Method for fault correction in a power converter circuit arrange

Details Method for fault correction in a power converter circuit arrange Method for fault correction in a power converter circuit arrange

1995-08-30

1997-09-02

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Motor protective condition responsive circuits

361 31, 361 98, 363 56, H02H 504

Patent

active

056638582

ABSTRACT:
A method for fault correction in a power converter circuit arrangement. The power converter circuit arrangement has a plurality of switch modules which consist, for their part, of a parallel circuit of semiconductor chips. The semiconductor chips are interconnected via connecting wires, preferably bonding wires. If, because of a defect, a chip forms a short circuit, the connecting wires of chip are severed by specific current pulses. The advantage resides in that a short circuit of an individual chip does not put the entire circuit arrangement out of operation.

REFERENCES:
patent: 4819157 (1989-04-01), Hirose et al.
patent: 5123746 (1992-06-01), Okado
patent: 5499186 (1996-03-01), Carosa

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