Configuration and method for protecting converter means

Details Configuration and method for protecting converter means Configuration and method for protecting converter means

2007-01-16

2007-01-16

Sircus, Brian (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Generator protective circuits

C361S018000, C361S091800

Reexamination Certificate

active

10514163

ABSTRACT:
A protection configuration for converter means which comprise a plurality of controllable switches, the protection configuration comprising a protection circuit coupled to the alternating voltage side of the converter means, which protection circuit comprises at least one protective switch configured to short-circuit the alternating voltage side of the converter means, wherein the protection configuration, in predetermined failure situations, is configured to close the protective switch and thus to short-circuit the alternating voltage side of the converter means. After the failure situation has cleared up, the protection configuration is configured to short-circuit the alternating voltage side of the converter means by means of the controllable switches to enhance commutation of the protective switch.

REFERENCES:
patent: 5687049 (1997-11-01), Mangtani
patent: 5734256 (1998-03-01), Larsen et al.
patent: 2002/0079706 (2002-06-01), Rebsdorf et al.

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