Design and performance of a bidirectional isolated DC-DC converter for a battery energy storage system

This paper describes the design and performance of a 6-kW, full-bridge, bidirectional isolated dc-dc converter using a 20-kHz transformer for a 53.2-V, 2-kWh lithium-ion (Li-ion) battery energy storage system. The dc voltage at the high-voltage side is controlled from 305 to 355 V, as the battery vo...

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Main Authors: Tan N.M.L., Abe T., Akagi H.
Other Authors: 24537965000
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Published: 2023
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spelling my.uniten.dspace-304132023-12-29T15:47:34Z Design and performance of a bidirectional isolated DC-DC converter for a battery energy storage system Tan N.M.L. Abe T. Akagi H. 24537965000 7406009689 7102912290 Bidirectional isolated dc-dc converters dc-bias currents energy storage systems lithium-ion (Li-ion) battery DC transformers Energy storage HVDC power transmission Lithium alloys Battery energy storage systems Battery voltages Bidirectional isolated dc-dc converter Converter loss DC voltage DC-bias current energy storage systems Full-bridge High-voltages Lithium ions Low-voltage DC-DC converters This paper describes the design and performance of a 6-kW, full-bridge, bidirectional isolated dc-dc converter using a 20-kHz transformer for a 53.2-V, 2-kWh lithium-ion (Li-ion) battery energy storage system. The dc voltage at the high-voltage side is controlled from 305 to 355 V, as the battery voltage at the low-voltage side (LVS) varies from 50 to 59 V. The maximal efficiency of the dc-dc converter is measured to be 96.0 during battery charging, and 96.9 during battery discharging. Moreover, this paper analyzes the effect of unavoidable dc-bias currents on the magnetic-flux saturation of the transformer. Finally, it provides the dc-dc converter loss breakdown with more focus on the LVS converter. � 2011 IEEE. Final 2023-12-29T07:47:34Z 2023-12-29T07:47:34Z 2012 Article 10.1109/TPEL.2011.2108317 2-s2.0-84863415908 https://www.scopus.com/inward/record.uri?eid=2-s2.0-84863415908&doi=10.1109%2fTPEL.2011.2108317&partnerID=40&md5=4a6815eeda5e484c66cf7ddc1b1d4809 https://irepository.uniten.edu.my/handle/123456789/30413 27 3 5711673 1237 1248 Scopus
institution Universiti Tenaga Nasional
building UNITEN Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Tenaga Nasional
content_source UNITEN Institutional Repository
url_provider http://dspace.uniten.edu.my/
topic Bidirectional isolated dc-dc converters
dc-bias currents
energy storage systems
lithium-ion (Li-ion) battery
DC transformers
Energy storage
HVDC power transmission
Lithium alloys
Battery energy storage systems
Battery voltages
Bidirectional isolated dc-dc converter
Converter loss
DC voltage
DC-bias current
energy storage systems
Full-bridge
High-voltages
Lithium ions
Low-voltage
DC-DC converters
spellingShingle Bidirectional isolated dc-dc converters
dc-bias currents
energy storage systems
lithium-ion (Li-ion) battery
DC transformers
Energy storage
HVDC power transmission
Lithium alloys
Battery energy storage systems
Battery voltages
Bidirectional isolated dc-dc converter
Converter loss
DC voltage
DC-bias current
energy storage systems
Full-bridge
High-voltages
Lithium ions
Low-voltage
DC-DC converters
Tan N.M.L.
Abe T.
Akagi H.
Design and performance of a bidirectional isolated DC-DC converter for a battery energy storage system
description This paper describes the design and performance of a 6-kW, full-bridge, bidirectional isolated dc-dc converter using a 20-kHz transformer for a 53.2-V, 2-kWh lithium-ion (Li-ion) battery energy storage system. The dc voltage at the high-voltage side is controlled from 305 to 355 V, as the battery voltage at the low-voltage side (LVS) varies from 50 to 59 V. The maximal efficiency of the dc-dc converter is measured to be 96.0 during battery charging, and 96.9 during battery discharging. Moreover, this paper analyzes the effect of unavoidable dc-bias currents on the magnetic-flux saturation of the transformer. Finally, it provides the dc-dc converter loss breakdown with more focus on the LVS converter. � 2011 IEEE.
author2 24537965000
author_facet 24537965000
Tan N.M.L.
Abe T.
Akagi H.
format Article
author Tan N.M.L.
Abe T.
Akagi H.
author_sort Tan N.M.L.
title Design and performance of a bidirectional isolated DC-DC converter for a battery energy storage system
title_short Design and performance of a bidirectional isolated DC-DC converter for a battery energy storage system
title_full Design and performance of a bidirectional isolated DC-DC converter for a battery energy storage system
title_fullStr Design and performance of a bidirectional isolated DC-DC converter for a battery energy storage system
title_full_unstemmed Design and performance of a bidirectional isolated DC-DC converter for a battery energy storage system
title_sort design and performance of a bidirectional isolated dc-dc converter for a battery energy storage system
publishDate 2023
_version_ 1806424278120267776
score 13.211869