Current limiter and VAR generator utilizing a superconducting co

Details Current limiter and VAR generator utilizing a superconducting co Current limiter and VAR generator utilizing a superconducting co

1982-05-12

1984-03-20

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Impedance insertion

323360, 323363, H02H 902

Patent

active

044384742

ABSTRACT:
A current control device which may act as a current limiter and/or a VAR generator through the use of a superconducting inductor is taught. In one of the embodiments of the present invention, a full wave bridge rectifier network is serially inserted in one leg of a high voltage transmission system. The output of the full wave bridge network has connected between it a superconducting coil in series with a bias supply. The biasing supply circulates current in the inductor. Should the line current exceed the value of the current circulating in the inductor, the inductor impedes the increase of current giving sufficient time for current interruption devices, should they be utilized, to operate. Additionally, the biasing supply may act as a VAR generator by controlling the current in the superconductor or in the power supply feeding it.

REFERENCES:
patent: 3027466 (1962-03-01), Roalef

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