Title:
DIGITAL PROTECTIVE RELAY FOR POWER SYSTEMS WITH OPERATOR-INITIATED RECORD KEEPING CAPABILITY
Document Type and Number:
WIPO Patent Application WO2004062055
Kind Code:
A3
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.
Inventors:
SCHWEITZER EDMUND O III
Application Number:
PCT/US2003/041502
Publication Date:
April 21, 2005
Filing Date:
December 29, 2003
Export Citation:
Assignee:
SCHWEITZER ENGINEERING LAB INC (US)
International Classes:
H02H1/00; H02H3/00; (IPC1-7): H01H47/00
Foreign References:
| US5160926A | 1992-11-03 | |||
| US6011480A | 2000-01-04 |
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