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Title:
Satellite battery reconditioning system and method
Abstract:
Reduction of battery effectiveness due to memory effect and unequal cell voltages is minimized by a spacecraft power control system which reconditions the battery preferably just prior to eclipse seasons of a geo-stationary orbit by discharging each battery cell through a network of shunting resistors. Recharging is accomplished by a low power dissipation charging sequence. The load of the system, except for during the eclipse season, is receiving power continuously from the solar cells and during peak load requirements receives supplementary power from the battery cells. During the eclipse seasons, the system power is supplied solely by the battery cells.
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Inventors:
Newell, Richard Abbott (Fair Haven, NJ, US) Bacher, Joel Herman (Kendall Park, NJ, US) Bilsky, Herbert Walter (Trenton, NJ, US) Callen, Patrick Joseph (Yardley, PA, US)
Application Number:
527835
Filing Date: 1974-11-27 Publication_date: 1976-12-14 Assignee:
RCA Corporation (New York, NY)
Primary Class(es):
320/102
320/118, 320/131, 320/152, 320/DIG16
Other Classes:
US Patent Ref:
Other Refs:
Other References:
Dunlop, "Communications Satellite Power Conditioning Systems", PCSC Record, pp. 5-11, (Apr. 20-27, 1970). |