Controlled power transferring device and method utilizing a reac

Details Controlled power transferring device and method utilizing a reac Controlled power transferring device and method utilizing a reac

1974-07-12

1976-01-13

Goldberg, Gerald

Electricity: power supply or regulation systems

Remote sensing

323 62, 323 86, G05F 120

Patent

active

039328023

ABSTRACT:
A power transferring method and device of the controlled reactance type designed to regulate or control the application of alternating current electric power to a load. Reactance is controlled by using the signal to be controlled to develop a controlled magnetic flux in opposition to the reactive magnetic flux, the resulting flux cancellation effectively eliminating reactance. The device includes a reactance means with a core and a first coil around the core to be connected into the circuit in which power transfer is to be controlled. The opposing magnetic flux in the core is developed by a second coil around the core and having one end connected to one end of the first coil. Controllable means, such as an SCR, connect the other end of the first coil to the other end of the second coil to place the two coils in parallel. The coils are arranged on the reactor core so that parallel currents through the coils produce opposing magnetic fluxes in the core. By selective operation of the controllable means, the reactance of the device can be varied over a wide range with efficient power transfer.

REFERENCES:
patent: 2497218 (1950-02-01), Hart
patent: 3436600 (1969-04-01), Salo
patent: 3466531 (1969-09-01), Chin
patent: 3624491 (1971-11-01), Fidi et al.

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