Digital protective relay for power systems with...

Details Digital protective relay for power systems with... Digital protective relay for power systems with...

2005-07-19

2005-07-19

Jackson, Stephen W. (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

C361S064000

Reexamination Certificate

active

06920028

ABSTRACT:
A digital protective relay for power systems includes a memory location for storing information entered by an operator concerning the operation of the relay. Conventional reports of the relay will include a reference to such operator-entered information. This information will include particular actions taken by the operator relative to the relay, as well as notes made by the operator on particular actions and/or entry of and changes to the relay settings. The entered information can be conveniently retrieved by the operator.

REFERENCES:
patent: 5160926 (1992-11-01), Schweitzer, III
patent: 6011480 (2000-01-01), Schweitzer et al.

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