Gate pulse power supply for static alternating current switch

Details Gate pulse power supply for static alternating current switch Gate pulse power supply for static alternating current switch

1974-05-21

1976-02-10

Goldberg, Gerald

Electricity: power supply or regulation systems

Remote sensing

307252T, 307252Q, 321 27R, G05F 156

Patent

active

039380327

ABSTRACT:
An alternating current static switch comprising two branch circuits connected in inverse parallel circuit relation and having at least three semiconductor devices in series in each branch circuit has anode-to-cathode cross connections between oppositely poled devices at each voltage level. A single gate pulse transformer having secondary windings equal in number to the number of cross connections supplies positive gate current pulses to all semiconductor devices in both branch circuits once each half cycle of impressed circuit voltage. Each secondary winding has its negative terminal connected to one cross connection and its positive terminal connected to the gates of all devices having cathodes connected to the same cross connection.

REFERENCES:
patent: 3243689 (1966-03-01), Perrins
patent: 3405343 (1968-10-01), Boksjo
patent: 3693069 (1972-09-01), Kelley, Jr. et al.
patent: 3729670 (1973-04-01), Dewey
patent: 3766409 (1973-10-01), Shuey

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