Abstract
this paper presents a novel generalised approach of the small-signal modelling of dual active bridge (DAB) DC/DC converter. The adopted analysis is based on a per-unit fundamental frequency representation of the DAB. The outcome of the proposed modelling approach is a small signal, linearised, state-space DAB model; which is considered as a main building block for future control applications. The developed small signal DAB model includes all possible degrees of freedom affecting the performance of the DAB; this includes the voltage conversion ratio to allow the study of all DAB operation modes (i.e.: unity-gain and buck/boost modes.). Furthermore, since triple phase shift control (TPS) is used in this development work, the proposed model incorporates phase shift in addition to duty ratios. This feature allows for bridge voltage regulation, which is essential for efficient DAB operation in the case of buck/boost operation. Another key achievement is that the proposed small signal modelling methodology can be applied to any bidirectional DC-DC converter regardless of ratings, parameter values and number of ports. Extensive simulation is carried out to verify the proposed analysis.
| Original language | English |
|---|---|
| Title of host publication | 7th International IEEE Conference on Renewable Energy Research and Applications, ICRERA 2018 |
| Place of Publication | Piscataway, NJ |
| Publisher | IEEE |
| Pages | 914-919 |
| Number of pages | 6 |
| ISBN (Electronic) | 9781538659823 |
| DOIs | |
| Publication status | Published - 10 Dec 2018 |
| Event | 7th International IEEE Conference on Renewable Energy Research and Applications, ICRERA 2018 - Paris, France Duration: 14 Oct 2018 → 17 Oct 2018 |
Conference
| Conference | 7th International IEEE Conference on Renewable Energy Research and Applications, ICRERA 2018 |
|---|---|
| Country | France |
| City | Paris |
| Period | 14/10/18 → 17/10/18 |
Fingerprint
Keywords
- dual active bridge (DAB)
- triple phase shift (TPS)
- DC/DC converter
Cite this
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Generalized small-signal modelling of dual active bridge DC/DC converter. / Hebala, Osama M.; Aboushady, Ahmed A.; Ahmed, Khaled H.; Burgess, Sam; Prabhu, Radhakrishna.
7th International IEEE Conference on Renewable Energy Research and Applications, ICRERA 2018. Piscataway, NJ : IEEE, 2018. p. 914-919 8567014.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution book
TY - GEN
T1 - Generalized small-signal modelling of dual active bridge DC/DC converter
AU - Hebala, Osama M.
AU - Aboushady, Ahmed A.
AU - Ahmed, Khaled H.
AU - Burgess, Sam
AU - Prabhu, Radhakrishna
N1 - © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of copyrighted components of this work in other works.
PY - 2018/12/10
Y1 - 2018/12/10
N2 - this paper presents a novel generalised approach of the small-signal modelling of dual active bridge (DAB) DC/DC converter. The adopted analysis is based on a per-unit fundamental frequency representation of the DAB. The outcome of the proposed modelling approach is a small signal, linearised, state-space DAB model; which is considered as a main building block for future control applications. The developed small signal DAB model includes all possible degrees of freedom affecting the performance of the DAB; this includes the voltage conversion ratio to allow the study of all DAB operation modes (i.e.: unity-gain and buck/boost modes.). Furthermore, since triple phase shift control (TPS) is used in this development work, the proposed model incorporates phase shift in addition to duty ratios. This feature allows for bridge voltage regulation, which is essential for efficient DAB operation in the case of buck/boost operation. Another key achievement is that the proposed small signal modelling methodology can be applied to any bidirectional DC-DC converter regardless of ratings, parameter values and number of ports. Extensive simulation is carried out to verify the proposed analysis.
AB - this paper presents a novel generalised approach of the small-signal modelling of dual active bridge (DAB) DC/DC converter. The adopted analysis is based on a per-unit fundamental frequency representation of the DAB. The outcome of the proposed modelling approach is a small signal, linearised, state-space DAB model; which is considered as a main building block for future control applications. The developed small signal DAB model includes all possible degrees of freedom affecting the performance of the DAB; this includes the voltage conversion ratio to allow the study of all DAB operation modes (i.e.: unity-gain and buck/boost modes.). Furthermore, since triple phase shift control (TPS) is used in this development work, the proposed model incorporates phase shift in addition to duty ratios. This feature allows for bridge voltage regulation, which is essential for efficient DAB operation in the case of buck/boost operation. Another key achievement is that the proposed small signal modelling methodology can be applied to any bidirectional DC-DC converter regardless of ratings, parameter values and number of ports. Extensive simulation is carried out to verify the proposed analysis.
KW - dual active bridge (DAB)
KW - triple phase shift (TPS)
KW - DC/DC converter
UR - http://www.scopus.com/inward/record.url?scp=85060647697&partnerID=8YFLogxK
UR - http://hdl.handle.net/10059/3289
U2 - 10.1109/ICRERA.2018.8567014
DO - 10.1109/ICRERA.2018.8567014
M3 - Conference contribution book
SP - 914
EP - 919
BT - 7th International IEEE Conference on Renewable Energy Research and Applications, ICRERA 2018
PB - IEEE
CY - Piscataway, NJ
ER -