Synchronous control device for a static relay by a high frequenc

Details Synchronous control device for a static relay by a high frequenc Synchronous control device for a static relay by a high frequenc

1974-11-19

1976-05-04

Dixon, Harold A.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307320, H03K 1760

Patent

active

039551040

ABSTRACT:
This invention relates to a synchronous device for a static relay by a high frequency signal.
According to this invention, a high frequency alternating signal source is serially connected with a diode between the anode a and the gate g of a thyristor, the main terminals a and b of which are connected to the terminals of a charge and supply circuit. The thyristor can be triggered only when the voltage between these terminals is lower than a threshold value and control signal is provided for high frequency source. The invention also provides for high frequency synchronous control methods for bidirectional devices.
The invention is applicable to a very simple and cheap control system of static relays.

REFERENCES:
patent: 3324355 (1967-06-01), Gessner et al.
patent: 3582684 (1971-06-01), Gregson
patent: 3745379 (1973-07-01), Gross

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