Electric power conversion systems – Phase conversion without intermediate conversion to d.c. – By dynamoelectric machine converter
Patent
1988-03-18
1989-09-12
Carroll, J.
Electric power conversion systems
Phase conversion without intermediate conversion to d.c.
By dynamoelectric machine converter
357 81, 357 82, 363141, H01L 2702, H01L 2302, H01L 2304
Patent
active
048665037
ABSTRACT:
A semiconductor stack including a semiconductor element such as a thyristor and a gate turnoff element, at least one heat sink for cooling the semiconductor element, a first conductor plate having at least one slit in order to form at least two branches in its one end portion, clamp members for tightly fastening the semiconductor element, the heat sink and the first conductor plate in series, and at least two fuse members secured in parallel between a second conductor plate and the branches of the first conductor plate, thereby removing a tensile stress given to the fuses. The slit may be formed in the second conductor plate instead of the first conductor plate.
REFERENCES:
patent: 3947868 (1976-01-01), Nitsche et al.
patent: 4460956 (1984-07-01), Hamasaki
patent: 4554574 (1988-11-01), Wright
Fukutake Tadamichi
Kushibiki Ryouichi
Carroll J.
Kabushiki Kaisha Toshiba
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