Regulated power supply and method

Details Regulated power supply and method Regulated power supply and method

1989-06-26

1991-02-19

Pellinen, A. D.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

307 48, 323249, 323254, 323273, 323281, H02J 906, G05F 146, G05F 156

Patent

active

049946854

ABSTRACT:
The subject invention is a power supply comprising a magnetic amplifier, filter, back-up battery, switch-over regulating circuit and error amplifier. The magnetic amplifier receives a plurality of AC pulses and controls the pulse width of the pulses. The filter converts the pulses to a DC output. The switch-over regulating circuit connects the battery to the DC output. The error amplifier monitors the DC output and provides, at its output, an error signal to the magnetic amplifier and the switch-over regulating circuit.

REFERENCES:
patent: 4065676 (1977-12-01), Elias
patent: 4225792 (1980-09-01), Fahey
patent: 4343034 (1982-08-01), Wells et al.
patent: 4354118 (1982-10-01), Spencer
patent: 4389581 (1983-06-01), Iwasaki
patent: 4460955 (1984-07-01), Hattori et al.
patent: 4488057 (1984-12-01), Clarke
patent: 4510400 (1985-04-01), Kiteley
patent: 4551670 (1985-11-01), Anders et al.
patent: 4760322 (1988-07-01), Crampton
patent: 4849874 (1989-07-01), Buck et al.

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