Design consideration for magnetically suspended flywheel systemsConsideration is given to the design, fabrication, and testing of a magnetically suspended flywheel system for energy storage applications in space. The device is the prototype of a system combining passive suspension of the flywheel plate by samarium cobalt magnets and active control in the radial direction using eight separate magnetic coils. The bearing assembly was machined from a nickel-iron alloy, and the machine parts are all hydrogen annealed. Slots in the magnetic plate allow four independent quadrants for control. The motor/generator component of the system is a brushless dc-permanent magnetic/ironless engine using electronic communication. The system has been tested at over 2500 rpm with satisfactory results. The system characteristics of the flywheel for application in low earth orbit (LEO) are given in a table.
Document ID
19860040137
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Anand, D. (Maryland Univ. College Park, MD, United States)
Kirk, J. A. (Maryland Univ. College Park, MD, United States)
Frommer, D. A. (Maryland, University College Park, United States)