Control arrangement for power electronic system

Details Control arrangement for power electronic system Control arrangement for power electronic system

2005-07-26

2005-07-26

Callahan, Timothy P. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S080000, C327S081000

Reexamination Certificate

active

06922087

ABSTRACT:
A control arrangement and method is provided that monitors the condition and operating parameters of a power electronic system having power electronic devices and responds to various detected abnormalities via appropriate action to optimize operation of the power electronic system. The arrangement increases reliability of operation and optimizes the continuous supply of power to a load For example, the arrangement responds to an overheated or shorted power electronic switch by switching to an alternate power electronic switch, the overheated power electronic switch being made available as a temporary alternate path. The arrangement also includes the capability for diagnosing the power electronic switches by detecting whether or not any switch is shorted in the series-connected stack of switch stages.

REFERENCES:
patent: 5237194 (1993-08-01), Takahashi
patent: 5396117 (1995-03-01), Housen et al.
patent: 5602500 (1997-02-01), Fournel
patent: 5767545 (1998-06-01), Takahashi
patent: 5796278 (1998-08-01), Osborn et al.
patent: 6057728 (2000-05-01), Igarashi

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