Development of voltage standards for turbo-electric distributed propulsion aircraft power systems

Bollman, Andrew M.; Armstrong, Michael J.; Jones, C. E.; Norman, Patrick; Galloway, Stuart

doi:10.1109/esars.2015.7101488

Cited by 4 publications

(2 citation statements)

References 3 publications

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“…The PHIL platform is already used within the wider PNDC programme of work for utility projects and there is potential and an aspiration to expand into other domains & applications. This would build on the existing University of Strathclyde capability in these areas that exists in the main campus, some related work is listed in [2], [5]- [7]. 2.…”

Section: Future Workmentioning

confidence: 99%

Performance Optimisation of a Flywheel Energy Storage System using the PNDC Power Hardware in the Loop Platform

Jennett¹,

Downie²,

Avras³

et al. 2019

Proceedings of the Engine as a Weapon International Symposium (EAAW)

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The UKMOD has an objective to improve the efficiency and flexibility associated with the integration of naval electrical systems into both new and existing platforms. A more specific challenge for the MOD is in the de-risking of the integration of future pulse and stochastic loads such as Laser Directed Energy Weapons. To address this the Power Networks Demonstration Centre (PNDC) naval research programme is focused towards understanding and resolving the associated future power system requirements. To address these challenges, the UK MOD and the PNDC have worked collaboratively to develop a 540kVA Power Hardware in the Loop (PHIL) testing facility. For the UK MOD this supports the “UK-US Advanced Electric Power and Propulsion Project Arrangement (AEP3).” This testing facility has been used to explore the capabilities of PHIL testing and evaluate a Flywheel Energy Storage System (FESS) in a notional ship power system environment. This testing provided an opportunity to develop and further validate the capability of the PHIL platform for continued marine power system research. This paper presents on the results from PHIL testing of the FESS at PNDC, which involved both characterisation and interfacing the FESS within a simulated ship power system. The characterisation tests involved evaluating the: response to step changes in current reference; frequency and impedance characteristics; and response during uncontrolled discharge. The ship power system testing involved interfacing the FESS to a simulated real time notional ship power system model and evaluating the response of the FESS and the impact on the ship power system under a range of different operational scenarios. This paper also discuss the links between FESS characterisation testing and the development of the energy management system implemented in the real time model. This control system was developed to schedule operation of the FESS state (charging, discharging and idle) with the other simulated generation sources (the active front end and battery storage) and with the loads within the ship power system model. Finally, this paper highlights how the testing at PNDC has also supported the comparison and validation of previous FESS testing at Florida State University’s Centre Advanced Power Systems (FSU CAPS) facility, and how the combined efforts help to collectively de-risk future load Total Ship Integration and Evolving Intelligent Platforms in both UK and US programmes via the AEP3 PA.

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Section: Future Workmentioning

confidence: 99%

Performance Optimisation of a Flywheel Energy Storage System using the PNDC Power Hardware in the Loop Platform

Jennett¹,

Downie²,

Avras³

et al. 2019

Proceedings of the Engine as a Weapon International Symposium (EAAW)

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“…Aero-electrical systems require an adequate protection system to ensure that the occurrence of an electrical fault does not present a safety risk to the aircraft and its occupants, and ultimately to enable the aircraft to continue in flight and land safely afterwards. Appropriate power quality standards for TeDP aircraft however have yet to be developed [11]. To develop an understanding for what performance requirements may be expected from a TeDP aircraft in the event of an engine out or loss of propulsor scenario, current FAA and European Aviation Safety Agency (EASA) Extended Operations (ETOPS) regulations are considered [12,13].…”

Section: Central Role Of Protection System In An Aero-electrical Powementioning

confidence: 99%

Protection System Considerations for DC Distributed Electrical Propulsion Systems

Jones¹,

Davies²,

Norman³

et al. 2015

SAE Technical Paper Series

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Distributed electrical propulsion for aircraft, also known as turboelectric distributed propulsion (TeDP), will require a complex electrical power system which can deliver power to multiple propulsor motors from gas turbine driven generators. To ensure that high enough power densities are reached, it has been proposed that such power systems are superconducting. Key to the development of these systems is the understanding of how faults propagate in the network, which enables possible protection strategies to be considered and following that, the development of an appropriate protection strategy to enable a robust electrical power system with fault ride-through capability. This paper investigates possible DC protection strategies for a radial DC architecture for a TeDP power system, in terms of their ability to respond appropriately to a DC fault and their impact on overall system weight and efficiency. This latter aspect has already been shown to be critical to shaping the overall TeDP concept competitiveness.

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Flatness based control of an HVDC bus powered by a turboshaft with multiple generators and optimization of power sharing

Barraco¹,

Pierfederici²,

Nahid‐Mobarakeh³

et al. 2020

2020 IEEE Transportation Electrification Conference &Amp; Expo (ITEC)

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Development of voltage standards for turbo-electric distributed propulsion aircraft power systems

Cited by 4 publications

References 3 publications

Performance Optimisation of a Flywheel Energy Storage System using the PNDC Power Hardware in the Loop Platform

Performance Optimisation of a Flywheel Energy Storage System using the PNDC Power Hardware in the Loop Platform

Protection System Considerations for DC Distributed Electrical Propulsion Systems

Flatness based control of an HVDC bus powered by a turboshaft with multiple generators and optimization of power sharing

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