Electricity: power supply or regulation systems – Output level responsive – Using a transformer or inductor as the final control device
Patent
1996-06-27
1998-12-01
Berhane, Adolf
Electricity: power supply or regulation systems
Output level responsive
Using a transformer or inductor as the final control device
G05F 1253
Patent
active
058444025
ABSTRACT:
An in-line buck/boost voltage/regulating apparatus and system for delivering AC electrical power of regulated voltage from an output terminal of a main winding to an electrical load. The apparatus has an input terminal for connection to an AC power supply and comprises first, second and third ferromagnetic transformer cores having first, second and third cross-sectional areas, respectively; and these cross-sectional areas have relative sizes of X square units, Y square units and Z square units, respectively. There are first, second and third regulator windings respectively mounted on the first, second and third cores, and electromagnetically coupled with their respective cores. The first, second and third windings have first, second and third numbers of turns, respectively. Switching elements selectively connect the first, second and/or third windings across the AC supply and selectively short-circuit any of the first, second and/or third windings which are not connected across the AC supply. The main winding is mounted on the first, second and third cores and electromagnetically couples with all of them. The main winding has an input terminal for connection to the AC supply and has its output terminal for delivering AC power of regulated voltage from the output terminal to an electrical load.
REFERENCES:
patent: 3611117 (1971-10-01), Schneider
patent: 4178539 (1979-12-01), Crapo
patent: 4189672 (1980-02-01), Peschel
patent: 4330818 (1982-05-01), Peschel
patent: 4517439 (1985-05-01), Colley
Generation, Transmission And Utilization of Electrical Power, by A. T. Starr, Sir Isaac Pitman & Sons Ltd., London, Fourth Edition reprinted 1965 (first published 1937), pp. 184-187.
Standard Handbook For Electrical Engineers, Donald G. Fink, Editor in Chief, H. Wayne Beaty, Associate Editor, McGraw-Hill Book Company, Eleventh Edition Copyright 1978, pp. 10-92--10-109.
Molden Arthur
Peschel Stanley G.
Tonello Oscar
'Hubbell Incorporated
Berhane Adolf
Parmelee G. Kendall
Presson Jerry M.
Roch William C.
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