High power density generator concepts for aerospace electric power

Author

Hawsey, R.A. ; Bailey, J.M. ; Allington, W.J. ; McGrath, S.V. ; Sartory, W.K. ; Simmons, C.M. ; Thomas, R.J. ; Young, R.W., Sr.

Author_Institution

Oak Ridge Nat. Lab., TN, USA

fYear

1989

fDate

6-11 Aug 1989

Firstpage

1109

Abstract

A parametric design study for high-power-density electric generators was performed to assess the merits of the axial gap approach developed at the Oak Ridge National Laboratory. Rotor plate stress calculations, thermal analyses, and shaft and bearing evaluations were performed with generator speed and power levels as the primary variables. The speed range of 3000 to 100000 r.p.m. and power levels from 10 to 1000 kW were taken as bounds for the study. Parametric curves suggest that generators in the 1 MW output class may be constructed with specific weights <0.1 kg/kW. Innovative cooling methods and insulation considerations are presented

Keywords

electric generators; space vehicle power plants; 10 to 1000 kW; Oak Ridge National Laboratory; aerospace electric power; axial gap approach; bearing evaluations; cooling; generator speed; high-power-density electric generators; insulation; power levels; rotor plate stress calculations; shaft evaluations; thermal analyses; Cooling; Generators; Insulation; Laboratories; Performance analysis; Performance evaluation; Power generation; Rotors; Shafts; Thermal stresses;

fLanguage

English

Publisher

ieee

Conference_Titel

Energy Conversion Engineering Conference, 1989. IECEC-89., Proceedings of the 24th Intersociety

Conference_Location

Washington, DC

Type

conf

DOI

10.1109/IECEC.1989.74606

Filename

74606