Title :
Passive soft-switching snubber circuit with energy recovery
Author :
Isurin, Alexander ; Cook, Alexander
Author_Institution :
Vanner Inc., Hilliard, OH
Abstract :
This paper describes a passive snubber circuit with energy recovery to the source. This circuit uses only passive components and can work with a full-leg power conversion topology, i.e., using standard IGBT modules. The circuit provides soft-switching, that is ZVS turn off, reduces slew rate, and increases efficiency around 1% under full load conditions (tested on a DC-AC inverter at 12 kW load and 120 VAC output). The authors suggest that this passive snubber circuit can work with many types of converters.
Keywords :
DC-AC power convertors; insulated gate bipolar transistors; invertors; network topology; passive networks; snubbers; zero voltage switching; DC-AC inverter; IGBT modules; ZVS; energy recovery; full-leg power conversion topology; passive soft-switching snubber circuit; power 12 kW; slew rate reduction; soft-switching circuits; Capacitors; Circuit testing; Costs; Inductance; Insulated gate bipolar transistors; Power conversion; Pulse width modulation inverters; Snubbers; Switches; Zero voltage switching;
Conference_Titel :
Applied Power Electronics Conference and Exposition, 2008. APEC 2008. Twenty-Third Annual IEEE
Conference_Location :
Austin, TX
Print_ISBN :
978-1-4244-1873-2
Electronic_ISBN :
1048-2334
DOI :
10.1109/APEC.2008.4522762
