Protection system considerations for DC distributed electrical propulsion systems

C. E. Jones, K. Davies, P. Norman, S. Galloway, G. Burt, M. Armstrong, A. Bollman

Research output: Contribution to conferencePaperpeer-review

2 Citations (Scopus)
249 Downloads (Pure)


Distributed electrical propulsion for aircraft, also known as turbo-electric 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.
Original languageEnglish
Number of pages9
Publication statusPublished - 15 Sept 2015
EventSAE Aerotech Congress and Exhibition - Seattle, WA., United States
Duration: 21 Sept 201524 Sept 2015


ConferenceSAE Aerotech Congress and Exhibition
Country/TerritoryUnited States
CitySeattle, WA.


  • turbo-electric distributed propulsion
  • aero-electrical power systems
  • electrical protection
  • supercondutcting


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