Resonant circuit arrangement for switching the current in an ind

Details Resonant circuit arrangement for switching the current in an ind Resonant circuit arrangement for switching the current in an ind

1985-07-18

1987-10-13

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307540, 361 91, 361113, H03K 326, H03K 508, H02H 101

Patent

active

047000830

ABSTRACT:
A circuit for switching current in an inductive load comprising at least one semiconductor switch which periodically switches the current through the load by means of its main current path which is switched alternately to the conductive and to the non-conductive state. A voltage-limiting element for limiting the voltage occuring at it is connected parallel to this main current path. Voltage peaks occuring in the non-conductive state across the main current path are reduced in that the voltage-limiting element (10,11) has a resonance having an oscillation period which is at most approximately 2/3 of the time interval (tn) in which the main current path is non-conducting.

REFERENCES:
patent: 2332811 (1943-10-01), Rankin et al.
patent: 2557634 (1971-08-01), Flaig

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