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Design Methodology and Parametric Design Study of the On-Board Electrical Power System for Hybrid Electric Aircraft Propulsion

Valente, Giorgio; Sumsurooah, Sharmila; Ian Hill, Christopher; Rashed, Mohamed; Vakil, Gaurang; Bozhko, Serhiy; Gerada, Chris

Design Methodology and Parametric Design Study of the On-Board Electrical Power System for Hybrid Electric Aircraft Propulsion Thumbnail


Authors

Giorgio Valente

Christopher Ian Hill

Mohamed Rashed



Abstract

This paper presents parametric design studies of the on-board Electrical Power System (EPS) for a distributed hybrid aircraft propulsion. The work presents the methodology that has been adopted to develop the physics-based models of the EPS components that comprise the electrical machines, power electronic converters, batteries, solid state circuit breakers and power cables. The EPS model is a sizing tool that can be used to evaluate the mass and dimensions of its main components. In addition, it determines the thermal performance of the EPS over six key flight stages of the aircraft mission. The EPS model has been created within a wider multidisciplinary design platform with the aim of sizing the overall aircraft configuration including the aircraft thermal system, the gas turbines and the electrically propelled fans together with the aircraft structure. This paper focusses on the EPS and presents the assessments of three key parameters which are the battery specific energy density, the electric propulsion power and the power split ratio between the generator and the battery. The assessment results demonstrate the significant impact the aforementioned parameters can have on the weight of the battery, the electrical power system and hence the aircraft fuel burn. The work developed within the Clean Sky 2 TRADE project is vital as it develops and applies important physics-based multidisciplinary tools that are required to identify optimum solutions amidst the large number of available conceptual hybrid aircraft architectures.

Citation

Valente, G., Sumsurooah, S., Ian Hill, C., Rashed, M., Vakil, G., Bozhko, S., & Gerada, C. (2020). Design Methodology and Parametric Design Study of the On-Board Electrical Power System for Hybrid Electric Aircraft Propulsion.

Presentation Conference Type Conference Paper (Published)
Conference Name 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)
Start Date Dec 15, 2020
End Date Dec 17, 2020
Acceptance Date Nov 6, 2020
Publication Date Dec 15, 2020
Deposit Date Feb 24, 2021
Publicly Available Date Feb 24, 2021
Public URL https://nottingham-repository.worktribe.com/output/5348103
Related Public URLs https://events2.theiet.org/pemd/index.cfm

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