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This paper presents a detailed analysis of the dynamic behaviour of a hybrid ac-dc electric power system under large disturbances. The system under study is representative of a power distribution network which is currently being developed for future "more electric" aircraft (MEA). Brayton-Moser mixed potential is employed along with Lyapunov stability theorems to determine an analytical estimation of the large-signal stability boundary of the system. Extensive time- domain simulations using detailed behavioural models of the power system components are undertaken. It is shown that the analytically derived region of attraction agrees reasonably well with that obtained from the time-domain simulation. The predicted instability is experimentally validated.
Published in:
Aerospace and Electronic Systems, IEEE Transactions on
(Volume:48
,
Issue:
1
)
Date of Publication: Jan. 2012
- Page(s):
- 477 - 489
- ISSN :
- 0018-9251
- INSPEC Accession Number:
- 12472079
- Digital Object Identifier :
- 10.1109/TAES.2012.6129649
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 16 January 2012
- Issue Date :
- Jan. 2012
- Sponsored by :
- Aerospace & Electronic Systems Society
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