Aircraft electrical systems - coping with harmonics for changing power demands

K. Fong, Stuart Galloway, I. Harrington, Graeme Burt

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

5 Citations (Scopus)


Future electrical loads and increasing load trends will eventually exceed generating capacities of existing Electrical Power Systems (EPS) designs in fast jet aircraft. Space constraints, weight constraints and aerodynamic implications means simply up scaling generator size is impractical. The future addition of avionics, pilot interfaces, sensor system upgrades such as radar and the shift to the More Electric Aircraft (MEA) will contribute to the inevitable rise. This situation drives the need to increase existing electrical efficiencies or improve the design of the EPS. This paper looks into the efficiency issues from the perspective of on board power quality in conjunction with harmonics. The context of investigation is; existing fast jet EPS that utilise constant frequency AC primary electrical power achieved through constant speed drive. A literature review and modelling of nonlinear loads of such aircraft EPS allow understanding and aid investigation.
Original languageEnglish
Title of host publicationProceedings of the 44th International Universities Power Engineering Conference (UPEC), 2009
Place of PublicationNew York
Number of pages5
ISBN (Print)9781424468232
Publication statusPublished - 2009
Event44th International Universities Power Engineerting Conference - Glasgow, United Kingdom
Duration: 1 Sept 20094 Sept 2009


Conference44th International Universities Power Engineerting Conference
Country/TerritoryUnited Kingdom


  • EPS
  • constant frequency
  • current injection
  • nonlinear loads
  • aircraft
  • fast jet
  • power quality
  • harmonics


Dive into the research topics of 'Aircraft electrical systems - coping with harmonics for changing power demands'. Together they form a unique fingerprint.

Cite this