Title :
Current stiff converter topologies with resonant snubbers
Author :
Filho, Braz J Cardoso ; Bernet, Steffen ; Lipo, Thomas A.
Author_Institution :
Wisconsin Univ., Madison, WI, USA
Abstract :
In this paper, a study of resonant snubbers with auxiliary switches is presented as applied to three-phase current stiff power converter (CSC) topologies targeted for electric drives applications. Several realizations of CSCs with resonant snubbers are identified and characterized from a generalized three-phase commutation cell. The modulation characteristics associated with the operation of the CSCs with resonant snubbers are analyzed using the space vector approach. Simulation results are presented to illustrate the key aspects in this discussion. Experimental results are included for selected cases
Keywords :
PWM power convertors; bipolar transistor switches; commutation; insulated gate bipolar transistors; power bipolar transistors; power semiconductor switches; resonant power convertors; snubbers; switching circuits; auxiliary switches; electric drive applications; modulation characteristics; resonant snubbers; space vector approach; three-phase commutation cell; three-phase current stiff power converter; Capacitors; Functional analysis; Resonance; Snubbers; Switches; Switching circuits; Switching converters; Switching loss; Topology; Voltage;
Conference_Titel :
Industry Applications Conference, 1997. Thirty-Second IAS Annual Meeting, IAS '97., Conference Record of the 1997 IEEE
Conference_Location :
New Orleans, LA
Print_ISBN :
0-7803-4067-1
DOI :
10.1109/IAS.1997.629029
