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Simplification of power electronics for ion thruster neutralizersA need exists for less complex and lower cost ion thruster systems. Design approaches and the demonstration of neutralizer power electronics for relaxed neutralizer keeper, tip heater, and vaporizer requirements are discussed. The neutralizer circuitry is operated from a 200 to 400 V bus and demonstrates an order of magnitude reduction in parts count. Furthermore, a new technique is described for regulating tip heater power and automatically switching over to provide keeper power with only four additional components. A new design to control the flow rate of the neutralizer with one integrated circuit is also presented.
Document ID
19830003871
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Gruber, R. P. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 4, 2013
Publication Date
January 1, 1982
Subject Category
Spacecraft Propulsion And Power
Report/Patent Number
E-1441
NAS 1.15:83004
AIAA PAPER 82-1880
NASA-TM-83004
Meeting Information
Meeting: Intern. Electric Propulsion Conf.
Location: New Orleans
Start Date: November 17, 1982
End Date: November 19, 1982
Accession Number
83N12141
Funding Number(s)
PROJECT: RTOP 506-55-22
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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