Electricity: battery or capacitor charging or discharging – Wind – solar – thermal – or fuel-cell source
Patent
1998-04-13
2000-04-11
Riley, Shawn
Electricity: battery or capacitor charging or discharging
Wind, solar, thermal, or fuel-cell source
323906, H01M 1046
Patent
active
060491906
ABSTRACT:
A spacecraft power system having an increased number of battery cells that is charged to the battery's full capacity, which exceeds a predetermined maximum voltage allowed by a bus. The battery can be disconnected from the bus during charging. The battery is then partially discharged to accommodate the bus before being reconnected. This provides a reduced voltage range experienced by the bus, as the minimum battery voltage is increased by the increased number of cells. A tap is provided to supply the bus with power when the battery is disconnected from the bus, and when a solar array powering the bus fails to supply current to the bus.
REFERENCES:
patent: 4731870 (1988-03-01), Black et al.
patent: 4888702 (1989-12-01), Gerken et al.
patent: 5153497 (1992-10-01), Eiden
patent: 5631535 (1997-05-01), Van Der Merwe
patent: 5734205 (1998-03-01), Okamura et al.
Canter Stanley
Hall John C
Riley Shawn
Space Systems Loral, Inc.
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