Solar cell power system with a solar array bus lockup cancelling

Details Solar cell power system with a solar array bus lockup cancelling Solar cell power system with a solar array bus lockup cancelling

1990-09-07

1991-06-18

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 14, 323906, H02J 700

Patent

active

050252020

ABSTRACT:
A solar cell power system includes a device which determines the occurrence of solar array bus lockup by detecting the voltage of the power bus, the discharge current of the storage battery, and the solar array current (or the load current) and performing a calculation using these items of data in addition to the regulated bus voltage to emit a lockup signal, by which the magnitude of the load is reduced, thereby cancelling the lockup state. Alternatively, a solar cell system may include a lockup cancelling drive device, which accumulates in a coil cancelling-drive, energy supplied from the storage battery and then discharges this energy to the power bus, thereby cancelling the lockup stage without reducing the magnitude of the load.

REFERENCES:
patent: 3600599 (1971-08-01), Wright et al.
patent: 4281278 (1981-07-01), Bilsky et al.
patent: 4313078 (1982-01-01), Bilsky et al.
patent: 4404472 (1983-09-01), Steigerwald
patent: 4678983 (1987-07-01), Rouzies
patent: 4714868 (1987-12-01), Maruyama et al.
Capel et al.; "Influence of the Bus Regulation on Telecommunication Spacecraft Power System and Distribution"; IEEE PESC, Jun. 24-28, 1985, pp. 307-318.
Lacore, "Analysis of Power Bus Topology Used in Telecommunications Satellites"; Proceedings of the European Space Power Conference, Oct. 2-6, 1989, pp. 99-109.

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