Inverter device using gate turn-off thyristors

Details Inverter device using gate turn-off thyristors Inverter device using gate turn-off thyristors

1983-03-03

1985-10-22

Wong, Peter S.

Electric power conversion systems

Current conversion

Having plural converters for single conversion

363 64, H02M 7515

Patent

active

045492581

ABSTRACT:
Herein disclosed is an inverter device which includes two or more groups of unit switching circuits connected in parallel with a d.c. power source and each having gate turn-off thyristors connected in series with each other. Further inclusive are current balancing reactors, which are respectively connected between the series nodes of the gate turn-off thyristors of the respective groups, and a.c. output terminals respectively leading out from intermediate points of the aforementioned reactors.

REFERENCES:
patent: 2195308 (1940-03-01), Herskind
patent: 3386027 (1968-05-01), Kilgore
patent: 3943429 (1976-03-01), Heintze
Principles of Inverter Circuits by B. D. Bedford et al., pp. 166 to 175.
Pulswechselrichter zur Drehzahlsteuerung von Asynchronmaschin by Von Konrad Heintze et al., Siemens Zeitschrift 45(1971) pp. 154 to 161.
Hitachi Review vol. 31 (1982), No. 1, pp. 23-27, "GTO Inverter Controlled AC Traction Drives".
Silicon Controlled Rectifier Manual. Third Edition, 1964, p. 227, General Electric Company.

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