Electricity: power supply or regulation systems – Remote sensing
Patent
1974-07-18
1976-02-10
Goldberg, Gerald
Electricity: power supply or regulation systems
Remote sensing
323 62, 323 86, 323 87, G05F 700
Patent
active
039380300
ABSTRACT:
A controllable power transferring device of the type used for controlling or regulating the application of A.C. electric power to a load by means of a reactance controlled by selectively short-circuiting a control coil with a controllable short-circuiting switch such as an SCR. The device employs a power transformer with a power core and a primary coil and a secondary coil each encircling the power core. A control core, separate from the power core, is encircled by the selectively short-circuited coil and is also encircled by one of the primary or secondary coils to subject that coil to the controlled reactance of the control core. By arranging the primary or secondary coil to encircle both independent cores, more efficient use is made of core and coil material, and more efficient controlled power transfer is obtained.
REFERENCES:
patent: 1901768 (1933-03-01), Norris
patent: 2907946 (1959-10-01), Hooper, Jr.
patent: 3184675 (1965-05-01), Macklem
patent: 3199018 (1965-08-01), Macklem
patent: 3466531 (1969-09-01), Chin
patent: 3624491 (1971-11-01), Fidi et al.
patent: 3739257 (1973-06-01), Hunter
Goldberg Gerald
Lazaroff Joseph L.
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