Electric power conversion systems – Current conversion – Including automatic or integral protection means
Patent
1990-12-20
1993-12-28
Skudy, R.
Electric power conversion systems
Current conversion
Including automatic or integral protection means
363132, 363147, 307584, H02H 7122, H03K 17687
Patent
active
052745414
ABSTRACT:
In a module using a high-speed switching element such as an IGBT for a high-speed inverter, a matching condition is established between the switching characteristic of the IGBT and the recovery characteristic of the diode to be connected thereto in an anti-parallel fashion. As a result, the oscillating voltage appearing in the inverter circuit is suppressed to prevent erroneous operation of the inverter system.
REFERENCES:
patent: 4670833 (1987-06-01), Sachs
patent: 4685041 (1987-08-01), Bowman
patent: 4727308 (1988-02-01), Huljak
patent: 4876635 (1989-10-01), Park
Kimura Shin
Kurosu Toshiki
Matsuda Yasuo
Mori Mutsuhiro
Onda Kenichi
Berhane Adolf
Hitachi , Ltd.
Skudy R.
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