Voltage/current regulated power supply for very high output curr

Details Voltage/current regulated power supply for very high output curr Voltage/current regulated power supply for very high output curr

1975-12-10

1977-03-08

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

321 19, 323 8, 323 9, 323 20, 323 24, 323 25, G05F 150, G05F 158, G05F 160

Patent

active

040114970

ABSTRACT:
The power supply output is monitored by voltage and current mode amplifiers, which drive a shunt stabilizer according to control commands and load requirements, the shunt stabilizer altering its conduction, thereby compensating for any tendency of the output to change from its preset level. Simultaneously, the current through the shunt stabilizer is itself monitored by a control amplifier. Depending on the demands made on the shunt stabilizer (which in turn depends on the output requirements), the conduction angle of the control rectifiers in the silicon controlled rectifier phase control circuit are altered. The shunt stabilizer's current is thereby regulated. Two additional amplifiers are used to control the output current. One, the foldback amplifier, receives its input signals from the current mode amplifier and output terminals to transfer the power supply into foldback mode if an overload is present at the output terminals. The other, the limit amplifier determines the absolute maximum current which can be absorbed by the shunt stabilizer.

REFERENCES:
patent: 3124698 (1964-03-01), Semmer et al.
patent: 3152296 (1964-10-01), Meszaros
patent: 3305763 (1967-02-01), Kupferberg
patent: 3353080 (1967-11-01), Santelmann
patent: 3566245 (1971-02-01), Blokker et al.
patent: 3566252 (1971-02-01), Nercessian
R. J. Klein, Dual Response Regulator, IBM TDB vol. 10, No. 8, Jan. 1968, pp. 1212, 1213.

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