Title :
Novel soft-switched GTO-inverter circuits
Author :
Bornhardt, Klaus E.
Author_Institution :
Power Electron. & Drives, Tech. Hochschule Darmstadt, Germany
Abstract :
Two three-phase soft-switched gate-turn-off (GTO) inverter circuits are presented and analyzed by simulation and experimental measurements. Soft switching (zero voltage zero current switching) is achieved with one commutation-aid circuit for the whole inverter bridge, placed at the DC side, which replaces the usual snubber circuits. Because of the low switching losses and dwelling times, 20 kHz operation has been achieved.<>
Keywords :
bridge circuits; commutation; invertors; switching; thyristor applications; 20 kHz; GTO; bridge; commutation; inverter; simulation; soft switching; thyristor applications; zero current; zero voltage; Commutation; Pulse width modulation inverters; Resonance; Resonant inverters; Snubbers; Switching circuits; Switching frequency; Switching loss; Thyristors; Voltage;
Conference_Titel :
Industry Applications Society Annual Meeting, 1990., Conference Record of the 1990 IEEE
Conference_Location :
Seattle, WA, USA
Print_ISBN :
0-87942-553-9
DOI :
10.1109/IAS.1990.152340
