Electricity: power supply or regulation systems – In shunt with source or load – Using choke and switch across source
Patent
1985-08-30
1987-09-01
Wong, Peter S.
Electricity: power supply or regulation systems
In shunt with source or load
Using choke and switch across source
323906, 363 21, 363 26, 307 72, G05F 500
Patent
active
046911596
ABSTRACT:
This regulating system for an array of solar panels or the like consists of a tap connection into the array, and a boost switching regulator connected to the tapped array. The tap connection divides the array into first and second portions, and the switching regulator is connected so that its power-input terminals are across only one of the two portions of the array. The power-output terminals of the switching regulator are connected across the load (i.e., across the entire array), and the sensing or feedback terminals of the regulator receive a signal which acts as a measure of voltage or current at the load.
Boost regulators do not dump overvoltage into a dissipative load; hence the invention prevents local heat generation and resulting spacecraft heat-balance problems of conventional dissipative regulators. Furthermore, in the circuit of the present invention, negligible power flows through the regulator at the end of the solar-panel useful life; hence efficiency losses in the boost regulator itself are avoided when power is at its greatest premium.
REFERENCES:
patent: 4375662 (1983-03-01), Baker
Ahrens Allan F.
Martinelli Robert M.
Hughes Aircraft Company
Karambelas A. W.
Meltzer Mark J.
Sawyer, Jr. Joseph A.
Wong Peter S.
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