Electric power conversion systems – Current conversion – Including automatic or integral protection means
Patent
1996-06-26
1998-03-17
Sterrett, Jeffrey L.
Electric power conversion systems
Current conversion
Including automatic or integral protection means
363 54, 363 57, H02H 7122
Patent
active
057294461
ABSTRACT:
A converter circuit arrangement is specified in which actively controllable current and voltage rise limiting means are provided in parallel with a semiconductor switch. These means also take over the function of a reverse-connected parallel diode and essentially comprise a bipolar transistor which is driven by a control circuit.
REFERENCES:
patent: 4366522 (1982-12-01), Baker
patent: 4885657 (1989-12-01), Gruning
patent: 5130917 (1992-07-01), Shekhawat
Bosterling et. al. "Moderne Leistungshalbleiter In Der Stromrichtertechnik"; ETZ Bd. 114 (1993) Heft 21 pp. 1310-1319.
Japanese Abstract JP 5-304782 A; E-1513, Feb. 22, 1994; vol. 18, No. 109.
Asea Brown Boveri AG
Sterrett Jeffrey L.
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