Power supply providing constant power output

Details Power supply providing constant power output Power supply providing constant power output

1978-12-29

1981-01-13

Shoop, William M.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

324119, H02M 706

Patent

active

042452945

ABSTRACT:
A power supply for developing substantially constant average power in a variable resistance load (18) from an alternating polarity source (11) comprises an AC portion including serially connected capacitor means (12), and a DC portion including rectifying means (20) for providing a polarized signal to load resistance (18) and inductor means (17) for maintaining a charging current through a path including capacitor means (12). The constant average power mode obtains when the range of values of load resistance (18) is less than a network parameter determined from the frequency of source (11) and value of capacitor means (12).

REFERENCES:
patent: 3001120 (1961-09-01), Bereskin
patent: 3286185 (1966-11-01), Gilbert
patent: 3304440 (1967-02-01), Sillers, Jr.
patent: 4045722 (1977-08-01), Tachibana
patent: 4131939 (1978-12-01), Day
Electric Design 24.sub.2 "Capacitor Drops Voltage with Little Heat for Low-Cost, Low Voltage Power Supply," D. Thom., Nov. 22, 1975, p. 148.
IEEE Trans. on Industrial Electronics & Control Instrumentation, "Constant Voltage, Current, and Power: A Circuit for all Reasons," D. A. Pace, vol. 1EC1-25, #1, Feb. 1978, pp. 55-58.

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