Series inverter for capacitor charging

Details Series inverter for capacitor charging Series inverter for capacitor charging

1980-11-13

1982-12-28

LaRoche, Eugene R.

Coherent light generators

Particular pumping means

Pumping with optical or radiant energy

315241R, 320 1, 363 58, 363 96, H02M 7515

Patent

active

043665705

ABSTRACT:
A series inverter, high voltage capacitor charging circuit includes current sensors for sensing the current through each SCR in the circuit. The sensed current is used to vary the gating frequency of the SCRs and to preclude firing of an SCR until the other is in a stable off condition. The gating of each SCR is delayed by an amount of time determined by a control capacitor charging circuit. That charging circuit is inhibited as long as one of the SCRs is conducting and once the load voltage has reached a predetermined level. The time constant of that charging circuit can be changed as the desired level is approached.

REFERENCES:
patent: 3541420 (1970-11-01), Rees
patent: 3541421 (1970-11-01), Buchman
patent: 3852656 (1974-12-01), Bourbeau
patent: 3860864 (1975-01-01), Fitz
patent: 4078247 (1978-03-01), Albrecht
patent: 4107771 (1978-08-01), Anderson et al.
patent: 4112286 (1978-09-01), Alderman et al.
patent: 4129809 (1978-12-01), Rosa
patent: 4180853 (1979-12-01), Scorso, Jr. et al.
patent: 4197575 (1980-04-01), Young
patent: 4204268 (1980-05-01), Vivirito
Cronin, 2800 Watt Series Inverter DC Power Supply, PCSC 1971 Record, pp. 117-123.
Schwarz, A Series Capacitor Inverter--Converter For Multikilowatt Power Conversion, NASA Technical Report, R-336, Apr. 1970.

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