Electricity: power supply or regulation systems – Remote sensing
Patent
1973-06-11
1976-03-16
Goldberg, Gerald
Electricity: power supply or regulation systems
Remote sensing
323 8, 323 79, 323 81, G05F 700
Patent
active
039449092
ABSTRACT:
Apparatus is described that regulates the transfer of voltage, current, or power from an AC line to a load. The basic controller comprises an inductive element and a switch whose closing converts the inductive element from a series inductance between line and load to a step-down auto-transformer between line and load thus reducing the voltage available to the load and thereby reducing or terminating energy transfer to the load. The switch is connected in series with the inductive element and the combination of the switch and one winding of the auto-transformer is connected in parallel with the load. The controller can therefore be thought of as a switched reactance AC shunt regulator. Theoretically, shunt power in the controller is losslessly returned to the source. The controller is used to regulate any parameter related to the current through the load, the voltage across the load, or the power dissipated by the load simply by controlling the switch with any suitable means for sensing that parameter.
REFERENCES:
patent: 1843745 (1932-02-01), Thompson
patent: 3209239 (1965-09-01), D'Agostino
patent: 3270270 (1966-08-01), Yenisey
patent: 3312891 (1967-04-01), McCabe et al.
patent: 3370223 (1968-02-01), Senetcen
patent: 3408558 (1968-10-01), Petersen et al.
patent: 3470444 (1969-09-01), Bixby
patent: 3621374 (1971-11-01), Kettler
patent: 3778699 (1973-12-01), Hoffman
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