Xiaoyu Lang
A Dual-Channel-Enhanced Power Generation Architecture With Back-to-Back Converter for MEA Application
Lang, Xiaoyu; Yang, Tao; Li, Chen; Enalou, Hossein Balaghi; Bozhko, Serhiy; Wheeler, Patrick
Authors
Professor TAO YANG TAO.YANG@NOTTINGHAM.AC.UK
PROFESSOR OF AEROSPACE ELECTRICALSYSTEMS
Chen Li
Hossein Balaghi Enalou
Professor SERHIY BOZHKO serhiy.bozhko@nottingham.ac.uk
PROFESSOR OF AIRCRAFT ELECTRIC POWER SYSTEMS
Professor PATRICK WHEELER pat.wheeler@nottingham.ac.uk
PROFESSOR OF POWER ELECTRONIC SYSTEMS
Abstract
This article proposes an improved power generation architecture (PGA) for future more electric aircraft applications. In the proposed architecture, a starter/generator is connected to the high-pressure (HP) shaft, and a generator is connected to the low-pressure (LP) shaft. Their outputs supply a common dc bus via active power converters. A back-to-back (B2B) converter is deployed to link the ac terminals of the two generators. The proposed topology embraces three main advantages. First, with the B2B converter, the HP generator can operate at a high speed without flux weakening; thus, the magnitude of stator current will be decreased when output same active power. This will lead to the reduction of power losses on the generators and the active rectifiers. Second, the proposed PGA allows power transfer from the LP and to the HP shafts. This can potentially reduce the fuel consumption and increase aircraft engine compressor surge margins when the engine is at low-speed setting. Third, the B2B converter provides an additional power flow path to the generators under converter fault scenarios, hence improving the postfault operation ability. For the proposed PGA, engine benefits, modeling, control design, and efficiency improvements are illustrated in detail. The control performances of the proposed PGA, engine performance improvement by transferring power from the LP to HP shaft, and power loss reduction are verified via simulations and experimental results collected from a twin-shaft aircraft power generation test rig.
Citation
Lang, X., Yang, T., Li, C., Enalou, H. B., Bozhko, S., & Wheeler, P. (2020). A Dual-Channel-Enhanced Power Generation Architecture With Back-to-Back Converter for MEA Application. IEEE Transactions on Industry Applications, 56(3), 3006-3019. https://doi.org/10.1109/tia.2020.2974145
Journal Article Type | Article |
---|---|
Online Publication Date | Feb 17, 2020 |
Publication Date | 2020-05 |
Deposit Date | Nov 20, 2024 |
Journal | IEEE Transactions on Industry Applications |
Print ISSN | 0093-9994 |
Electronic ISSN | 1939-9367 |
Publisher | Institute of Electrical and Electronics Engineers |
Peer Reviewed | Peer Reviewed |
Volume | 56 |
Issue | 3 |
Pages | 3006-3019 |
DOI | https://doi.org/10.1109/tia.2020.2974145 |
Keywords | Control and Systems Engineering; Electrical and Electronic Engineering; Industrial and Manufacturing Engineering |
Public URL | https://nottingham-repository.worktribe.com/output/4373261 |
Publisher URL | https://ieeexplore.ieee.org/document/9000697 |
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