Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific quantity comparison means
Reexamination Certificate
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.
Cook Alex McFarron Manzo Cummings & Mehler, Ltd.
Jackson Stephen W.
Schweitzer Engineering Laboratories Inc.
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