Berkeley, CA 94720, USALawrence Berkeley National Laboratory, Department of Building Technologies Urban Systems, Berkeley, CA 94720, USADC microgrids have become a prevalent topic in research in part due to the expected superior efficiency of DC/DC converters compared to their AC/DC counterparts. Although numerous side-by-side analyses have quantified the efficiency benefits of DC power distribution, these studies all modeled converter loss based on product data that varied in component quality and operating voltage. To establish a fair efficiency comparison, this work derives a formulaic loss model of a DC/DC and an AC/DC PFC boost converter. These converters are modeled with identical components and an equivalent input and output voltage. Simulated designs with real components show AC/DC boost converters between 100 W to 500 W having up to 2.5 times more loss than DC/DC boost converters. Although boost converters represent a fraction of electronics in buildings, these loss models can eventually work toward establishing a comprehensive model-based full-building analysis.https://www.mdpi.com/1996-1073/14/11/3131DC power transmissionpower converterAC-DC power conversionDC-DC power conversionlosses
collection DOAJ
language English
format Article
sources DOAJ
author Daniel L. Gerber
Fariborz Musavi
Omkar A. Ghatpande
Stephen M. Frank
Jason Poon
Richard E. Brown
Wei Feng
spellingShingle Daniel L. Gerber
Fariborz Musavi
Omkar A. Ghatpande
Stephen M. Frank
Jason Poon
Richard E. Brown
Wei Feng
A Comprehensive Loss Model and Comparison of AC and DC Boost Converters
Energies
DC power transmission
power converter
AC-DC power conversion
DC-DC power conversion
losses
author_facet Daniel L. Gerber
Fariborz Musavi
Omkar A. Ghatpande
Stephen M. Frank
Jason Poon
Richard E. Brown
Wei Feng
author_sort Daniel L. Gerber
title A Comprehensive Loss Model and Comparison of AC and DC Boost Converters
title_short A Comprehensive Loss Model and Comparison of AC and DC Boost Converters
title_full A Comprehensive Loss Model and Comparison of AC and DC Boost Converters
title_fullStr A Comprehensive Loss Model and Comparison of AC and DC Boost Converters
title_full_unstemmed A Comprehensive Loss Model and Comparison of AC and DC Boost Converters
title_sort comprehensive loss model and comparison of ac and dc boost converters
publisher MDPI AG
series Energies
issn 1996-1073
publishDate 2021-05-01
description DC microgrids have become a prevalent topic in research in part due to the expected superior efficiency of DC/DC converters compared to their AC/DC counterparts. Although numerous side-by-side analyses have quantified the efficiency benefits of DC power distribution, these studies all modeled converter loss based on product data that varied in component quality and operating voltage. To establish a fair efficiency comparison, this work derives a formulaic loss model of a DC/DC and an AC/DC PFC boost converter. These converters are modeled with identical components and an equivalent input and output voltage. Simulated designs with real components show AC/DC boost converters between 100 W to 500 W having up to 2.5 times more loss than DC/DC boost converters. Although boost converters represent a fraction of electronics in buildings, these loss models can eventually work toward establishing a comprehensive model-based full-building analysis.
topic DC power transmission
power converter
AC-DC power conversion
DC-DC power conversion
losses
url https://www.mdpi.com/1996-1073/14/11/3131
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