Chen Li
A Novel Space Vector Modulation Technique For Three Level NPC Converters Within Aircraft Starter Generator Systems
Li, Chen; Lo Calzo, Giovanni; Bozhko, Serhiy; Gerada, Chris; Wheeler, Patrick; Yang, Tao
Authors
Giovanni Lo Calzo
Professor SERHIY BOZHKO serhiy.bozhko@nottingham.ac.uk
PROFESSOR OF AIRCRAFT ELECTRIC POWER SYSTEMS
Professor CHRISTOPHER GERADA CHRIS.GERADA@NOTTINGHAM.AC.UK
PROFESSOR OF ELECTRICAL MACHINES
Professor PATRICK WHEELER pat.wheeler@nottingham.ac.uk
PROFESSOR OF POWER ELECTRONIC SYSTEMS
Professor TAO YANG TAO.YANG@NOTTINGHAM.AC.UK
PROFESSOR OF AEROSPACE ELECTRICALSYSTEMS
Abstract
The neutral point voltage balancing issue for three level Neutral point clamped (NPC) converter has been extensively investigated recently. Different solutions to balance the neutral point have been proposed. However the proposed solutions so far either requires extra devices thus increasing the overall system size and weight or not desirable under low power factor, low pulse ratio and high modulation index conditions. This paper introduces a novel space vector modulation technique for an innovative aircraft starter generator system. The proposed method is capable of maintaining neutral point (NP) voltage balanced and ripple minimized at full power factor range, high modulation indices and low pulse ratio. The paper also provides detailed analysis into the sources of neutral point voltage imbalances and ripples. An aircraft electrical starter/generator system with a three-level NPC converter is studied in this paper. The simulation results in the Matlab/PLECS environment have demonstrated the effectiveness of the proposed technique.
Citation
Li, C., Lo Calzo, G., Bozhko, S., Gerada, C., Wheeler, P., & Yang, T. (2017, November). A Novel Space Vector Modulation Technique For Three Level NPC Converters Within Aircraft Starter Generator Systems. Presented at 4th International Symposium on More Electric Aircraft (MEA 2017), Beijing, China
| Presentation Conference Type | Edited Proceedings |
|---|---|
| Conference Name | 4th International Symposium on More Electric Aircraft (MEA 2017) |
| Start Date | Nov 8, 2017 |
| End Date | Nov 9, 2017 |
| Acceptance Date | Sep 25, 2017 |
| Online Publication Date | Nov 9, 2017 |
| Publication Date | Nov 9, 2017 |
| Deposit Date | Mar 10, 2020 |
| Publicly Available Date | Mar 12, 2020 |
| Keywords | Electric Starter Generator; Surface Mount PMSM; Three Level Neutral Point Clamped Inverter; Neutral Point Balancing |
| Public URL | https://nottingham-repository.worktribe.com/output/4121498 |
| Related Public URLs | http://mea2017.events.theiet.org.cn/ |
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